Error on cache disk

After a restart, my pool status shows as Unhealthy.

Ran a scrub next. The 1 error is a read error on the nvme cache drive.

It’s an about 1 month old drive.

I figured I’d try resetting the error and see if it happens again, for now, since it’s just the cache.

When I run zpool clear tank, the error isn’t cleared from my vdev screen.

So if I intend to attempt to keep using this nvme for now, I kind of just need a advice because I’m unsure.. should I just remove the drive from the pool and re add it in the web ui ?? Or is there another way I can clear this one error.

Why do you think you need a cache drive ? Is it a l2arc or a log device ? I would just remove it.

Not really a great answer… lets assume that OP has a valid use case that benefits from caching.

OP, I think you’ve got the right process… one read error on a drive should raise an eyebrow but doesn’t warrant much more action than that. If it happens again, see about RMA’ing the drive. You can clear the error from the shell, do zpool clear tank - zpool-clear.8 — OpenZFS documentation

Intended to be l2arc. I know it’s probably not necessary. Just something I wanted to try. I’ll get rid of it if it really is an issue.

Ai just told me I needed to run this, I didn’t specify my device before.

zpool clear tank /dev/nvme3n1

Did you refresh your VDEV screen?

Ya even restarted the NAS it still showed the 1 error. I accidentally started another scrub. When it finishes I’m going to try again with the device specified

Look in my signature for the link to Drive Troubleshooting Flowcharts. This should help you identify the issue, or at least allow you to provide some detailed information to the group to help you out.

NO !! Not AI.
While that command will clear the errors recorded, it does not clear the actual errors. That link I provided will help you a lot.

I’ve had conversations with ChatGPT about doing things with ZFS. We’re still not there yet. Maybe in the near future, but not today. It spits out half truths and mixes legit things with nonsense.

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