SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/tech-backup-restore-testing

What does a restore test prove that a backup job report cannot?

It proves the backup can produce usable recovered data.

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  1. The network is anonymous
  2. Recovery actually works ✔
  3. RAID has no failed disks

Why: A job can report success while files are incomplete, corrupt, encrypted, or missing required configuration. A restore exercise tests the path from stored copy to working recovery.

Huh, didn't know that: Restore tests can also measure whether recovery meets the required time objective.

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The backup aced storage class but still had to pass the restore drill.
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References

Answer: Recovery actually works. A job can report success while files are incomplete, corrupt, encrypted, or missing required configuration. A restore exercise tests the path from stored copy to working recovery.

  1. NIST Backup Files Guide csrc.nist.gov/pubs/other/2020/04/24/protecting-data-from-ransomware-and-other-data-los/final
    Backups of information are conducted, maintained, and tested.
    Checked 2026-10-10.

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