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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...
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.
aks-2 wrote:I am using X-RAID, with 4TB + 4TB + 8TB + 8TB, and been stable for a very long time.
Errors on md124 suggest that you've vertically expanded the volume at least 3 times (md124, md125, md126, and md127 all exist).
Normally I'd expect disk errors to go along with the btrfs errors.
How much free space to you have on the volume?
aks-2 wrote:
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.
I have several ReadyNAS running 6.10.9, and haven't seen any signs of BTRFS problems.
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