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volume degraded after disk swap on a RN312
Hi there,
I run a RN312 with two 6TB western digital red drives runing x-raid. one of them started having an increasing reallocated sector count, so I replaced it with another drive of the same...
that's right, I did replace it with one of the same type and size...
I did a factory reset and the volume ist healthy again now, "just" need to restore the back up after updating the ssh setup with the newly generated keys....ah well....
thanks for thinking along sandshark & stephenB!
best,
Lorenz
You might try removing the spare and then confirming that you still have access to your data.
Then unformat the spare with Western Digital's lifeguard program in a Windows PC. The quick "write zeros" test will do that nicely.
After that hot-insert that drive into the NAS, and it should re-add it to the array (hopefully not as a spare this time).
thanks a lot for the ideas stephen! I did as you suggested: data was still there after removing the new disk that was only recognized as spare. re-wrote it will all zeros. powered down the RN, reinserted the wiped disk, powered it up again, it synced: same result - volume is still degraded..:-(
on the up side I now have a hard drive docking station to wipe and re-use my old drives..;-)...
I just realized I did deviate from your suggestion in one point: I did not hot-insert the wiped drive as that did not work the 1st time. could that make a difference? if not: any other ideas?
thanks & best,
lorenz
lorenz wrote:
I did not hot-insert the wiped drive as that did not work the 1st time. could that make a difference? if not: any other ideas?
Hot-insertion is better because the NAS detects the insertion. If you insert with the NAS powered down, it needs to figure out that an insertion was done.
The net here though is that the NAS is insisting on marking the drive as a spare. One thing you could try (painful) is to do a factory reset with both drives in place. After a successful RAID sync you'd have to restore the data from backup.
You could also try paid support via my.netgear.com.
hot insertion did not help either. will backup my config and try moving from x-raid to flex-raid and report back if that makes the RN include the 2nd disk again. if I do not report back on this thread again, I will have resorted to going back to factory settings...:-/
thanks for attempting to help!
cheers,
lorenz
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