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Signed-off-by: Karolin Seeger <kseeger@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org> Autobuild-User(master): Andrew Bartlett <abartlet@samba.org> Autobuild-Date(master): Mon Jul 20 06:11:53 CEST 2015 on sn-devel-104
125 lines
3.6 KiB
XML
125 lines
3.6 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!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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<refentry id="vfs_snapper.8">
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<refmeta>
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<refentrytitle>vfs_snapper</refentrytitle>
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<manvolnum>8</manvolnum>
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<refmiscinfo class="source">Samba</refmiscinfo>
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<refmiscinfo class="manual">System Administration tools</refmiscinfo>
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<refmiscinfo class="version">4.3</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>vfs_snapper</refname>
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<refpurpose>
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Expose snapshots managed by snapper as shadow-copies
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</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>vfs objects = snapper</command>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>DESCRIPTION</title>
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<para>This VFS module is part of the
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<citerefentry><refentrytitle>samba</refentrytitle>
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<manvolnum>8</manvolnum></citerefentry> suite.</para>
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<para>
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The <command>vfs_snapper</command> VFS module exposes snapshots
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managed by snapper for use by Samba. This provides the ability
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for remote SMB clients to access shadow-copies via Windows
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Explorer using the "previous versions" dialog.
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</para>
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<para>
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Snapshots can also be created and remove remotely, using the
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File Server Remote VSS Protocol (FSRVP). Snapshot creation and
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deletion requests are forwarded to snapper via DBus.
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</para>
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<para>
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This module is stackable.
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</para>
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</refsect1>
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<refsect1>
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<title>CONFIGURATION</title>
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<para>
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The underlying share path must have a corresponding snapper
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configuration file. The snapshot directory tree must allow
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access for relavent users.
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</para>
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<programlisting>
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<smbconfsection name="[share]"/>
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<smbconfoption name="vfs objects">snapper</smbconfoption>
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</programlisting>
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<para>
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For remote snapshot creation and deletion, Samba's FSRVP
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server must be configured in the [global] section:
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</para>
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<programlisting>
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<smbconfsection name="[global]"/>
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<smbconfoption name="rpc_daemon:fssd">fork</smbconfoption>
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<smbconfoption name="registry shares">yes</smbconfoption>
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<smbconfoption name="include">registry</smbconfoption>
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</programlisting>
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</refsect1>
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<refsect1>
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<title>PERMISSIONS</title>
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<para>
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Snapper stores snapshots under a .snapshots subdirectory. This
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directory must permit traversal for any users wishing to access
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snapshots via the Windows Explorer previous versions dialog.
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By default, traversal is forbidden for all non-root users.
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Additionally, users must be granted permission to list snapshots
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managed by snapper, via snapper's ALLOW_USERS or ALLOW_GROUPS
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options. Snapper can grant these users and groups .snapshots
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traversal access automatically via the SYNC_ACL option.
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</para>
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<para>
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Remote snapshot creation and deletion is only permitted by Samba
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for Active Directory administrators, backup operators, or users
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explicitly granted SeBackupPrivilege. Snapper must also permit
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creation and deletion for the appropriate user, via snapper's
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ALLOW_USERS or ALLOW_GROUPS options.
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</para>
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<para>
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The DiskShadow.exe FSRVP client initially authenticates as the
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Active Directory computer account. This account must therefore
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be granted the same permissions as the user account issuing the
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snapshot creation and deletion requests.
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</para>
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</refsect1>
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<refsect1>
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<title>VERSION</title>
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<para>
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This man page is correct for version 4.3.0 of the Samba suite.
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</para>
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</refsect1>
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<refsect1>
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<title>AUTHOR</title>
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<para>The original Samba software and related utilities
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were created by Andrew Tridgell. Samba is now developed
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by the Samba Team as an Open Source project similar
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to the way the Linux kernel is developed.</para>
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</refsect1>
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</refentry>
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