Detailed status of the backup per partition of this physical tenant. Contains every partition of the tenant when the backup id was looked up directly, including for a tenant that holds no such backup. Empty for a tenant that holds nothing for a listed id: a listing asks each tenant for the backups it has, so there is nothing to report per partition for one it does not.
Reason for failure if the state is 'FAILED'.
The id of the physical tenant.
The state of the backup on this physical tenant, aggregated over its partitions.
What a single physical tenant reports for a runtime backup id.