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Forum Discussion
ReadyNAS 626 Status Is "Degraded" After Successful Resync
Just added a new HDD and am seeing this message after the resync: Dec 13, 2022 06:33:28 AM
Volume: The resync operation finished on volume data. However, the volume is still degraded. Any i...
nsne wrote:
The sde is the fifth HDD in the array, correct?
Yes. Though you can (and should) confirm this by looking at disk_info.log. That will give you the serial number of the disk - which you can use to make sure you test the right one.
nsne wrote:
I'd rather let the disk test complete before I go noodling around and potentially cause more issues.
Yes, that makes sense. If you have a backup plan in place, it would be good to make sure your backup is up to date.
nsne wrote:
Once that completes (and I'm assuming it could take days), I'll pull the HDD, mount it in a spare PC and run SeaTools. Or is there another diagnostic check you'd recommend?
Seatools would be good.
I'd power down the NAS, pull the disk and double-check the serial number. You can power up the NAS at that point (the volume should be ok, but of course still degraded).
Personally I'd run both the long generic test, and the "erase disk" advanced test. The erase disk test will remove all partitions from the disk. If you don't run that, then use the Windows Disk Manager to delete all the partitions on the disk.
Then put the disk back - hot-insert is fine. The NAS will sync everything again. When it finishes, the volume will expand - it should end up at 68 TB (61.8 TiB)
Thanks, Stephen. Disk 5 just failed the disk test, so that might be why the system was finicky about it. I'll have to arrange an RMA with Seagate.
How do I remove the disk and have the system repair itself?
nsne wrote:
Disk 5 just failed the disk test, so that might be why the system was finicky about it. I'll have to arrange an RMA with Seagate.
If you are still in the return window, exchange it with the seller instead. The seller will give you a new disk with a full warranty. Seagate generally will give you a recertified disk with a one-year warranty.
nsne wrote:
How do I remove the disk and have the system repair itself?
If you just boot up the NAS again w/o disk 5, the data should still be available (and the volume still degraded). But the data is more at risk than usual - another disk failure would result in all your data being lost.
When the replacement arrives, I suggest testing it with Seatools first. I generally use both the full long test, followed by the full erase test. I have sometimes purchased disks that pass one of these tests, but fail the other.
Then just hot-insert it into the NAS.
Is there any way to remove the HDD altogether and have the volume self-heal to redundancy?
I ask because it's going to take a while—two weeks, I'd say, at least—to get a replacement, and I don't want to live with degraded data for a second longer than I have to.
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