Data Recovery · RAID-5 · Finance · Incident Response
CASE #DR-2891 · RAID-5 array with 3 failed disks · 7 TB financial archive
Monday morning · a bank back-office archive server will not boot. 4× 4 TB Enterprise SAS · RAID-5. First 1 disk died, then a rebuild started, then 2 more disks died. No hot spare. 7 TB of sector-compliance records · a BDDK audit in 5 days. A 48-hour SLA. You will make 11 critical decisions in sequence.
Before you start the scenario
- You are the decision-maker in this incident · every choice leaves time/cost/reputation behind
- There are no wrong answers · just like in real life · but some paths are more expensive
- You can restart it anytime · try different paths
- At the end, a 3-axis score + alternative routes are shown