Re: Sudden zpool checksums errors
- In reply to: Andrea Venturoli : "Sudden zpool checksums errors"
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Date: Fri, 04 Apr 2025 16:05:37 UTC
On 4/4/2025 11:42 AM, Andrea Venturoli wrote: > Hello. > > I've got a box with two zpools: > _ 1 mirror on 2 SSDs; > _ 1 raidz1 on 12 HDDs. > > Suddenly one daily run showed the following: >> pool: backup >> state: ONLINE >> status: One or more devices has experienced an unrecoverable error. An >> attempt was made to correct the error. Applications are unaffected. >> action: Determine if the device needs to be replaced, and clear the >> errors >> using 'zpool clear' or replace the device with 'zpool replace'. >> see: https://openzfs.github.io/openzfs-docs/msg/ZFS-8000-9P >> scan: scrub repaired 3.18M in 16:53:16 with 0 errors on Tue Apr 1 >> 20:16:55 2025 >> config: I have had marginal power supplies, backplane issues or break out cables from the controller manifest errors like that. I would check the power supply first, backplane next, controller 3rd. Common firmware bugs can cause issues too, but thats relatively rare and usually with SSDs, not HDDs from what I have seen in the past. ---Mike