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Forum Discussion
ReadyNAS 214 data corruption issue
I am seeing a very strange behaviour that results in corrupted files. My NAS (ReadyNAS 214) has been stable for years, until recently I found a single file had an error revealed via the logs followin...
aks-2 wrote:
Aug 26 17:54:53 NETDISK kernel: BTRFS error (device md124): bdev /dev/md127 errs: wr 95, rd 333, flush 0, corrupt 0, gen 0
Which of course looks bad, and is probably why I am getting corrupted files.
Are you also seeing disk errors? Or just btrfs errors on the RAID array?
No disk errors in the logs, or reported in the dashboard logs page.
aks-2 wrote:
No disk errors in the logs, or reported in the dashboard logs page.
Have you run the disk test from the volume settings wheel lately?
One option is to do a factory reset (or destroy/recreate the volume), and see if the sync succeeds. Are you using X-RAID? Or FlexRAID with multiple volumes.
Recent maintenance has been:
- scrub (two weeks ago)
- disk test (two weeks ago)
- firmware upgrade to 6.10.9 (last week)
- defragmentation (last week)
I am using X-RAID, with 4TB + 4TB + 8TB + 8TB, and been stable for a very long time.
I wondered if the firmware upgrade and/or defragmentation might be the cause, but I observe others (including yourself) at least using 6.10.9.
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