The following error shows up when checking a zpool group. This article describes the issue.
Zpool Error on Disk:
$ zpool status pool: myzpool state: DEGRADED status: One or more devices are faulted in response to persistent errors. Sufficient replicas exist for the pool to continue functioning in a degraded state. action: Replace the faulted device, or use 'zpool clear' to mark the device repaired. scan: resilvered 2.73G in 00:01:51 with 0 errors on Thu Sep 22 17:50:48 2022 config: NAME STATE READ WRITE CKSUM myzpool DEGRADED 0 0 0 mirror-0 DEGRADED 0 0 0 ata-WDC_WD2002FFSX-68PF8N0_WD-WCC6N7PRY8JJ FAULTED 0 18 2 too many errors ata-WDC_WD2002FFSX-68PF8N0_WD-WCC6N7PRY1VJ ONLINE 0 0 0
Check the disks in the “Disk” Program in Ubuntu > Activities > Search for Disks.
Run the smart data tests:
To remove errors (assuming the drive has not failed…) run:
zpool clear myzpool
sudo zpool status pool: myzpool state: ONLINE status: Some supported and requested features are not enabled on the pool. The pool can still be used, but some features are unavailable. action: Enable all features using 'zpool upgrade'. Once this is done, the pool may no longer be accessible by software that does not support the features. See zpool-features(7) for details. scan: resilvered 8.00G in 00:01:47 with 0 errors on Thu Sep 22 19:03:04 2022 config: NAME STATE READ WRITE CKSUM myzpool ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 ata-WDC_WD2002FFSX-68PF8N0_WD-WCC6N7PRY8JJ ONLINE 0 0 0 ata-WDC_WD2002FFSX-68PF8N0_WD-WCC6N7PRY1VJ ONLINE 0 0 0
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