Backing Up Data › Backup Staging Methods › How Backup to Disk to Tape Works › How You Can Reclaim Disk Space

How You Can Reclaim Disk Space

This section provides examples of how you can quickly reclaim disk space using the Purge Data At and Purge Data After options.

Example 1

You have a high-performance disk with a limited amount free disk space. You can quickly reclaim disk space by specifying a short length of time under the Purge data After option and select the After job starts option. This approach ensures that the purge operation starts shortly after the copy to final destination media operation starts, as opposed to the using the After job ends option, which starts the purge operation after the copy to final destination media operation ends.

Example 2

You have a backup job rotation or a GFS rotation scheme that starts at the same time daily and your high-performance disk maintains a limited amount of unused space. Using the Purge data At option to schedule the purge operation to start before the next backup operation starts. This approach helps to ensure that you have freed enough disk space to prevent the backup job from failing.

Important! If you specify that the data is to be copied to final destination media, Arcserve Backup does not start the purge operation until after the copy to final destination media operation is finished.