I've recently experienced a significant data loss on my RAID1 array. After a system crash during a heavy rendering task, I noticed that the files created in the last few hours were corrupted, and on a subsequent reboot, my RAID volume disappeared. One of the drives appeared offline, and while I managed to get it back online and rebuild the array, it restored an outdated version of my data from August. I suspect my setup with Intel RST and the caching settings may be to blame, and I'm trying to understand what went wrong to prevent this in the future. Could this be a result of overheating or misconfiguration? What steps can I take to better manage my RAID setup and recover data if this happens again?
4 Answers
Honestly, your biggest issue here is the lack of backups since August. Set up a solid backup plan moving forward. Data recovery is much easier when you have backups to rely on.
Here's a little haiku to sum it up:
Intel RST
It fails every time for thee
It is junk, you'll see.
It seems like the drive you forced back online was actually failing since August. The other drive likely contained your recent data, but forcing the online operation may have compromised your chances of recovery. Have you checked if NVME drives support SMART monitoring? That could help in monitoring their health better.
Avoid using Intel's RAID solution if you can; it's known for causing problems. Consider switching to software RAID or a dedicated RAID card. It might provide you with better reliability and recovery options in the future.
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