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Measures for data loss

Measures for data loss



 In the event of loss of data, first the following steps are required:

  1. Close all 'dsmj'- and 'dsmc'- processes (stop all TSM clients)
  2. Close the TSM scheduler

These measures are required to prevent that active file versions become inactive. If after the loss of data, an incremental backup is performed, the TSM client detects that files were deleted and sends this information to the TSM server. There, these file versions become inactive. Consequently, it is not possible to simply restore this active data stock during the restoration, but you either have to select the inactive file versions individually before the restore (time-consuming) or you need to execute a 'point-in-time-restore" that may not be as efficient as a restore of active data. In addition, restores on the TSM server can only be prepared in advance for active file versions (backup sets), see also the section Preparing a Restore on the TSM Server.

Please note that restores do not allow for the change of the operating system or file system. For example, files that were backed up from a Windows system, cannot be restored with a LINUX TSM client. In this case, the restore of files can only be executed with a Windows TSM client.

last changed on 01/20/2023

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