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Forum Discussion
Simultaneous failure of multiple drives
Been using my ReadyNAS for several years now with no issues. 4x6TB, RAID10. Today I tried to access the volume, and it appeared as empty (no files), but it still showed that 75% of the volume was u...
Thanks for the reply. I'm currently running 6.9.3.
Just an update to this. I powered it back on this morning, and it now shows all 4 discs in red, and the error message says "Remove inactive volumes to use the disk, Disk #1,2,3,4."
And no, I do not have a backup of this. I know there's no guarentee that an entire array won't fail, but that's why I ran a mirrored array, as this was my backup.
I think the next step is to test the drives in a windows PC as described above, and see if they are healthy. Look at the SMART stats after the tests, don't just depend on a "pass" in the diag.
Ok, so I ran the extended tests on all four drives and they all passed. So I'm assuming that means the drives are fine and it was the NAS that failed. What would you recommend for next steps?
And I checked on when I bought the NAS. It's three months out of warranty.
I think the next step is to consider Data Recovery (which will cost).
You can try Netgear's Data Recovery Service - that has the advantage that they might be able to remount the volumes fairly quickly (depending on what is wrong). One aspect is that they charge by the hour with no guaranteed results. https://kb.netgear.com/69/ReadyNAS-Data-Recovery-Diagnostics-Scope-of-Service
Another option is to try ReclaiMe software on the PC. That will show you what can be recovered prior to purchase, but actually recovery is blocked until you buy the software. Once you have the data offloaded, you can rebuild the NAS (factory reset) and reload the data.
Thanks for the help. I'll try first to see what the ReclaiMe software can recover before making a decision. I assume I would have to have all 4 drives hooked up at the same time for it to be able to recover or identify the data, right?
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