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PowerProtect Data Manager 19.11 SAP HANA User Guide

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Delete backup copies

In addition to deleting backups upon expiration of the retention period, PowerProtect Data Manager enables you to manually delete backup copies from protection storage.

About this task

If you no longer require a backup copy and the retention lock is not enabled, you can delete backup copies prior to their expiration date.

Starting with PowerProtect Data Manager version 19.6, you can perform a backup copy deletion that deletes only a specified part of a backup copy chain, without impacting the ability to restore other backup copies in the chain. When you select a specific backup copy for deletion, only that backup copy and the backup copies that depend on the selected backup copy are deleted:

  • When you select to delete a full backup copy, any other backup copies in the chain that depend on the full backup copy are also deleted.

    NOTE

    You can delete a full backup copy only if an archive log exists and the previous full backup copy is available. If you delete a full backup of an incomplete chain, you cannot restore the whole chain until you perform the next full backup.

    Deletion of the last remaining full backup from DD does not delete the entry for that backup in the SAP HANA catalog. This behavior applies to both scheduled deletion and manual deletion operations.

  • When you select to delete an incremental backup copy, any incremental backup copies that depend on the selected incremental backup copy are also deleted. The whole backup chain is not deleted.
  • When you select to delete a differential backup copy, any incremental backup copies that depend on the selected differential backup copy are also deleted. The whole backup chain is not deleted.

  • When you select to delete a log backup copy, any other log backup copies that depend on the selected log backup copy are also deleted. The whole backup chain is not deleted.

    NOTE Deletion of log backups might affect a point-in-time restore that depends on those log backups.

Regarding expired copy deletion for a backup chain, the full backup expires last. The other incremental, differential, and log backups can be expired and deleted earlier:

  • The full backup expires only when every other backup in the chain has expired.
  • A differential backup expires only when all the incremental backups that depend on it have expired.
  • An incremental backup expires when its retention time expires.
  • A log backup expires only when all the log backups that depend on it have expired.

Steps

  1. From the PowerProtect Data Manager UI, select Infrastructure > Assets.
  2. From the Assets window, select the tab for the asset type for which you want to delete copies. If a policy has been assigned, the table lists the assets that have been discovered, along with the associated protection policy.
  3. Select a protected asset from the table, and then click View Copies. The Copy Locations pane identifies where the backups are stored.
  4. In the left pane, click the storage icon to the right of the icon for the asset, for example, DD. The table in the right pane lists the backup copies.
  5. Select one or more copies from the table that you want to delete from the DD system, and then click Delete.

    A preview window opens and displays the selected backup copies.

    NOTE For assets with backup copies that are chained together such as SAP HANA databases, the preview window lists all the backup copies that depend on the specified backup copy. If you delete a backup copy, PowerProtect Data Manager deletes the specified backup copy and all backup copies that depend on the specified backup copy.
  6. For all asset types, you can choose to keep the latest backup copies or delete them. By default, PowerProtect Data Manager keeps the latest backup copies. To delete the latest backup copies, clear the check box next to Include latest copies.
  7. To delete the backup copies, in the preview window, click Delete.
    NOTE The delete operation may take a few minutes and cannot be undone.

    An informational dialog box opens to confirm the copies are being deleted. To monitor the progress of the operation, click Go to Jobs. To view the list of backup copies and their status, click OK.

    NOTE If the data deletion is successful but the catalog deletion is unsuccessful, then the overall deletion job status appears as Completed with Exceptions.

    When the job completes, the task summary provides details of each deleted backup copy, including the time that each copy was created, the backup level, and the retention time. The time of copy creation and the retention time are shown in UTC.

    An audit log is also generated and provides details of each deleted backup copy, including the time that each copy was created, the backup level, and the retention time. The time of copy creation and the retention time are shown in UTC. Go to Alerts > Audit Logs to view the audit log.

  8. Verify that the copies are deleted successfully from protection storage. If the deletion is successful, the deleted copies no longer appear in the table.

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