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Monday, December 03, 2007

Journal

The TSM journal can be your friend or foe. Which one depends on when and how you use it. IBM have released an FAQ around the journal and below I point out a couple of important areas. It will take you no longer than 60 seconds to improve/refresh you're understanding of the journal.

60 second intro

  • Journal Backup is appropriate for backing up files systems with small or moderate amounts of change activity between backup cycles.
  • A traditional incremental backup of the file system must be completed while the
    journal for the file system is active.
  • This backup must result in the Last Backup Completion Date being updated on
    the TSM server.
  • Once the full incremental backup has been completed, the change journal is marked
    as valid for the TSM client node and server the backup was performed with.
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