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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 17:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 17:47:29 +0000 |
commit | 4f5791ebd03eaec1c7da0865a383175b05102712 (patch) | |
tree | 8ce7b00f7a76baa386372422adebbe64510812d4 /docs-xml/manpages/vfs_crossrename.8.xml | |
parent | Initial commit. (diff) | |
download | samba-4f5791ebd03eaec1c7da0865a383175b05102712.tar.xz samba-4f5791ebd03eaec1c7da0865a383175b05102712.zip |
Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'docs-xml/manpages/vfs_crossrename.8.xml')
-rw-r--r-- | docs-xml/manpages/vfs_crossrename.8.xml | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/docs-xml/manpages/vfs_crossrename.8.xml b/docs-xml/manpages/vfs_crossrename.8.xml new file mode 100644 index 0000000..72d67d6 --- /dev/null +++ b/docs-xml/manpages/vfs_crossrename.8.xml @@ -0,0 +1,118 @@ +<?xml version="1.0" encoding="iso-8859-1"?> +<!DOCTYPE refentry PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc"> +<refentry id="vfs_crossrename.8"> + +<refmeta> + <refentrytitle>vfs_crossrename</refentrytitle> + <manvolnum>8</manvolnum> + <refmiscinfo class="source">Samba</refmiscinfo> + <refmiscinfo class="manual">System Administration tools</refmiscinfo> + <refmiscinfo class="version">&doc.version;</refmiscinfo> +</refmeta> + + +<refnamediv> + <refname>vfs_crossrename</refname> + <refpurpose>server side rename files across filesystem boundaries</refpurpose> +</refnamediv> + +<refsynopsisdiv> + <cmdsynopsis> + <command>vfs objects = crossrename</command> + </cmdsynopsis> +</refsynopsisdiv> + +<refsect1> + <title>DESCRIPTION</title> + + <para>This VFS module is part of the + <citerefentry><refentrytitle>samba</refentrytitle> + <manvolnum>7</manvolnum></citerefentry> suite.</para> + + <para>The <command>vfs_crossrename</command> VFS module allows + server side rename operations even if source and target are on + different physical devices. A "move" in Explorer is usually a + rename operation if it is inside of a single share or device. + Usually such a rename operation returns + NT_STATUS_NOT_SAME_DEVICE and the client has to move the file by + manual copy and delete operations. If the rename by copy is done by the + server this can be much more efficient. vfs_crossrename tries to do + this server-side cross-device rename operation. + </para> + + <para>There are however limitations that this module currently does not + solve:</para> + + <variablelist> + <varlistentry> + <para>The ACLs of files are not preserved,</para> + </varlistentry> + <varlistentry> + <para>meta data in EAs are not preserved,</para> + </varlistentry> + <varlistentry> + <para>renames of whole subdirectories cannot be done recursively, + in that case we still return STATUS_NOT_SAME_DEVICE and + let the client decide what to do,</para> + </varlistentry> + <varlistentry> + <para>rename operations of huge files can cause hangs on the + client because clients expect a rename operation to + return fast.</para> + </varlistentry> + </variablelist> + + <para>This module is stackable.</para> + +</refsect1> + + +<refsect1> + <title>OPTIONS</title> + + <variablelist> + + <varlistentry> + <term>crossrename:sizelimit = BYTES</term> + <listitem> + <para>server-side cross-device-renames are only done + for files if the filesize is not larger than the defined + size in MiB to prevent timeouts. The default sizelimit is + 20 (MiB) + </para> + </listitem> + </varlistentry> + </variablelist> +</refsect1> + +<refsect1> + <title>EXAMPLES</title> + + <para>To add server-side cross-device renames inside of a share + for all files sized up to 50MB:</para> + +<programlisting> + <smbconfsection name="[testshare]"/> + <smbconfoption name="path">/data/mounts</smbconfoption> + <smbconfoption name="vfs objects">crossrename</smbconfoption> + <smbconfoption name="crossrename:sizelimit">50</smbconfoption> +</programlisting> +</refsect1> + +<refsect1> + <title>VERSION</title> + <para>This man page is part of version &doc.version; of the Samba suite. + </para> +</refsect1> + +<refsect1> + <title>AUTHOR</title> + + <para>The original Samba software and related utilities + were created by Andrew Tridgell. Samba is now developed + by the Samba Team as an Open Source project similar + to the way the Linux kernel is developed.</para> + +</refsect1> + +</refentry> |