12.07.2015 Views

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

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

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

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►►MODE =fulldifferential►◄ParametersselectiveSpecifies that you want to per<strong>for</strong>m a full (selective) image backup. This is thedefault <strong>for</strong> image backup of client file systems.incrementalSpecifies that you want to back up only new <strong>and</strong> changed files after the mostrecent image backup (full or incremental). If an image backup has not yet beenmade, then the first backup will be a full image backup, regardless of themode option.Deleted files are not marked inactive on the server.fullSpecifies that you want to per<strong>for</strong>m a full backup of NAS, WebsphereApplication Server, or group objects. This is the default <strong>for</strong> WebsphereApplication Server <strong>and</strong> group backups.differentialThis is the default <strong>for</strong> NAS objects. Specifies that you want to per<strong>for</strong>m a NAS,Websphere Application Server, or group backup of files that changed since thelast full backup. If there is no copy of a full image stored on the <strong>Tivoli</strong> <strong>Storage</strong><strong>Manager</strong> server, a full backup occurs. If a full image exists, whether it isrestorable, or expired <strong>and</strong> being maintained because of dependent differentialimages, specifying MODE =differential sends a differential image backup. If afull image is sent during a differential backup, it is reflected as a full imageusing the query nasbackup server comm<strong>and</strong>.A full image can be eligible <strong>for</strong> expiration based on versioning or retention(verexists retextra), but still be maintained on the <strong>Tivoli</strong> <strong>Storage</strong> <strong>Manager</strong>server to allow <strong>for</strong> restoring dependent differential images. A full image that iseligible <strong>for</strong> expiration cannot be selected <strong>for</strong> restore, so it is not displayed usingthe query nasbackup server comm<strong>and</strong>. The differential image backups thatdepend on an ″expired″ full image can be restored.ExamplesTaskTaskTaskPer<strong>for</strong>m the NAS image backup of the entire file system.Comm<strong>and</strong>: dsmc backup nas -mode=full -nasnodename=nas1 /vol/vol0/vol/vol1Back up the /home/test file space using an image incremental backup thatbacks up only new <strong>and</strong> changed files after the last full image backup.Comm<strong>and</strong>: dsmc backup image /home/test -mode=incrementalPer<strong>for</strong>m a full backup of all the files in filelist /home/dir1/filelist1 to thevirtual file space name /virtfs containing the group leader /home/group1file.Comm<strong>and</strong>:backup group -filelist=/home/dir1/filelist1 -groupname=group1-virtualfsname=/virtfs -mode=fullChapter 10. Using processing options 351

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