A volume for the backup was identified and backup process is about to
start.
Deleting
This VolumeBackup resource (and its associated artifacts) is in the
process of being deleted.
Failed
The volume backup operation has failed.
Snapshotting
The volume backup operation has begun and is in the initial "snapshot"
phase of the process. Any defined ProtectedApplication "pre" hooks will
be executed before entering this state and "post" hooks will be executed
upon leaving this state.
Succeeded
The volume backup operation has completed successfully.
Unspecified
This is an illegal state and should not be encountered.
Uploading
The snapshot phase of the volume backup operation has completed and
the snapshot is now being uploaded to backup storage.
