Maintenance
Backup Verification Drills
Turn “we have backups” into provable restores with checksums, scopes, and honest time estimates.
Hybrid studio 3 weeks · 15 lab hours Associate
540,000 KRW informational until enrollment confirms
Program narrative
Teams rotate through corrupted tarballs, partial database dumps, and permission landmines. Every drill ends with a signed verification snippet suitable for internal quality standards.
What the labs include
- Scope matrix: files vs images vs databases
- Checksum discipline under time pressure
- Tabletop for ransomware partial loss
- Bandwidth math for offsite copies
- Restore rehearsal script shell
- Postmortem template without blame language
- Pair grading on documentation clarity
Outcomes you can show a lead
- Run a timed restore with evidence photos
- List three questions auditors always ask
- Pick a verification frequency that fits risk
Straight FAQ
Vendor appliances?
We discuss dedupe appliances conceptually; labs use open tools.
Cloud object storage?
Lifecycle policies mapped, but accounts stay internal sandbox.
Limitations?
Bare metal tape libraries are not shipped to the classroom.
Recent participant notes
“Partial database dump lab mirrored a real scare we lived through. Checksum drill is now monthly.”
Geon · Internal IT group