path: root/templates/man5/nfs.5.pot

# SOME DESCRIPTIVE TITLE
# Copyright (C) YEAR Free Software Foundation, Inc.
# This file is distributed under the same license as the PACKAGE package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"POT-Creation-Date: 2024-02-15 18:05+0100\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
"Language: \n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"

#. type: TH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "NFS"
msgstr ""

#. type: TH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "9 October 2012"
msgstr ""

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "NAME"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "nfs - fstab format and options for the B<nfs> file systems"
msgstr ""

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "SYNOPSIS"
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "I</etc/fstab>"
msgstr ""

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "DESCRIPTION"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"NFS is an Internet Standard protocol created by Sun Microsystems in 1984. "
"NFS was developed to allow file sharing between systems residing on a local "
"area network.  Depending on kernel configuration, the Linux NFS client may "
"support NFS versions 3, 4.0, 4.1, or 4.2."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<mount>(8)  command attaches a file system to the system's name space "
"hierarchy at a given mount point.  The I</etc/fstab> file describes how "
"B<mount>(8)  should assemble a system's file name hierarchy from various "
"independent file systems (including file systems exported by NFS servers).  "
"Each line in the I</etc/fstab> file describes a single file system, its "
"mount point, and a set of default mount options for that mount point."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"For NFS file system mounts, a line in the I</etc/fstab> file specifies the "
"server name, the path name of the exported server directory to mount, the "
"local directory that is the mount point, the type of file system that is "
"being mounted, and a list of mount options that control the way the "
"filesystem is mounted and how the NFS client behaves when accessing files on "
"this mount point.  The fifth and sixth fields on each line are not used by "
"NFS, thus conventionally each contain the digit zero. For example:"
msgstr ""

#. type: ta
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "8n +14n +14n +9n +20n"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "\tserver:path\t/mountpoint\tfstype\toption,option,...\t0 0\n"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The server's hostname and export pathname are separated by a colon, while "
"the mount options are separated by commas. The remaining fields are "
"separated by blanks or tabs."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The server's hostname can be an unqualified hostname, a fully qualified "
"domain name, a dotted quad IPv4 address, or an IPv6 address enclosed in "
"square brackets.  Link-local and site-local IPv6 addresses must be "
"accompanied by an interface identifier.  See B<ipv6>(7)  for details on "
"specifying raw IPv6 addresses."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<fstype> field contains \"nfs\".  Use of the \"nfs4\" fstype in I</etc/"
"fstab> is deprecated."
msgstr ""

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "MOUNT OPTIONS"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Refer to B<mount>(8)  for a description of generic mount options available "
"for all file systems. If you do not need to specify any mount options, use "
"the generic option B<defaults> in I</etc/fstab>."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Options supported by all versions"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "These options are valid to use with any NFS version."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<nfsvers=>I<n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"The NFS protocol version number used to contact the server's NFS service.  "
"If the server does not support the requested version, the mount request "
"fails.  If this option is not specified, the client tries version 4.2 first, "
"then negotiates down until it finds a version supported by the server."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<vers=>I<n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This option is an alternative to the B<nfsvers> option.  It is included for "
"compatibility with other operating systems"
msgstr ""

#. type: TP
#: archlinux debian-unstable fedora-40 fedora-rawhide
#, no-wrap
msgid "B<soft> / B<softerr> / B<hard>"
msgstr ""

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide
msgid ""
"Determines the recovery behavior of the NFS client after an NFS request "
"times out.  If no option is specified (or if the B<hard> option is "
"specified), NFS requests are retried indefinitely.  If either the B<soft> or "
"B<softerr> option is specified, then the NFS client fails an NFS request "
"after B<retrans> retransmissions have been sent, causing the NFS client to "
"return either the error B<EIO> (for the B<soft> option) or B<ETIMEDOUT> (for "
"the B<softerr> option) to the calling application."
msgstr ""

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide
msgid ""
"I<NB:> A so-called \"soft\" timeout can cause silent data corruption in "
"certain cases. As such, use the B<soft> or B<softerr> option only when "
"client responsiveness is more important than data integrity.  Using NFS over "
"TCP or increasing the value of the B<retrans> option may mitigate some of "
"the risks of using the B<soft> or B<softerr> option."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
#, no-wrap
msgid "B<softreval> / B<nosoftreval>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"In cases where the NFS server is down, it may be useful to allow the NFS "
"client to continue to serve up paths and attributes from cache after "
"B<retrans> attempts to revalidate that cache have timed out.  This may, for "
"instance, be helpful when trying to unmount a filesystem tree from a server "
"that is permanently down."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"It is possible to combine B<softreval> with the B<soft> mount option, in "
"which case operations that cannot be served up from cache will time out and "
"return an error after B<retrans> attempts. The combination with the default "
"B<hard> mount option implies those uncached operations will continue to "
"retry until a response is received from the server."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"Note: the default mount option is B<nosoftreval> which disallows fallback to "
"cache when revalidation fails, and instead follows the behavior dictated by "
"the B<hard> or B<soft> mount option."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<intr> / B<nointr>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This option is provided for backward compatibility.  It is ignored after "
"kernel 2.6.25."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<timeo=>I<n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The time in deciseconds (tenths of a second) the NFS client waits for a "
"response before it retries an NFS request."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"For NFS over TCP the default B<timeo> value is 600 (60 seconds).  The NFS "
"client performs linear backoff: After each retransmission the timeout is "
"increased by B<timeo> up to the maximum of 600 seconds."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"However, for NFS over UDP, the client uses an adaptive algorithm to estimate "
"an appropriate timeout value for frequently used request types (such as READ "
"and WRITE requests), but uses the B<timeo> setting for infrequently used "
"request types (such as FSINFO requests).  If the B<timeo> option is not "
"specified, infrequently used request types are retried after 1.1 seconds.  "
"After each retransmission, the NFS client doubles the timeout for that "
"request, up to a maximum timeout length of 60 seconds."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<retrans=>I<n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The number of times the NFS client retries a request before it attempts "
"further recovery action. If the B<retrans> option is not specified, the NFS "
"client tries each UDP request three times and each TCP request twice."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The NFS client generates a \"server not responding\" message after "
"B<retrans> retries, then attempts further recovery (depending on whether the "
"B<hard> mount option is in effect)."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<rsize=>I<n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The maximum number of bytes in each network READ request that the NFS client "
"can receive when reading data from a file on an NFS server.  The actual data "
"payload size of each NFS READ request is equal to or smaller than the "
"B<rsize> setting. The largest read payload supported by the Linux NFS client "
"is 1,048,576 bytes (one megabyte)."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<rsize> value is a positive integral multiple of 1024.  Specified "
"B<rsize> values lower than 1024 are replaced with 4096; values larger than "
"1048576 are replaced with 1048576. If a specified value is within the "
"supported range but not a multiple of 1024, it is rounded down to the "
"nearest multiple of 1024."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If an B<rsize> value is not specified, or if the specified B<rsize> value is "
"larger than the maximum that either client or server can support, the client "
"and server negotiate the largest B<rsize> value that they can both support."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<rsize> mount option as specified on the B<mount>(8)  command line "
"appears in the I</etc/mtab> file. However, the effective B<rsize> value "
"negotiated by the client and server is reported in the I</proc/mounts> file."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<wsize=>I<n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The maximum number of bytes per network WRITE request that the NFS client "
"can send when writing data to a file on an NFS server. The actual data "
"payload size of each NFS WRITE request is equal to or smaller than the "
"B<wsize> setting. The largest write payload supported by the Linux NFS "
"client is 1,048,576 bytes (one megabyte)."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Similar to B<rsize> , the B<wsize> value is a positive integral multiple of "
"1024.  Specified B<wsize> values lower than 1024 are replaced with 4096; "
"values larger than 1048576 are replaced with 1048576. If a specified value "
"is within the supported range but not a multiple of 1024, it is rounded down "
"to the nearest multiple of 1024."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If a B<wsize> value is not specified, or if the specified B<wsize> value is "
"larger than the maximum that either client or server can support, the client "
"and server negotiate the largest B<wsize> value that they can both support."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<wsize> mount option as specified on the B<mount>(8)  command line "
"appears in the I</etc/mtab> file. However, the effective B<wsize> value "
"negotiated by the client and server is reported in the I</proc/mounts> file."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<ac> / B<noac>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Selects whether the client may cache file attributes. If neither option is "
"specified (or if B<ac> is specified), the client caches file attributes."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"To improve performance, NFS clients cache file attributes. Every few "
"seconds, an NFS client checks the server's version of each file's attributes "
"for updates.  Changes that occur on the server in those small intervals "
"remain undetected until the client checks the server again. The B<noac> "
"option prevents clients from caching file attributes so that applications "
"can more quickly detect file changes on the server."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In addition to preventing the client from caching file attributes, the "
"B<noac> option forces application writes to become synchronous so that local "
"changes to a file become visible on the server immediately.  That way, other "
"clients can quickly detect recent writes when they check the file's "
"attributes."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Using the B<noac> option provides greater cache coherence among NFS clients "
"accessing the same files, but it extracts a significant performance "
"penalty.  As such, judicious use of file locking is encouraged instead.  The "
"DATA AND METADATA COHERENCE section contains a detailed discussion of these "
"trade-offs."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<acregmin=>I<n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The minimum time (in seconds) that the NFS client caches attributes of a "
"regular file before it requests fresh attribute information from a server.  "
"If this option is not specified, the NFS client uses a 3-second minimum.  "
"See the DATA AND METADATA COHERENCE section for a full discussion of "
"attribute caching."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<acregmax=>I<n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The maximum time (in seconds) that the NFS client caches attributes of a "
"regular file before it requests fresh attribute information from a server.  "
"If this option is not specified, the NFS client uses a 60-second maximum.  "
"See the DATA AND METADATA COHERENCE section for a full discussion of "
"attribute caching."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<acdirmin=>I<n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The minimum time (in seconds) that the NFS client caches attributes of a "
"directory before it requests fresh attribute information from a server.  If "
"this option is not specified, the NFS client uses a 30-second minimum.  See "
"the DATA AND METADATA COHERENCE section for a full discussion of attribute "
"caching."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<acdirmax=>I<n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The maximum time (in seconds) that the NFS client caches attributes of a "
"directory before it requests fresh attribute information from a server.  If "
"this option is not specified, the NFS client uses a 60-second maximum.  See "
"the DATA AND METADATA COHERENCE section for a full discussion of attribute "
"caching."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<actimeo=>I<n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Using B<actimeo> sets all of B<acregmin>, B<acregmax>, B<acdirmin>, and "
"B<acdirmax> to the same value.  If this option is not specified, the NFS "
"client uses the defaults for each of these options listed above."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<bg> / B<fg>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Determines how the B<mount>(8)  command behaves if an attempt to mount an "
"export fails.  The B<fg> option causes B<mount>(8)  to exit with an error "
"status if any part of the mount request times out or fails outright.  This "
"is called a \"foreground\" mount, and is the default behavior if neither the "
"B<fg> nor B<bg> mount option is specified."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the B<bg> option is specified, a timeout or failure causes the "
"B<mount>(8)  command to fork a child which continues to attempt to mount the "
"export.  The parent immediately returns with a zero exit code.  This is "
"known as a \"background\" mount."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the local mount point directory is missing, the B<mount>(8)  command acts "
"as if the mount request timed out.  This permits nested NFS mounts specified "
"in I</etc/fstab> to proceed in any order during system initialization, even "
"if some NFS servers are not yet available.  Alternatively these issues can "
"be addressed using an automounter (refer to B<automount>(8)  for details)."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<nconnect=>n"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"When using a connection oriented protocol such as TCP, it may sometimes be "
"advantageous to set up multiple connections between the client and server. "
"For instance, if your clients and/or servers are equipped with multiple "
"network interface cards (NICs), using multiple connections to spread the "
"load may improve overall performance.  In such cases, the B<nconnect> option "
"allows the user to specify the number of connections that should be "
"established between the client and server up to a limit of 16."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Note that the B<nconnect> option may also be used by some pNFS drivers to "
"decide how many connections to set up to the data servers."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<rdirplus> / B<nordirplus>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Selects whether to use NFS v3 or v4 READDIRPLUS requests.  If this option is "
"not specified, the NFS client uses READDIRPLUS requests on NFS v3 or v4 "
"mounts to read small directories.  Some applications perform better if the "
"client uses only READDIR requests for all directories."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<retry=>I<n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The number of minutes that the B<mount>(8)  command retries an NFS mount "
"operation in the foreground or background before giving up.  If this option "
"is not specified, the default value for foreground mounts is 2 minutes, and "
"the default value for background mounts is 10000 minutes (80 minutes shy of "
"one week).  If a value of zero is specified, the B<mount>(8)  command exits "
"immediately after the first failure."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Note that this only affects how many retries are made and doesn't affect the "
"delay caused by each retry.  For UDP each retry takes the time determined by "
"the B<timeo> and B<retrans> options, which by default will be about 7 "
"seconds.  For TCP the default is 3 minutes, but system TCP connection "
"timeouts will sometimes limit the timeout of each retransmission to around 2 "
"minutes."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<sec=>I<flavors>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A colon-separated list of one or more security flavors to use for accessing "
"files on the mounted export. If the server does not support any of these "
"flavors, the mount operation fails.  If B<sec=> is not specified, the client "
"attempts to find a security flavor that both the client and the server "
"supports.  Valid I<flavors> are B<none>, B<sys>, B<krb5>, B<krb5i>, and "
"B<krb5p>.  Refer to the SECURITY CONSIDERATIONS section for details."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<sharecache> / B<nosharecache>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Determines how the client's data cache and attribute cache are shared when "
"mounting the same export more than once concurrently.  Using the same cache "
"reduces memory requirements on the client and presents identical file "
"contents to applications when the same remote file is accessed via different "
"mount points."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If neither option is specified, or if the B<sharecache> option is specified, "
"then a single cache is used for all mount points that access the same "
"export.  If the B<nosharecache> option is specified, then that mount point "
"gets a unique cache.  Note that when data and attribute caches are shared, "
"the mount options from the first mount point take effect for subsequent "
"concurrent mounts of the same export."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"As of kernel 2.6.18, the behavior specified by B<nosharecache> is legacy "
"caching behavior. This is considered a data risk since multiple cached "
"copies of the same file on the same client can become out of sync following "
"a local update of one of the copies."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<resvport> / B<noresvport>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Specifies whether the NFS client should use a privileged source port when "
"communicating with an NFS server for this mount point.  If this option is "
"not specified, or the B<resvport> option is specified, the NFS client uses a "
"privileged source port.  If the B<noresvport> option is specified, the NFS "
"client uses a non-privileged source port.  This option is supported in "
"kernels 2.6.28 and later."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Using non-privileged source ports helps increase the maximum number of NFS "
"mount points allowed on a client, but NFS servers must be configured to "
"allow clients to connect via non-privileged source ports."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Refer to the SECURITY CONSIDERATIONS section for important details."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<lookupcache=>I<mode>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Specifies how the kernel manages its cache of directory entries for a given "
"mount point.  I<mode> can be one of B<all>, B<none>, B<pos>, or "
"B<positive>.  This option is supported in kernels 2.6.28 and later."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The Linux NFS client caches the result of all NFS LOOKUP requests.  If the "
"requested directory entry exists on the server, the result is referred to as "
"I<positive>.  If the requested directory entry does not exist on the server, "
"the result is referred to as I<negative>."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If this option is not specified, or if B<all> is specified, the client "
"assumes both types of directory cache entries are valid until their parent "
"directory's cached attributes expire."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If B<pos> or B<positive> is specified, the client assumes positive entries "
"are valid until their parent directory's cached attributes expire, but "
"always revalidates negative entires before an application can use them."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If B<none> is specified, the client revalidates both types of directory "
"cache entries before an application can use them.  This permits quick "
"detection of files that were created or removed by other clients, but can "
"impact application and server performance."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The DATA AND METADATA COHERENCE section contains a detailed discussion of "
"these trade-offs."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<fsc> / B<nofsc>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"Enable/Disables the cache of (read-only) data pages to the local disk using "
"the FS-Cache facility. See cachefilesd(8)  and E<lt>kernel_sourceE<gt>/"
"Documentation/filesystems/caching for detail on how to configure the FS-"
"Cache facility.  Default value is nofsc."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<sloppy>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<sloppy> option is an alternative to specifying B<mount.nfs> -s "
"B<option.>"
msgstr ""

#. type: TP
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid "B<xprtsec=>I<policy>"
msgstr ""

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
msgid ""
"Specifies the use of transport layer security to protect NFS network traffic "
"on behalf of this mount point.  I<policy> can be one of B<none>, B<tls>, or "
"B<mtls>."
msgstr ""

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide
msgid ""
"If B<none> is specified, transport layer security is forced off, even if the "
"NFS server supports transport layer security."
msgstr ""

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide
msgid ""
"If B<tls> is specified, the client uses RPC-with-TLS to provide in-transit "
"confidentiality."
msgstr ""

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide
msgid ""
"If B<mtls> is specified, the client uses RPC-with-TLS to authenticate itself "
"and to provide in-transit confidentiality."
msgstr ""

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide
msgid ""
"If either B<tls> or B<mtls> is specified and the server does not support RPC-"
"with-TLS or peer authentication fails, the mount attempt fails."
msgstr ""

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide
msgid ""
"If the B<xprtsec=> option is not specified, the default behavior depends on "
"the kernel version, but is usually equivalent to B<xprtsec=none>."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Options for NFS versions 2 and 3 only"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Use these options, along with the options in the above subsection, for NFS "
"versions 2 and 3 only."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<proto=>I<netid>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"The I<netid> determines the transport that is used to communicate with the "
"NFS server.  Available options are B<udp>, B<udp6>, B<tcp>, B<tcp6>, "
"B<rdma>, and B<rdma6>.  Those which end in B<6> use IPv6 addresses and are "
"only available if support for TI-RPC is built in. Others use IPv4 addresses."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Each transport protocol uses different default B<retrans> and B<timeo> "
"settings.  Refer to the description of these two mount options for details."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In addition to controlling how the NFS client transmits requests to the "
"server, this mount option also controls how the B<mount>(8)  command "
"communicates with the server's rpcbind and mountd services.  Specifying a "
"netid that uses TCP forces all traffic from the B<mount>(8)  command and the "
"NFS client to use TCP.  Specifying a netid that uses UDP forces all traffic "
"types to use UDP."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "B<Before using NFS over UDP, refer to the TRANSPORT METHODS section.>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the B<proto> mount option is not specified, the B<mount>(8)  command "
"discovers which protocols the server supports and chooses an appropriate "
"transport for each service.  Refer to the TRANSPORT METHODS section for more "
"details."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<udp>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<udp> option is an alternative to specifying B<proto=udp.> It is "
"included for compatibility with other operating systems."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<tcp>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<tcp> option is an alternative to specifying B<proto=tcp.> It is "
"included for compatibility with other operating systems."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<rdma>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The B<rdma> option is an alternative to specifying B<proto=rdma.>"
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<port=>I<n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The numeric value of the server's NFS service port.  If the server's NFS "
"service is not available on the specified port, the mount request fails."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If this option is not specified, or if the specified port value is 0, then "
"the NFS client uses the NFS service port number advertised by the server's "
"rpcbind service.  The mount request fails if the server's rpcbind service is "
"not available, the server's NFS service is not registered with its rpcbind "
"service, or the server's NFS service is not available on the advertised port."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<mountport=>I<n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The numeric value of the server's mountd port.  If the server's mountd "
"service is not available on the specified port, the mount request fails."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If this option is not specified, or if the specified port value is 0, then "
"the B<mount>(8)  command uses the mountd service port number advertised by "
"the server's rpcbind service.  The mount request fails if the server's "
"rpcbind service is not available, the server's mountd service is not "
"registered with its rpcbind service, or the server's mountd service is not "
"available on the advertised port."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This option can be used when mounting an NFS server through a firewall that "
"blocks the rpcbind protocol."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<mountproto=>I<netid>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The transport the NFS client uses to transmit requests to the NFS server's "
"mountd service when performing this mount request, and when later unmounting "
"this mount point."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<netid> may be one of B<udp>, and B<tcp> which use IPv4 address or, if TI-"
"RPC is built into the B<mount.nfs> command, B<udp6>, and B<tcp6> which use "
"IPv6 addresses."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This option can be used when mounting an NFS server through a firewall that "
"blocks a particular transport.  When used in combination with the B<proto> "
"option, different transports for mountd requests and NFS requests can be "
"specified.  If the server's mountd service is not available via the "
"specified transport, the mount request fails."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Refer to the TRANSPORT METHODS section for more on how the B<mountproto> "
"mount option interacts with the B<proto> mount option."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<mounthost=>I<name>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The hostname of the host running mountd.  If this option is not specified, "
"the B<mount>(8)  command assumes that the mountd service runs on the same "
"host as the NFS service."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<mountvers=>I<n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The RPC version number used to contact the server's mountd.  If this option "
"is not specified, the client uses a version number appropriate to the "
"requested NFS version.  This option is useful when multiple NFS services are "
"running on the same remote server host."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<namlen=>I<n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The maximum length of a pathname component on this mount.  If this option is "
"not specified, the maximum length is negotiated with the server. In most "
"cases, this maximum length is 255 characters."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Some early versions of NFS did not support this negotiation.  Using this "
"option ensures that B<pathconf>(3)  reports the proper maximum component "
"length to applications in such cases."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<lock> / B<nolock>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Selects whether to use the NLM sideband protocol to lock files on the "
"server.  If neither option is specified (or if B<lock> is specified), NLM "
"locking is used for this mount point.  When using the B<nolock> option, "
"applications can lock files, but such locks provide exclusion only against "
"other applications running on the same client.  Remote applications are not "
"affected by these locks."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"NLM locking must be disabled with the B<nolock> option when using NFS to "
"mount I</var> because I</var> contains files used by the NLM implementation "
"on Linux.  Using the B<nolock> option is also required when mounting exports "
"on NFS servers that do not support the NLM protocol."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<cto> / B<nocto>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Selects whether to use close-to-open cache coherence semantics.  If neither "
"option is specified (or if B<cto> is specified), the client uses close-to-"
"open cache coherence semantics. If the B<nocto> option is specified, the "
"client uses a non-standard heuristic to determine when files on the server "
"have changed."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Using the B<nocto> option may improve performance for read-only mounts, but "
"should be used only if the data on the server changes only occasionally.  "
"The DATA AND METADATA COHERENCE section discusses the behavior of this "
"option in more detail."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<acl> / B<noacl>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Selects whether to use the NFSACL sideband protocol on this mount point.  "
"The NFSACL sideband protocol is a proprietary protocol implemented in "
"Solaris that manages Access Control Lists. NFSACL was never made a standard "
"part of the NFS protocol specification."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If neither B<acl> nor B<noacl> option is specified, the NFS client "
"negotiates with the server to see if the NFSACL protocol is supported, and "
"uses it if the server supports it.  Disabling the NFSACL sideband protocol "
"may be necessary if the negotiation causes problems on the client or "
"server.  Refer to the SECURITY CONSIDERATIONS section for more details."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<local_lock=>mechanism"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Specifies whether to use local locking for any or both of the flock and the "
"POSIX locking mechanisms.  I<mechanism> can be one of B<all>, B<flock>, "
"B<posix>, or B<none>.  This option is supported in kernels 2.6.37 and later."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The Linux NFS client provides a way to make locks local. This means, the "
"applications can lock files, but such locks provide exclusion only against "
"other applications running on the same client. Remote applications are not "
"affected by these locks."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If this option is not specified, or if B<none> is specified, the client "
"assumes that the locks are not local."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If B<all> is specified, the client assumes that both flock and POSIX locks "
"are local."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If B<flock> is specified, the client assumes that only flock locks are local "
"and uses NLM sideband protocol to lock files when POSIX locks are used."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If B<posix> is specified, the client assumes that POSIX locks are local and "
"uses NLM sideband protocol to lock files when flock locks are used."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"To support legacy flock behavior similar to that of NFS clients E<lt> "
"2.6.12, use 'local_lock=flock'. This option is required when exporting NFS "
"mounts via Samba as Samba maps Windows share mode locks as flock. Since NFS "
"clients E<gt> 2.6.12 implement flock by emulating POSIX locks, this will "
"result in conflicting locks."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"NOTE: When used together, the 'local_lock' mount option will be overridden "
"by 'nolock'/'lock' mount option."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Options for NFS version 4 only"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"Use these options, along with the options in the first subsection above, for "
"NFS version 4.0 and newer."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"The I<netid> determines the transport that is used to communicate with the "
"NFS server.  Supported options are B<tcp>, B<tcp6>, B<rdma>, and B<rdma6>.  "
"B<tcp6> use IPv6 addresses and is only available if support for TI-RPC is "
"built in. Both others use IPv4 addresses."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"All NFS version 4 servers are required to support TCP, so if this mount "
"option is not specified, the NFS version 4 client uses the TCP protocol.  "
"Refer to the TRANSPORT METHODS section for more details."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
#, no-wrap
msgid "B<minorversion=>I<n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"Specifies the protocol minor version number.  NFSv4 introduces \"minor "
"versioning,\" where NFS protocol enhancements can be introduced without "
"bumping the NFS protocol version number.  Before kernel 2.6.38, the minor "
"version is always zero, and this option is not recognized.  After this "
"kernel, specifying \"minorversion=1\" enables a number of advanced features, "
"such as NFSv4 sessions."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"Recent kernels allow the minor version to be specified using the B<vers=> "
"option.  For example, specifying B<vers=4.1> is the same as specifying "
"B<vers=4,minorversion=1>."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If this mount option is not specified, the NFS client uses the standard NFS "
"port number of 2049 without first checking the server's rpcbind service.  "
"This allows an NFS version 4 client to contact an NFS version 4 server "
"through a firewall that may block rpcbind requests."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the specified port value is 0, then the NFS client uses the NFS service "
"port number advertised by the server's rpcbind service.  The mount request "
"fails if the server's rpcbind service is not available, the server's NFS "
"service is not registered with its rpcbind service, or the server's NFS "
"service is not available on the advertised port."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Selects whether to use close-to-open cache coherence semantics for NFS "
"directories on this mount point.  If neither B<cto> nor B<nocto> is "
"specified, the default is to use close-to-open cache coherence semantics for "
"directories."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"File data caching behavior is not affected by this option.  The DATA AND "
"METADATA COHERENCE section discusses the behavior of this option in more "
"detail."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<clientaddr=>I<n.n.n.n>"
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<clientaddr=>I<n:n:>B<...>I<:n>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"Specifies a single IPv4 address (in dotted-quad form), or a non-link-local "
"IPv6 address, that the NFS client advertises to allow servers to perform NFS "
"version 4.0 callback requests against files on this mount point. If the "
"server is unable to establish callback connections to clients, performance "
"may degrade, or accesses to files may temporarily hang.  Can specify a value "
"of IPv4_ANY (0.0.0.0) or equivalent IPv6 any address which will signal to "
"the NFS server that this NFS client does not want delegations."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If this option is not specified, the B<mount>(8)  command attempts to "
"discover an appropriate callback address automatically.  The automatic "
"discovery process is not perfect, however.  In the presence of multiple "
"client network interfaces, special routing policies, or atypical network "
"topologies, the exact address to use for callbacks may be nontrivial to "
"determine."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"NFS protocol versions 4.1 and 4.2 use the client-established TCP connection "
"for callback requests, so do not require the server to connect to the "
"client.  This option is therefore only affect NFS version 4.0 mounts."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<migration> / B<nomigration>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Selects whether the client uses an identification string that is compatible "
"with NFSv4 Transparent State Migration (TSM).  If the mounted server "
"supports NFSv4 migration with TSM, specify the B<migration> option."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
#: opensuse-tumbleweed
msgid ""
"Some server features misbehave in the face of a migration-compatible "
"identification string.  The B<nomigration> option retains the use of a "
"traditional client indentification string which is compatible with legacy "
"NFS servers.  This is also the behavior if neither option is specified.  A "
"client's open and lock state cannot be migrated transparently when it "
"identifies itself via a traditional identification string."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This mount option has no effect with NFSv4 minor versions newer than zero, "
"which always use TSM-compatible client identification strings."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
#, no-wrap
msgid "B<max_connect=>n"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"While B<nconnect> option sets a limit on the number of connections that can "
"be established to a given server IP, B<max_connect> option allows the user "
"to specify maximum number of connections to different server IPs that belong "
"to the same NFSv4.1+ server (session trunkable connections) up to a limit of "
"16. When client discovers that it established a client ID to an already "
"existing server, instead of dropping the newly created network transport, "
"the client will add this new connection to the list of available transports "
"for that RPC client."
msgstr ""

#. type: TP
#: archlinux debian-unstable fedora-40 fedora-rawhide
#, no-wrap
msgid "B<trunkdiscovery> / B<notrunkdiscovery>"
msgstr ""

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide
msgid ""
"When the client discovers a new filesystem on a NFSv4.1+ server, the "
"B<trunkdiscovery> mount option will cause it to send a GETATTR for the "
"fs_locations attribute.  If is receives a non-zero length reply, it will "
"iterate through the response, and for each server location it will establish "
"a connection, send an EXCHANGE_ID, and test for session trunking.  If the "
"trunking test succeeds, the connection will be added to the existing set of "
"transports for the server, subject to the limit specified by the "
"B<max_connect> option.  The default is B<notrunkdiscovery>."
msgstr ""

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "nfs4 FILE SYSTEM TYPE"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<nfs4> file system type is an old syntax for specifying NFSv4 usage. It "
"can still be used with all NFSv4-specific and common options, excepted the "
"B<nfsvers> mount option."
msgstr ""

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "MOUNT CONFIGURATION FILE"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the mount command is configured to do so, all of the mount options "
"described in the previous section can also be configured in the I</etc/"
"nfsmount.conf> file. See B<nfsmount.conf(5)> for details."
msgstr ""

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "EXAMPLES"
msgstr ""

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide
msgid ""
"To mount using NFS version 3, use the B<nfs> file system type and specify "
"the B<nfsvers=3> mount option.  To mount using NFS version 4, use either the "
"B<nfs> file system type, with the B<nfsvers=4> mount option, or the B<nfs4> "
"file system type."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The following example from an I</etc/fstab> file causes the mount command to "
"negotiate reasonable defaults for NFS behavior."
msgstr ""

#. type: ta
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "8n +16n +6n +6n +30n"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "\tserver:/export\t/mnt\tnfs\tdefaults\t0 0\n"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This example shows how to mount using NFS version 4 over TCP with Kerberos 5 "
"mutual authentication."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "\tserver:/export\t/mnt\tnfs4\tsec=krb5\t0 0\n"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This example shows how to mount using NFS version 4 over TCP with Kerberos 5 "
"privacy or data integrity mode."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "\tserver:/export\t/mnt\tnfs4\tsec=krb5p:krb5i\t0 0\n"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "This example can be used to mount /usr over NFS."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "\tserver:/export\t/usr\tnfs\tro,nolock,nocto,actimeo=3600\t0 0\n"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This example shows how to mount an NFS server using a raw IPv6 link-local "
"address."
msgstr ""

#. type: ta
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "8n +40n +5n +4n +9n"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "\t[fe80::215:c5ff:fb3e:e2b1%eth0]:/export\t/mnt\tnfs\tdefaults\t0 0\n"
msgstr ""

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "TRANSPORT METHODS"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"NFS clients send requests to NFS servers via Remote Procedure Calls, or "
"I<RPCs>.  The RPC client discovers remote service endpoints automatically, "
"handles per-request authentication, adjusts request parameters for different "
"byte endianness on client and server, and retransmits requests that may have "
"been lost by the network or server.  RPC requests and replies flow over a "
"network transport."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In most cases, the B<mount>(8)  command, NFS client, and NFS server can "
"automatically negotiate proper transport and data transfer size settings for "
"a mount point.  In some cases, however, it pays to specify these settings "
"explicitly using mount options."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Traditionally, NFS clients used the UDP transport exclusively for "
"transmitting requests to servers.  Though its implementation is simple, NFS "
"over UDP has many limitations that prevent smooth operation and good "
"performance in some common deployment environments.  Even an insignificant "
"packet loss rate results in the loss of whole NFS requests; as such, "
"retransmit timeouts are usually in the subsecond range to allow clients to "
"recover quickly from dropped requests, but this can result in extraneous "
"network traffic and server load."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"However, UDP can be quite effective in specialized settings where the "
"networks MTU is large relative to NFSs data transfer size (such as network "
"environments that enable jumbo Ethernet frames).  In such environments, "
"trimming the B<rsize> and B<wsize> settings so that each NFS read or write "
"request fits in just a few network frames (or even in a single frame) is "
"advised.  This reduces the probability that the loss of a single MTU-sized "
"network frame results in the loss of an entire large read or write request."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"TCP is the default transport protocol used for all modern NFS "
"implementations.  It performs well in almost every conceivable network "
"environment and provides excellent guarantees against data corruption caused "
"by network unreliability.  TCP is often a requirement for mounting a server "
"through a network firewall."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Under normal circumstances, networks drop packets much more frequently than "
"NFS servers drop requests.  As such, an aggressive retransmit timeout "
"setting for NFS over TCP is unnecessary. Typical timeout settings for NFS "
"over TCP are between one and ten minutes.  After the client exhausts its "
"retransmits (the value of the B<retrans> mount option), it assumes a network "
"partition has occurred, and attempts to reconnect to the server on a fresh "
"socket. Since TCP itself makes network data transfer reliable, B<rsize> and "
"B<wsize> can safely be allowed to default to the largest values supported by "
"both client and server, independent of the network's MTU size."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Using the mountproto mount option"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"This section applies only to NFS version 3 mounts since NFS version 4 does "
"not use a separate protocol for mount requests."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The Linux NFS client can use a different transport for contacting an NFS "
"server's rpcbind service, its mountd service, its Network Lock Manager (NLM) "
"service, and its NFS service.  The exact transports employed by the Linux "
"NFS client for each mount point depends on the settings of the transport "
"mount options, which include B<proto>, B<mountproto>, B<udp>, and B<tcp>."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The client sends Network Status Manager (NSM) notifications via UDP no "
"matter what transport options are specified, but listens for server NSM "
"notifications on both UDP and TCP.  The NFS Access Control List (NFSACL) "
"protocol shares the same transport as the main NFS service."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If no transport options are specified, the Linux NFS client uses UDP to "
"contact the server's mountd service, and TCP to contact its NLM and NFS "
"services by default."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the server does not support these transports for these services, the "
"B<mount>(8)  command attempts to discover what the server supports, and then "
"retries the mount request once using the discovered transports.  If the "
"server does not advertise any transport supported by the client or is "
"misconfigured, the mount request fails.  If the B<bg> option is in effect, "
"the mount command backgrounds itself and continues to attempt the specified "
"mount request."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"When the B<proto> option, the B<udp> option, or the B<tcp> option is "
"specified but the B<mountproto> option is not, the specified transport is "
"used to contact both the server's mountd service and for the NLM and NFS "
"services."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the B<mountproto> option is specified but none of the B<proto>, B<udp> or "
"B<tcp> options are specified, then the specified transport is used for the "
"initial mountd request, but the mount command attempts to discover what the "
"server supports for the NFS protocol, preferring TCP if both transports are "
"supported."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If both the B<mountproto> and B<proto> (or B<udp> or B<tcp>)  options are "
"specified, then the transport specified by the B<mountproto> option is used "
"for the initial mountd request, and the transport specified by the B<proto> "
"option (or the B<udp> or B<tcp> options)  is used for NFS, no matter what "
"order these options appear.  No automatic service discovery is performed if "
"these options are specified."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If any of the B<proto>, B<udp>, B<tcp>, or B<mountproto> options are "
"specified more than once on the same mount command line, then the value of "
"the rightmost instance of each of these options takes effect."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Using NFS over UDP on high-speed links"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Using NFS over UDP on high-speed links such as Gigabit B<can cause silent "
"data corruption>."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The problem can be triggered at high loads, and is caused by problems in IP "
"fragment reassembly. NFS read and writes typically transmit UDP packets of 4 "
"Kilobytes or more, which have to be broken up into several fragments in "
"order to be sent over the Ethernet link, which limits packets to 1500 bytes "
"by default. This process happens at the IP network layer and is called "
"fragmentation."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In order to identify fragments that belong together, IP assigns a 16bit I<IP "
"ID> value to each packet; fragments generated from the same UDP packet will "
"have the same IP ID. The receiving system will collect these fragments and "
"combine them to form the original UDP packet. This process is called "
"reassembly. The default timeout for packet reassembly is 30 seconds; if the "
"network stack does not receive all fragments of a given packet within this "
"interval, it assumes the missing fragment(s)  got lost and discards those it "
"already received."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The problem this creates over high-speed links is that it is possible to "
"send more than 65536 packets within 30 seconds. In fact, with heavy NFS "
"traffic one can observe that the IP IDs repeat after about 5 seconds."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This has serious effects on reassembly: if one fragment gets lost, another "
"fragment I<from a different packet> but with the I<same IP ID> will arrive "
"within the 30 second timeout, and the network stack will combine these "
"fragments to form a new packet. Most of the time, network layers above IP "
"will detect this mismatched reassembly - in the case of UDP, the UDP "
"checksum, which is a 16 bit checksum over the entire packet payload, will "
"usually not match, and UDP will discard the bad packet."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"However, the UDP checksum is 16 bit only, so there is a chance of 1 in 65536 "
"that it will match even if the packet payload is completely random (which "
"very often isn't the case). If that is the case, silent data corruption will "
"occur."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This potential should be taken seriously, at least on Gigabit Ethernet.  "
"Network speeds of 100Mbit/s should be considered less problematic, because "
"with most traffic patterns IP ID wrap around will take much longer than 30 "
"seconds."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"It is therefore strongly recommended to use B<NFS over TCP where possible>, "
"since TCP does not perform fragmentation."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If you absolutely have to use NFS over UDP over Gigabit Ethernet, some steps "
"can be taken to mitigate the problem and reduce the probability of "
"corruption:"
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "I<Jumbo frames:>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Many Gigabit network cards are capable of transmitting frames bigger than "
"the 1500 byte limit of traditional Ethernet, typically 9000 bytes. Using "
"jumbo frames of 9000 bytes will allow you to run NFS over UDP at a page size "
"of 8K without fragmentation. Of course, this is only feasible if all "
"involved stations support jumbo frames."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"To enable a machine to send jumbo frames on cards that support it, it is "
"sufficient to configure the interface for a MTU value of 9000."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "I<Lower reassembly timeout:>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"By lowering this timeout below the time it takes the IP ID counter to wrap "
"around, incorrect reassembly of fragments can be prevented as well. To do "
"so, simply write the new timeout value (in seconds)  to the file B</proc/sys/"
"net/ipv4/ipfrag_time>."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A value of 2 seconds will greatly reduce the probability of IPID clashes on "
"a single Gigabit link, while still allowing for a reasonable timeout when "
"receiving fragmented traffic from distant peers."
msgstr ""

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "DATA AND METADATA COHERENCE"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Some modern cluster file systems provide perfect cache coherence among their "
"clients.  Perfect cache coherence among disparate NFS clients is expensive "
"to achieve, especially on wide area networks.  As such, NFS settles for "
"weaker cache coherence that satisfies the requirements of most file sharing "
"types."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Close-to-open cache consistency"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Typically file sharing is completely sequential.  First client A opens a "
"file, writes something to it, then closes it.  Then client B opens the same "
"file, and reads the changes."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"When an application opens a file stored on an NFS version 3 server, the NFS "
"client checks that the file exists on the server and is permitted to the "
"opener by sending a GETATTR or ACCESS request.  The NFS client sends these "
"requests regardless of the freshness of the file's cached attributes."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"When the application closes the file, the NFS client writes back any pending "
"changes to the file so that the next opener can view the changes.  This also "
"gives the NFS client an opportunity to report write errors to the "
"application via the return code from B<close>(2)."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The behavior of checking at open time and flushing at close time is referred "
"to as I<close-to-open cache consistency>, or I<CTO>.  It can be disabled for "
"an entire mount point using the B<nocto> mount option."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Weak cache consistency"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"There are still opportunities for a client's data cache to contain stale "
"data.  The NFS version 3 protocol introduced \"weak cache "
"consistency\" (also known as WCC) which provides a way of efficiently "
"checking a file's attributes before and after a single request.  This allows "
"a client to help identify changes that could have been made by other clients."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"When a client is using many concurrent operations that update the same file "
"at the same time (for example, during asynchronous write behind), it is "
"still difficult to tell whether it was that client's updates or some other "
"client's updates that altered the file."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Attribute caching"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Use the B<noac> mount option to achieve attribute cache coherence among "
"multiple clients.  Almost every file system operation checks file attribute "
"information.  The client keeps this information cached for a period of time "
"to reduce network and server load.  When B<noac> is in effect, a client's "
"file attribute cache is disabled, so each operation that needs to check a "
"file's attributes is forced to go back to the server.  This permits a client "
"to see changes to a file very quickly, at the cost of many extra network "
"operations."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Be careful not to confuse the B<noac> option with \"no data caching.\" The "
"B<noac> mount option prevents the client from caching file metadata, but "
"there are still races that may result in data cache incoherence between "
"client and server."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The NFS protocol is not designed to support true cluster file system cache "
"coherence without some type of application serialization.  If absolute cache "
"coherence among clients is required, applications should use file locking. "
"Alternatively, applications can also open their files with the O_DIRECT flag "
"to disable data caching entirely."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
#, no-wrap
msgid "File timestamp maintenance"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"NFS servers are responsible for managing file and directory timestamps "
"(B<atime>, B<ctime>, and B<mtime>).  When a file is accessed or updated on "
"an NFS server, the file's timestamps are updated just like they would be on "
"a filesystem local to an application."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"NFS clients cache file attributes, including timestamps.  A file's "
"timestamps are updated on NFS clients when its attributes are retrieved from "
"the NFS server.  Thus there may be some delay before timestamp updates on an "
"NFS server appear to applications on NFS clients."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"To comply with the POSIX filesystem standard, the Linux NFS client relies on "
"NFS servers to keep a file's B<mtime> and B<ctime> timestamps properly up to "
"date.  It does this by flushing local data changes to the server before "
"reporting B<mtime> to applications via system calls such as B<stat>(2)."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The Linux client handles B<atime> updates more loosely, however.  NFS "
"clients maintain good performance by caching data, but that means that "
"application reads, which normally update B<atime>, are not reflected to the "
"server where a file's B<atime> is actually maintained."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Because of this caching behavior, the Linux NFS client does not support "
"generic atime-related mount options.  See B<mount>(8)  for details on these "
"options."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In particular, the B<atime>/B<noatime>, B<diratime>/B<nodiratime>, "
"B<relatime>/B<norelatime>, and B<strictatime>/B<nostrictatime> mount options "
"have no effect on NFS mounts."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I</proc/mounts> may report that the B<relatime> mount option is set on NFS "
"mounts, but in fact the B<atime> semantics are always as described here, and "
"are not like B<relatime> semantics."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Directory entry caching"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The Linux NFS client caches the result of all NFS LOOKUP requests.  If the "
"requested directory entry exists on the server, the result is referred to as "
"a I<positive> lookup result.  If the requested directory entry does not "
"exist on the server (that is, the server returned ENOENT), the result is "
"referred to as I<negative> lookup result."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"To detect when directory entries have been added or removed on the server, "
"the Linux NFS client watches a directory's mtime.  If the client detects a "
"change in a directory's mtime, the client drops all cached LOOKUP results "
"for that directory.  Since the directory's mtime is a cached attribute, it "
"may take some time before a client notices it has changed.  See the "
"descriptions of the B<acdirmin>, B<acdirmax>, and B<noac> mount options for "
"more information about how long a directory's mtime is cached."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Caching directory entries improves the performance of applications that do "
"not share files with applications on other clients.  Using cached "
"information about directories can interfere with applications that run "
"concurrently on multiple clients and need to detect the creation or removal "
"of files quickly, however.  The B<lookupcache> mount option allows some "
"tuning of directory entry caching behavior."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Before kernel release 2.6.28, the Linux NFS client tracked only positive "
"lookup results.  This permitted applications to detect new directory entries "
"created by other clients quickly while still providing some of the "
"performance benefits of caching.  If an application depends on the previous "
"lookup caching behavior of the Linux NFS client, you can use "
"B<lookupcache=positive>."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the client ignores its cache and validates every application lookup "
"request with the server, that client can immediately detect when a new "
"directory entry has been either created or removed by another client.  You "
"can specify this behavior using B<lookupcache=none>.  The extra NFS requests "
"needed if the client does not cache directory entries can exact a "
"performance penalty.  Disabling lookup caching should result in less of a "
"performance penalty than using B<noac>, and has no effect on how the NFS "
"client caches the attributes of files."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "The sync mount option"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The NFS client treats the B<sync> mount option differently than some other "
"file systems (refer to B<mount>(8)  for a description of the generic B<sync> "
"and B<async> mount options).  If neither B<sync> nor B<async> is specified "
"(or if the B<async> option is specified), the NFS client delays sending "
"application writes to the server until any of these events occur:"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Memory pressure forces reclamation of system memory resources."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"An application flushes file data explicitly with B<sync>(2), B<msync>(2), or "
"B<fsync>(3)."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "An application closes a file with B<close>(2)."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The file is locked/unlocked via B<fcntl>(2)."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In other words, under normal circumstances, data written by an application "
"may not immediately appear on the server that hosts the file."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the B<sync> option is specified on a mount point, any system call that "
"writes data to files on that mount point causes that data to be flushed to "
"the server before the system call returns control to user space.  This "
"provides greater data cache coherence among clients, but at a significant "
"performance cost."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Applications can use the O_SYNC open flag to force application writes to "
"individual files to go to the server immediately without the use of the "
"B<sync> mount option."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Using file locks with NFS"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"The Network Lock Manager protocol is a separate sideband protocol used to "
"manage file locks in NFS version 3.  To support lock recovery after a client "
"or server reboot, a second sideband protocol -- known as the Network Status "
"Manager protocol -- is also required.  In NFS version 4, file locking is "
"supported directly in the main NFS protocol, and the NLM and NSM sideband "
"protocols are not used."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In most cases, NLM and NSM services are started automatically, and no extra "
"configuration is required.  Configure all NFS clients with fully-qualified "
"domain names to ensure that NFS servers can find clients to notify them of "
"server reboots."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"NLM supports advisory file locks only.  To lock NFS files, use B<fcntl>(2)  "
"with the F_GETLK and F_SETLK commands.  The NFS client converts file locks "
"obtained via B<flock>(2)  to advisory locks."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"When mounting servers that do not support the NLM protocol, or when mounting "
"an NFS server through a firewall that blocks the NLM service port, specify "
"the B<nolock> mount option. NLM locking must be disabled with the B<nolock> "
"option when using NFS to mount I</var> because I</var> contains files used "
"by the NLM implementation on Linux."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Specifying the B<nolock> option may also be advised to improve the "
"performance of a proprietary application which runs on a single client and "
"uses file locks extensively."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "NFS version 4 caching features"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The data and metadata caching behavior of NFS version 4 clients is similar "
"to that of earlier versions.  However, NFS version 4 adds two features that "
"improve cache behavior: I<change attributes> and I<file delegation>."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<change attribute> is a new part of NFS file and directory metadata "
"which tracks data changes.  It replaces the use of a file's modification and "
"change time stamps as a way for clients to validate the content of their "
"caches.  Change attributes are independent of the time stamp resolution on "
"either the server or client, however."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A I<file delegation> is a contract between an NFS version 4 client and "
"server that allows the client to treat a file temporarily as if no other "
"client is accessing it.  The server promises to notify the client (via a "
"callback request) if another client attempts to access that file.  Once a "
"file has been delegated to a client, the client can cache that file's data "
"and metadata aggressively without contacting the server."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"File delegations come in two flavors: I<read> and I<write>.  A I<read> "
"delegation means that the server notifies the client about any other clients "
"that want to write to the file.  A I<write> delegation means that the client "
"gets notified about either read or write accessors."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Servers grant file delegations when a file is opened, and can recall "
"delegations at any time when another client wants access to the file that "
"conflicts with any delegations already granted.  Delegations on directories "
"are not supported."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In order to support delegation callback, the server checks the network "
"return path to the client during the client's initial contact with the "
"server.  If contact with the client cannot be established, the server simply "
"does not grant any delegations to that client."
msgstr ""

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "SECURITY CONSIDERATIONS"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"NFS servers control access to file data, but they depend on their RPC "
"implementation to provide authentication of NFS requests.  Traditional NFS "
"access control mimics the standard mode bit access control provided in local "
"file systems.  Traditional RPC authentication uses a number to represent "
"each user (usually the user's own uid), a number to represent the user's "
"group (the user's gid), and a set of up to 16 auxiliary group numbers to "
"represent other groups of which the user may be a member."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Typically, file data and user ID values appear unencrypted (i.e. \"in the "
"clear\") on the network.  Moreover, NFS versions 2 and 3 use separate "
"sideband protocols for mounting, locking and unlocking files, and reporting "
"system status of clients and servers.  These auxiliary protocols use no "
"authentication."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In addition to combining these sideband protocols with the main NFS "
"protocol, NFS version 4 introduces more advanced forms of access control, "
"authentication, and in-transit data protection.  The NFS version 4 "
"specification mandates support for strong authentication and security "
"flavors that provide per-RPC integrity checking and encryption.  Because NFS "
"version 4 combines the function of the sideband protocols into the main NFS "
"protocol, the new security features apply to all NFS version 4 operations "
"including mounting, file locking, and so on.  RPCGSS authentication can also "
"be used with NFS versions 2 and 3, but it does not protect their sideband "
"protocols."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<sec> mount option specifies the security flavor used for operations on "
"behalf of users on that NFS mount point.  Specifying B<sec=krb5> provides "
"cryptographic proof of a user's identity in each RPC request.  This provides "
"strong verification of the identity of users accessing data on the server.  "
"Note that additional configuration besides adding this mount option is "
"required in order to enable Kerberos security.  Refer to the B<rpc.gssd>(8)  "
"man page for details."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Two additional flavors of Kerberos security are supported: B<krb5i> and "
"B<krb5p>.  The B<krb5i> security flavor provides a cryptographically strong "
"guarantee that the data in each RPC request has not been tampered with.  The "
"B<krb5p> security flavor encrypts every RPC request to prevent data exposure "
"during network transit; however, expect some performance impact when using "
"integrity checking or encryption.  Similar support for other forms of "
"cryptographic security is also available."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "NFS version 4 filesystem crossing"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The NFS version 4 protocol allows a client to renegotiate the security "
"flavor when the client crosses into a new filesystem on the server.  The "
"newly negotiated flavor effects only accesses of the new filesystem."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Such negotiation typically occurs when a client crosses from a server's "
"pseudo-fs into one of the server's exported physical filesystems, which "
"often have more restrictive security settings than the pseudo-fs."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "NFS version 4 Leases"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"In NFS version 4, a lease is a period during which a server irrevocably "
"grants a client file locks.  Once the lease expires, the server may revoke "
"those locks.  Clients periodically renew their leases to prevent lock "
"revocation."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"After an NFS version 4 server reboots, each client tells the server about "
"existing file open and lock state under its lease before operation can "
"continue.  If a client reboots, the server frees all open and lock state "
"associated with that client's lease."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"When establishing a lease, therefore, a client must identify itself to a "
"server.  Each client presents an arbitrary string to distinguish itself from "
"other clients.  The client administrator can supplement the default identity "
"string using the I<nfs4.nfs4_unique_id> module parameter to avoid collisions "
"with other client identity strings."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"A client also uses a unique security flavor and principal when it "
"establishes its lease.  If two clients present the same identity string, a "
"server can use client principals to distinguish between them, thus securely "
"preventing one client from interfering with the other's lease."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"The Linux NFS client establishes one lease on each NFS version 4 server.  "
"Lease management operations, such as lease renewal, are not done on behalf "
"of a particular file, lock, user, or mount point, but on behalf of the "
"client that owns that lease.  A client uses a consistent identity string, "
"security flavor, and principal across client reboots to ensure that the "
"server can promptly reap expired lease state."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"When Kerberos is configured on a Linux NFS client (i.e., there is a I</etc/"
"krb5.keytab> on that client), the client attempts to use a Kerberos security "
"flavor for its lease management operations.  Kerberos provides secure "
"authentication of each client.  By default, the client uses the I<host/> or "
"I<nfs/> service principal in its I</etc/krb5.keytab> for this purpose, as "
"described in B<rpc.gssd>(8)."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the client has Kerberos configured, but the server does not, or if the "
"client does not have a keytab or the requisite service principals, the "
"client uses I<AUTH_SYS> and UID 0 for lease management."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Using non-privileged source ports"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"NFS clients usually communicate with NFS servers via network sockets.  Each "
"end of a socket is assigned a port value, which is simply a number between 1 "
"and 65535 that distinguishes socket endpoints at the same IP address.  A "
"socket is uniquely defined by a tuple that includes the transport protocol "
"(TCP or UDP) and the port values and IP addresses of both endpoints."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The NFS client can choose any source port value for its sockets, but usually "
"chooses a I<privileged> port.  A privileged port is a port value less than "
"1024.  Only a process with root privileges may create a socket with a "
"privileged source port."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The exact range of privileged source ports that can be chosen is set by a "
"pair of sysctls to avoid choosing a well-known port, such as the port used "
"by ssh.  This means the number of source ports available for the NFS client, "
"and therefore the number of socket connections that can be used at the same "
"time, is practically limited to only a few hundred."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"As described above, the traditional default NFS authentication scheme, known "
"as AUTH_SYS, relies on sending local UID and GID numbers to identify users "
"making NFS requests.  An NFS server assumes that if a connection comes from "
"a privileged port, the UID and GID numbers in the NFS requests on this "
"connection have been verified by the client's kernel or some other local "
"authority.  This is an easy system to spoof, but on a trusted physical "
"network between trusted hosts, it is entirely adequate."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Roughly speaking, one socket is used for each NFS mount point.  If a client "
"could use non-privileged source ports as well, the number of sockets "
"allowed, and thus the maximum number of concurrent mount points, would be "
"much larger."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Using non-privileged source ports may compromise server security somewhat, "
"since any user on AUTH_SYS mount points can now pretend to be any other when "
"making NFS requests.  Thus NFS servers do not support this by default.  They "
"explicitly allow it usually via an export option."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"To retain good security while allowing as many mount points as possible, it "
"is best to allow non-privileged client connections only if the server and "
"client both require strong authentication, such as Kerberos."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Mounting through a firewall"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A firewall may reside between an NFS client and server, or the client or "
"server may block some of its own ports via IP filter rules.  It is still "
"possible to mount an NFS server through a firewall, though some of the "
"B<mount>(8)  command's automatic service endpoint discovery mechanisms may "
"not work; this requires you to provide specific endpoint details via NFS "
"mount options."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"NFS servers normally run a portmapper or rpcbind daemon to advertise their "
"service endpoints to clients. Clients use the rpcbind daemon to determine:"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "What network port each RPC-based service is using"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "What transport protocols each RPC-based service supports"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The rpcbind daemon uses a well-known port number (111) to help clients find "
"a service endpoint.  Although NFS often uses a standard port number (2049), "
"auxiliary services such as the NLM service can choose any unused port number "
"at random."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
#: opensuse-tumbleweed
msgid ""
"Common firewall configurations block the well-known rpcbind port.  In the "
"absense of an rpcbind service, the server administrator fixes the port "
"number of NFS-related services so that the firewall can allow access to "
"specific NFS service ports.  Client administrators then specify the port "
"number for the mountd service via the B<mount>(8)  command's B<mountport> "
"option.  It may also be necessary to enforce the use of TCP or UDP if the "
"firewall blocks one of those transports."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "NFS Access Control Lists"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Solaris allows NFS version 3 clients direct access to POSIX Access Control "
"Lists stored in its local file systems.  This proprietary sideband protocol, "
"known as NFSACL, provides richer access control than mode bits.  Linux "
"implements this protocol for compatibility with the Solaris NFS "
"implementation.  The NFSACL protocol never became a standard part of the NFS "
"version 3 specification, however."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The NFS version 4 specification mandates a new version of Access Control "
"Lists that are semantically richer than POSIX ACLs.  NFS version 4 ACLs are "
"not fully compatible with POSIX ACLs; as such, some translation between the "
"two is required in an environment that mixes POSIX ACLs and NFS version 4."
msgstr ""

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "THE REMOUNT OPTION"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Generic mount options such as B<rw> and B<sync> can be modified on NFS mount "
"points using the B<remount> option.  See B<mount>(8)  for more information "
"on generic mount options."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"With few exceptions, NFS-specific options are not able to be modified during "
"a remount.  The underlying transport or NFS version cannot be changed by a "
"remount, for example."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Performing a remount on an NFS file system mounted with the B<noac> option "
"may have unintended consequences.  The B<noac> option is a combination of "
"the generic option B<sync>, and the NFS-specific option B<actimeo=0>."
msgstr ""

#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Unmounting after a remount"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"For mount points that use NFS versions 2 or 3, the NFS umount subcommand "
"depends on knowing the original set of mount options used to perform the MNT "
"operation.  These options are stored on disk by the NFS mount subcommand, "
"and can be erased by a remount."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"To ensure that the saved mount options are not erased during a remount, "
"specify either the local mount directory, or the server hostname and export "
"pathname, but not both, during a remount.  For example,"
msgstr ""

#. type: ta
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "8n"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "\tmount -o remount,ro /mnt\n"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"merges the mount option B<ro> with the mount options already saved on disk "
"for the NFS server mounted at /mnt."
msgstr ""

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "FILES"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "file system table"
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "I</etc/nfsmount.conf>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Configuration file for NFS mounts"
msgstr ""

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
#, no-wrap
msgid "NOTES"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Before 2.4.7, the Linux NFS client did not support NFS over TCP."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Before 2.4.20, the Linux NFS client used a heuristic to determine whether "
"cached file data was still valid rather than using the standard close-to-"
"open cache coherency method described above."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Starting with 2.4.22, the Linux NFS client employs a Van Jacobsen-based RTT "
"estimator to determine retransmit timeout values when using NFS over UDP."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Before 2.6.0, the Linux NFS client did not support NFS version 4."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Before 2.6.8, the Linux NFS client used only synchronous reads and writes "
"when the B<rsize> and B<wsize> settings were smaller than the system's page "
"size."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"The Linux client's support for protocol versions depend on whether the "
"kernel was built with options CONFIG_NFS_V2, CONFIG_NFS_V3, CONFIG_NFS_V4, "
"CONFIG_NFS_V4_1, and CONFIG_NFS_V4_2."
msgstr ""

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "SEE ALSO"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"B<fstab>(5), B<mount>(8), B<umount>(8), B<mount.nfs>(5), B<umount.nfs>(5), "
"B<exports>(5), B<nfsmount.conf>(5), B<netconfig>(5), B<ipv6>(7), B<nfsd>(8), "
"B<sm-notify>(8), B<rpc.statd>(8), B<rpc.idmapd>(8), B<rpc.gssd>(8), B<rpc."
"svcgssd>(8), B<kerberos>(1)"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "RFC 768 for the UDP specification."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "RFC 793 for the TCP specification."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "RFC 1813 for the NFS version 3 specification."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "RFC 1832 for the XDR specification."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "RFC 1833 for the RPC bind specification."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "RFC 2203 for the RPCSEC GSS API protocol specification."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid "RFC 7530 for the NFS version 4.0 specification."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid "RFC 5661 for the NFS version 4.1 specification."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-tumbleweed
msgid "RFC 7862 for the NFS version 4.2 specification."
msgstr ""

#. type: TP
#: debian-bookworm mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<soft> / B<hard>"
msgstr ""

#. type: Plain text
#: debian-bookworm mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Determines the recovery behavior of the NFS client after an NFS request "
"times out.  If neither option is specified (or if the B<hard> option is "
"specified), NFS requests are retried indefinitely.  If the B<soft> option is "
"specified, then the NFS client fails an NFS request after B<retrans> "
"retransmissions have been sent, causing the NFS client to return an error to "
"the calling application."
msgstr ""

#. type: Plain text
#: debian-bookworm mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<NB:> A so-called \"soft\" timeout can cause silent data corruption in "
"certain cases. As such, use the B<soft> option only when client "
"responsiveness is more important than data integrity.  Using NFS over TCP or "
"increasing the value of the B<retrans> option may mitigate some of the risks "
"of using the B<soft> option."
msgstr ""

#. type: Plain text
#: debian-bookworm mageia-cauldron opensuse-tumbleweed
msgid ""
"mount option.  To mount using NFS version 3, use the B<nfs> file system type "
"and specify the B<nfsvers=3> mount option.  To mount using NFS version 4, "
"use either the B<nfs> file system type, with the B<nfsvers=4> mount option, "
"or the B<nfs4> file system type."
msgstr ""

#. type: Plain text
#: fedora-40 fedora-rawhide
msgid ""
"Some server features misbehave in the face of a migration-compatible "
"identification string.  The B<nomigration> option retains the use of a "
"traditional client identification string which is compatible with legacy NFS "
"servers.  This is also the behavior if neither option is specified.  A "
"client's open and lock state cannot be migrated transparently when it "
"identifies itself via a traditional identification string."
msgstr ""

#. type: Plain text
#: fedora-40 fedora-rawhide
msgid ""
"Common firewall configurations block the well-known rpcbind port.  In the "
"absence of an rpcbind service, the server administrator fixes the port "
"number of NFS-related services so that the firewall can allow access to "
"specific NFS service ports.  Client administrators then specify the port "
"number for the mountd service via the B<mount>(8)  command's B<mountport> "
"option.  It may also be necessary to enforce the use of TCP or UDP if the "
"firewall blocks one of those transports."
msgstr ""

#. type: Plain text
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"If B<none> is specified, transport layer security is forced off, even if the "
"NFS server supports transport layer security.  If B<tls> is specified, the "
"client uses RPC-with-TLS to provide in-transit confidentiality.  If B<mtls> "
"is specified, the client uses RPC-with-TLS to authenticate itself and to "
"provide in-transit confidentiality.  If the server does not support RPC-with-"
"TLS or peer authentication fails, the mount attempt fails."
msgstr ""

#. type: Plain text
#: mageia-cauldron opensuse-tumbleweed
msgid ""
"If the B<xprtsec=> option is not specified, the default behavior depends on "
"the kernel, but is usually equivalent to B<xprtsec=none>."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"NFS is an Internet Standard protocol created by Sun Microsystems in 1984. "
"NFS was developed to allow file sharing between systems residing on a local "
"area network.  The Linux NFS client supports three versions of the NFS "
"protocol: NFS version 2 [RFC1094], NFS version 3 [RFC1813], and NFS version "
"4 [RFC3530]."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"The NFS protocol version number used to contact the server's NFS service.  "
"If the server does not support the requested version, the mount request "
"fails.  If this option is not specified, the client negotiates a suitable "
"version with the server, trying version 4 first, version 3 second, and "
"version 2 last."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"Enable/Disables the cache of (read-only) data pages to the local disk using "
"the FS-Cache facility. See cachefilesd(8)  and E<lt>kernel_soruceE<gt>/"
"Documentation/filesystems/caching for detail on how to configure the FS-"
"Cache facility.  Default value is nofsc."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"The I<netid> determines the transport that is used to communicate with the "
"NFS server.  Available options are B<udp>, B<udp6>, B<tcp>, B<tcp6>, and "
"B<rdma>.  Those which end in B<6> use IPv6 addresses and are only available "
"if support for TI-RPC is built in. Others use IPv4 addresses."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"Use these options, along with the options in the first subsection above, for "
"NFS version 4 and newer."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"The I<netid> determines the transport that is used to communicate with the "
"NFS server.  Supported options are B<tcp>, B<tcp6>, and B<rdma>.  B<tcp6> "
"use IPv6 addresses and is only available if support for TI-RPC is built in. "
"Both others use IPv4 addresses."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"Specifies a single IPv4 address (in dotted-quad form), or a non-link-local "
"IPv6 address, that the NFS client advertises to allow servers to perform NFS "
"version 4 callback requests against files on this mount point. If the server "
"is unable to establish callback connections to clients, performance may "
"degrade, or accesses to files may temporarily hang."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"To mount an export using NFS version 2, use the B<nfs> file system type and "
"specify the B<nfsvers=2> mount option.  To mount using NFS version 3, use "
"the B<nfs> file system type and specify the B<nfsvers=3> mount option.  To "
"mount using NFS version 4, use either the B<nfs> file system type, with the "
"B<nfsvers=4> mount option, or the B<nfs4> file system type."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"Here is an example from an /etc/fstab file for an NFS version 2 mount over "
"UDP."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
#, no-wrap
msgid "\tserver:/export\t/mnt\tnfs\tnfsvers=2,proto=udp\t0 0\n"
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"This section applies only to NFS version 2 and version 3 mounts since NFS "
"version 4 does not use a separate protocol for mount requests."
msgstr ""

#. type: SS
#: opensuse-leap-15-6
#, no-wrap
msgid "File timestamp maintainence"
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"The Network Lock Manager protocol is a separate sideband protocol used to "
"manage file locks in NFS version 2 and version 3.  To support lock recovery "
"after a client or server reboot, a second sideband protocol -- known as the "
"Network Status Manager protocol -- is also required.  In NFS version 4, file "
"locking is supported directly in the main NFS protocol, and the NLM and NSM "
"sideband protocols are not used."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"In NFS version 4, a lease is a period of time during which a server "
"irrevocably grants a file lock to a client.  If the lease expires, the "
"server is allowed to revoke that lock.  Clients periodically renew their "
"leases to prevent lock revocation."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"After an NFS version 4 server reboots, each client tells the server about "
"all file open and lock state under its lease before operation can continue.  "
"If the client reboots, the server frees all open and lock state associated "
"with that client's lease."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"As part of establishing a lease, therefore, a client must identify itself to "
"a server.  A fixed string is used to distinguish that client from others, "
"and a changeable verifier is used to indicate when the client has rebooted."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"A client uses a particular security flavor and principal when performing the "
"operations to establish a lease.  If two clients happen to present the same "
"identity string, a server can use their principals to detect that they are "
"different clients, and prevent one client from interfering with the other's "
"lease."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"The Linux NFS client establishes one lease for each server.  Lease "
"management operations, such as lease renewal, are not done on behalf of a "
"particular file, lock, user, or mount point, but on behalf of the whole "
"client that owns that lease.  These operations must use the same security "
"flavor and principal that was used when the lease was established, even "
"across client reboots."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"When Kerberos is configured on a Linux NFS client (i.e., there is a I</etc/"
"krb5.keytab> on that client), the client attempts to use a Kerberos security "
"flavor for its lease management operations.  This provides strong "
"authentication of the client to each server it contacts.  By default, the "
"client uses the I<host/> or I<nfs/> service principal in its I</etc/krb5."
"keytab> for this purpose."
msgstr ""

#. type: SH
#: opensuse-leap-15-6
#, no-wrap
msgid "BUGS"
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid ""
"The Linux NFS client does not yet support certain optional features of the "
"NFS version 4 protocol, such as security negotiation, server referrals, and "
"named attributes."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid "RFC 1094 for the NFS version 2 specification."
msgstr ""

#. type: Plain text
#: opensuse-leap-15-6
msgid "RFC 3530 for the NFS version 4 specification."
msgstr ""