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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
136 lines
3.4 KiB
XML
136 lines
3.4 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_tsmsm.8">
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<refmeta>
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<refentrytitle>vfs_tsmsm</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_tsmsm</refname>
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<refpurpose>VFS module for handling offline files with Tivoli Storage Manager Space Management</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>vfs objects = tsmsm</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>7</manvolnum></citerefentry> suite.</para>
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<para>The <command>tsmsm</command> VFS module is an
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extension for handling offline files with Tivoli
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Storage Manager Space Management.
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</para>
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<para>
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It tries to avoid calling expensive DMAPI calls with some
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heuristics based on the fact that number of blocks reported of a
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file multiplied by 512 will be bigger than 'online ratio' of
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actual size for online (non-migrated) files.
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If heuristic check fails, the module calls DMAPI and asks for
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a specific attribute which is present for offline (migrated) files.
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If this attribute presents, the file is considered offline.
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</para>
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<para>This module is not stackable.</para>
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</refsect1>
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<refsect1>
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<title>OPTIONS</title>
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<variablelist>
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<varlistentry>
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<term>tsmsm:hsm script = [ path to hsm script ]</term>
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<listitem>
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<para>
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hsm script should point to a shell script which
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accepts two arguments: operation and filepath.
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the tsmsm module only uses "offline" for operation
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to set the file under filepath offline.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>tsmsm:online ratio = [ number ]</term>
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<listitem>
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<para>
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Ratio to check reported size against actual file size.
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The default value is 0.5.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>tsmsm:dmapi attribute = [ attribute-name ]</term>
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<listitem>
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<para>
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Name of a DMAPI attribute that is present when a file is offline.
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The default is "IBMobj" (which is what GPFS uses).
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>tsmsm:dmapi value = [ value for the DMAPI attribute ]</term>
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<listitem>
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<para>
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Value that the DMAPI attribute should have for the file to
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be considered offline. The default is empty (no value required).
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>EXAMPLES</title>
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<para>A GPFS mount with TSM support can be exported via Samba as follows:</para>
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<programlisting>
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<smbconfsection name="[gpfs_tsm_share]"/>
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<smbconfoption name="vfs objects">tsmsm gpfs</smbconfoption>
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<smbconfoption name="path">/test/gpfs_mount</smbconfoption>
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</programlisting>
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</refsect1>
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<refsect1>
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<title>VERSION</title>
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<para>This man page is correct for version 4.0 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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