That's proper backup verification. At a minimum, restore to nearline temp storage. Ideally, backup and verify against hot storage SAN or FS volume snapshots. F

That's proper backup verification. At a minimum, restore to nearline temp storage. Ideally, backup and verify against hot storage SAN or FS volume snapshots. For absolutely business-critical data, I would consider using multiple backup approaches and/or vendors. Shout out to Tarsnap as vital here that every commercial enterprise should use for essential customer, contract, and accounting data.