| 1 | <?xml version="1.0" encoding="iso-8859-1"?>
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| 2 | <!DOCTYPE refentry PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc">
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| 3 | <refentry id="vfs_shadow_copy.8">
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| 4 |
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| 5 | <refmeta>
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| 6 | <refentrytitle>vfs_shadow_copy</refentrytitle>
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| 7 | <manvolnum>8</manvolnum>
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| 8 | <refmiscinfo class="source">Samba</refmiscinfo>
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| 9 | <refmiscinfo class="manual">System Administration tools</refmiscinfo>
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| 10 | <refmiscinfo class="version">3.3</refmiscinfo>
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| 11 | </refmeta>
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| 12 |
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| 13 |
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| 14 | <refnamediv>
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| 15 | <refname>vfs_shadow_copy</refname>
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| 16 | <refpurpose>Make a Samba share read only for a specified time period</refpurpose>
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| 17 | </refnamediv>
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| 18 |
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| 19 | <refsynopsisdiv>
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| 20 | <cmdsynopsis>
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| 21 | <command>vfs objects = shadow_copy</command>
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| 22 | </cmdsynopsis>
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| 23 | </refsynopsisdiv>
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| 24 |
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| 25 | <refsect1>
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| 26 | <title>DESCRIPTION</title>
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| 27 |
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| 28 | <para>This VFS module is part of the
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| 29 | <citerefentry><refentrytitle>samba</refentrytitle>
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| 30 | <manvolnum>7</manvolnum></citerefentry> suite.</para>
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| 31 |
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| 32 | <para>The <command>vfs_shadow_copy</command> VFS module functionality
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| 33 | that is similar to Microsoft Shadow Copy services. When setup properly,
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| 34 | this module allows Microsoft Shadow Copy clients to browse
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| 35 | "shadow copies" on Samba shares.
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| 36 | </para>
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| 37 |
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| 38 | <para>This module is stackable.</para>
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| 39 |
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| 40 | </refsect1>
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| 41 |
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| 42 | <refsect1>
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| 43 | <title>CONFIGURATION</title>
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| 44 |
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| 45 | <para><command>vfs_shadow_copy</command> relies on a filesystem
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| 46 | snapshot implementation. Many common filesystems have native
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| 47 | support for this.
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| 48 | </para>
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| 49 |
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| 50 | <para>Filesystem snapshots must be mounted on
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| 51 | specially named directories in order to be recognized by
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| 52 | <command>vfs_shadow_copy</command>. The snapshot mount points must
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| 53 | be immediate children of a the directory being shared.</para>
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| 54 |
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| 55 | <para>The snapshot naming convention is @GMT-YYYY.MM.DD-hh.mm.ss,
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| 56 | where:
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| 57 | <itemizedlist>
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| 58 | <listitem><para><command>YYYY</command> is the 4 digit year</para></listitem>
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| 59 | <listitem><para><command>MM</command> is the 2 digit month</para></listitem>
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| 60 | <listitem><para><command>DD</command> is the 2 digit day</para></listitem>
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| 61 | <listitem><para><command>hh</command> is the 2 digit hour</para></listitem>
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| 62 | <listitem><para><command>mm</command> is the 2 digit minute</para></listitem>
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| 63 | <listitem><para><command>ss</command> is the 2 digit second.</para></listitem>
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| 64 | </itemizedlist>
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| 65 | </para>
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| 66 |
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| 67 | <para>The <command>vfs_shadow_copy</command> snapshot naming convention can be produced with the following
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| 68 | <citerefentry><refentrytitle>date</refentrytitle>
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| 69 | <manvolnum>1</manvolnum></citerefentry> command:
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| 70 | <programlisting>
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| 71 | TZ=GMT date +@GMT-%Y.%m.%d-%H.%M.%S
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| 72 | </programlisting></para>
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| 73 |
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| 74 | </refsect1>
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| 75 |
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| 76 | <refsect1>
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| 77 | <title>EXAMPLES</title>
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| 78 |
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| 79 | <para>Add shadow copy support to user home directories:</para>
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| 80 | <programlisting>
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| 81 | <smbconfsection name="[homes]"/>
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| 82 | <smbconfoption name="vfs objects">shadow_copy</smbconfoption>
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| 83 | </programlisting>
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| 84 |
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| 85 | </refsect1>
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| 86 |
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| 87 | <refsect1>
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| 88 | <title>CAVEATS</title>
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| 89 |
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| 90 | <para>This is not a backup, archival, or version control solution.
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| 91 | </para>
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| 92 |
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| 93 | <para>With Samba or Windows servers,
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| 94 | <command>vfs_shadow_copy</command> is designed to be an end-user
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| 95 | tool only. It does not replace or enhance your backup and
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| 96 | archival solutions and should in no way be considered as
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| 97 | such. Additionally, if you need version control, implement a
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| 98 | version control system.</para>
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| 99 |
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| 100 | </refsect1>
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| 101 |
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| 102 |
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| 103 |
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| 104 | <refsect1>
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| 105 | <title>VERSION</title>
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| 106 |
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| 107 | <para>This man page is correct for version 3.0.25 of the Samba suite.
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| 108 | </para>
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| 109 | </refsect1>
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| 110 |
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| 111 | <refsect1>
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| 112 | <title>AUTHOR</title>
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| 113 |
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| 114 | <para>The original Samba software and related utilities
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| 115 | were created by Andrew Tridgell. Samba is now developed
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| 116 | by the Samba Team as an Open Source project similar
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| 117 | to the way the Linux kernel is developed.</para>
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| 118 |
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| 119 | </refsect1>
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| 120 |
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| 121 | </refentry>
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