To NAS or not to NAS.
Received a hard drive from a failed RAID configuration. Upon troubleshooting found issues with media. Requested the missing drive and also received the controller. It was a WD unit. Diagnosed the second drive, it was in much worse shape. Upon checking log in controller, found there was a warning a few months back to change the failing drive. Don’t know why warning was ignored.
To make things more interesting, a recovery attempt was made by someone else and during that attempt data was written to one of the drives. Fortunately that did not affect important areas of the drive. Also one drive was encrypted, and customer did not remember encryption key. No key no data I messaged. Eventually key was found, and I could now proceed. Data was recovered onto new media.
RAID setup should not be viewed as a backup, and so separate backup of data should be made. Keep encryption key in a safe and readily accessible location. In the case of the this unit, where there were only two drives, best to use RAID 1 configuration, if data is valuable. Don’t ignore warning to replace disk if controller issues such.
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