5-Drive RAID 5 Failure — Dubai Media Company
The Situation
Two simultaneous drive failures during a rebuild operation caused the array to go offline, rendering approximately 16 TB of video production assets inaccessible.
The Challenge
The failed rebuild had partially overwritten parity data on a third drive, significantly complicating the recovery. The client required the original folder structure to be preserved to meet a broadcast delivery deadline.
Our Approach
Each drive was individually imaged to a forensic copy before any reconstruction was attempted. Our engineers analysed the RAID parameters — stripe size, rotation, and parity layout — and rebuilt the array virtually from the imaged copies. Partial overwrite damage was addressed through sector-level reconstruction.
The Outcome
Full recovery of all 16 TB of video assets with the original directory structure intact. Data was delivered within 72 hours of case intake.
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