L0rdRaiden Posted November 12, 2023 Share Posted November 12, 2023 (edited) I have 2 samsung 990 pro nvme that are a few weeks old in a mirror zfs pool. Now one of them is degraded The problem started with this log Unraid kernel: nvme nvme2: I/O 249 (I/O Cmd) QID 1 timeout, aborting You can see everything in the diagnostics. Is really the HW broken? is there a way to recover it if it's not a hw problem? In scrutiny both drives seems ok unraid-diagnostics-20231112-0959.zip Edited November 12, 2023 by L0rdRaiden Quote Link to comment
itimpi Posted November 12, 2023 Share Posted November 12, 2023 It looks like the second SSD in that pool dropped offline as indicated in your screenshot which is saying it is missing as you started getting I/O errors on it and it does not show up in the SMART reports. You might want to consider power cycling the server to see if that gets it back. It could also be worth checking that it is properly seated. There is always the chance it really has failed. Quote Link to comment
L0rdRaiden Posted November 12, 2023 Author Share Posted November 12, 2023 After a cold boot is working again, I did a scrub and ended ok just in case. But what is the meeaning of CKSUM at 3? do I have to do something else? do I have to be worried about this? Quote Link to comment
JorgeB Posted November 12, 2023 Share Posted November 12, 2023 Click on "zpool clear" then run another scrub. 1 Quote Link to comment
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