Symptoms

A Parallels Operations Automation (POA) task fails with this error:

Task name   Remove backup with id '<ID>' of VPS '<HOSTNAME>'
Last execution output   -1 : Failed to get information about backup: <BACKUP_GUID>

Cause

In most cases, the backup has been manually deleted by the customer via Power Panel, or by the provider via the Parallels Virtuozzo Containers (PVC) interface.

Resolution

  1. Locate the appropriate VPS in the POA Control Panel and go to the Backups tab. Note the Stored On value.

  2. Check that the backup is not present on the backup storage node:

    # vzarestore -l -f --storage <STORAGE_NODE> | grep "<BACKUP_GUID>"

    Or, to obtain all backups of a VE:

    # vzarestore -l -f --storage <STORAGE_NODE> | grep -A 6 <VE_NAME>

  3. Use the following queries to find and remove the required backup from the POA database:

    Note: it is highly recommended that you make backups prior to database modification

    plesk=> select * from ve_backups where backup_id = <ID>;
plesk=> begin; delete from ve_backups where backup_id = <ID>;
BEGIN
DELETE 1
plesk=> commit;
COMMIT

    <ID> may be taken from the task parameters.

  4. Re-run the failing task - it should immediately complete.

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