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IBM Tivoli Storage Manager for UNIX and Linux Backup-Archive ...

IBM Tivoli Storage Manager for UNIX and Linux Backup-Archive ...

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PresnapshotcmdThis comm<strong>and</strong>:dsmc res /fs/h1/m1/ /u/ann/ -su=yes -preser=subtreeRestores these directories <strong>and</strong> files:/u/ann/m1/file.a/u/ann/m1/file.b/u/ann/m1/l1/file.x/u/ann/m1/l1/file.yThis comm<strong>and</strong>:dsmc res /fs/h1/m1/ /u/ann/ -su=yes -preser=noneRestores these directories <strong>and</strong> files:/u/ann/file.a/u/ann/file.b/u/ann/file.x/u/ann/file.yThe presnapshotcmd option allows you to run operating system comm<strong>and</strong>s be<strong>for</strong>ethe <strong>Tivoli</strong> <strong>Storage</strong> <strong>Manager</strong> client starts a snapshot. This allows you to quiesce anapplication be<strong>for</strong>e the <strong>Tivoli</strong> <strong>Storage</strong> <strong>Manager</strong> client starts the snapshot during asnapshot-based backup or archive.AIX only: This option is only applicable to JFS2 snapshot-based file backup orarchive <strong>and</strong> snapshot-based image backup. For a snapshot-based file backup orarchive, use this option with the backup comm<strong>and</strong>, the include.fs option, or in thedsm.sys file.<strong>Linux</strong> only: This option is only valid if the LVM is installed <strong>and</strong> configured onyour system, allowing you to per<strong>for</strong>m a snapshot-based image backup.AIX <strong>and</strong> <strong>Linux</strong> only: For a snapshot-based image backup, use this option with thebackup image comm<strong>and</strong>, the include.image option, or in the dsm.sys file.If the presnapshotcmd fails it is assumed that the application is not in a consistentstate <strong>and</strong> the client will stop the operation <strong>and</strong> display the appropriate errormessage.Supported ClientsThis option is valid <strong>for</strong> AIX JFS2 <strong>and</strong> <strong>Linux</strong> x86/x86_64 clients only. The <strong>Tivoli</strong><strong>Storage</strong> <strong>Manager</strong> client API does not support this option. The server can alsodefine this option.Options FilePlace this option in the client system options file (dsm.sys). You can set also thisoption on the Image-Snapshot tab of the Preferences editor.Syntax►► PRESNAPshotcmd ″cmdstring″ ►◄Chapter 10. Using processing options 373

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