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RAID 10 not working

  • NAS / RAID
  • Rebuild
  • Storage
Last response: in Storage
September 27, 2009 11:05:47 PM

I have an external SATA drive bay setup with a RAID 10 configuration. The devices manager is saying I need to rebuild drive 3 and drive 1. I have data on the drive that has not been backed up. If I rebuild the two drives, will data be lost?

More about : raid working

a c 415 G Storage
September 28, 2009 1:25:58 AM

In RAID 0+1, if the volume is still usable then you haven't lost any data (yet) and rebuilding the drive shouldn't cause any harm. But being paranoid with RAID systems is a healthy attitude and I'd back up all my data before doing anything.

It's a really good idea to test these kinds of scenarios BEFORE committing your data to a RAID set so you understand what to do when the inevitable glitches arise.
a b G Storage
September 28, 2009 1:41:29 AM

Any chance you can rebuild them one at a time? Rebuild the AID0 drive first.