diff options
Diffstat (limited to 'docs-xml/smbdotconf/misc/dfreecommand.xml')
| -rw-r--r-- | docs-xml/smbdotconf/misc/dfreecommand.xml | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/docs-xml/smbdotconf/misc/dfreecommand.xml b/docs-xml/smbdotconf/misc/dfreecommand.xml new file mode 100644 index 0000000..b12ee0f --- /dev/null +++ b/docs-xml/smbdotconf/misc/dfreecommand.xml @@ -0,0 +1,62 @@ +<samba:parameter name="dfree command" + context="S" + type="string" + substitution="1" + xmlns:samba="http://www.samba.org/samba/DTD/samba-doc"> +<description> + + <para> + The <parameter moreinfo="none">dfree command</parameter> setting should only be used on systems where a + problem occurs with the internal disk space calculations. This has been known to happen with Ultrix, but may + occur with other operating systems. The symptom that was seen was an error of "Abort Retry Ignore" + at the end of each directory listing. + </para> + + <para> + This setting allows the replacement of the internal routines to calculate the total disk space and amount + available with an external routine. The example below gives a possible script that might fulfill this + function. + </para> + + <para> + In Samba version 3.0.21 this parameter has been changed to be a per-share parameter, and in addition the + parameter <smbconfoption name="dfree cache time"/> was added to allow the output of this script to be cached + for systems under heavy load. + </para> + + <para> + The external program will be passed a single parameter indicating a directory in the filesystem being queried. + This will typically consist of the string <filename moreinfo="none">./</filename>. The script should return + two integers in ASCII. The first should be the total disk space in blocks, and the second should be the number + of available blocks. An optional third return value can give the block size in bytes. The default blocksize is + 1024 bytes. + </para> + + <para> + Note: Your script should <emphasis>NOT</emphasis> be setuid or setgid and should be owned by (and writeable + only by) root! + </para> + + <para> + Where the script dfree (which must be made executable) could be: +<programlisting format="linespecific"> +#!/bin/sh +df "$1" | tail -1 | awk '{print $(NF-4),$(NF-2)}' +</programlisting> + or perhaps (on Sys V based systems): +<programlisting format="linespecific"> +#!/bin/sh +/usr/bin/df -k "$1" | tail -1 | awk '{print $3" "$5}' +</programlisting> + Note that you may have to replace the command names with full path names on some systems. + Also note the arguments passed into the script should be quoted inside the script in case they + contain special characters such as spaces or newlines. + </para> + + <para> + By default internal routines for determining the disk capacity and remaining space will be used. + </para> + +</description> +<value type="example">/usr/local/samba/bin/dfree</value> +</samba:parameter> |