spall Posted December 20, 2023 Share Posted December 20, 2023 I created a new cache pool and am migrating data from the old pool->array and then plan on migrating to the new pool. Moments after I started the Mover I got this: Dec 19 20:40:42 spock kernel: critical medium error, dev sdab, sector 3907733680 op 0x0:(READ) flags 0x0 phys_seg 2 prio class 2 Dec 19 20:40:42 spock kernel: md: disk8 read error, sector=3907733616 Dec 19 20:40:42 spock kernel: md: disk8 read error, sector=3907733624 /dev/sdab is a drive inside the array. SMART shows nothing out of the ordinary, and those are the only log entries (so far) for that drive. I do have a few larger capacity drives on hand that I've been meaning to swap in, so I don't mind replacing that one. Should I go ahead and do that? I've just never seen (to my recollection) a critical "medium" error before. No idea what that could mean. Thanks for reading! Quote Link to comment
JorgeB Posted December 20, 2023 Share Posted December 20, 2023 Please post the diagnostics. Quote Link to comment
spall Posted December 20, 2023 Author Share Posted December 20, 2023 Sure thing. Attached. spock-diagnostics-20231220-0532.zip Quote Link to comment
JorgeB Posted December 20, 2023 Share Posted December 20, 2023 It's logged as a disk problem, run an extended SMART test on disk8 Quote Link to comment
spall Posted December 21, 2023 Author Share Posted December 21, 2023 @JorgeB Thanks, as usual, for the feedback. Doing that thing now. Will report back when it finishes sometime in 2027. Quote Link to comment
spall Posted December 21, 2023 Author Share Posted December 21, 2023 Finished without error. You think just treat it as an anomaly? Quote Link to comment
Solution JorgeB Posted December 21, 2023 Solution Share Posted December 21, 2023 If the test passed disk is OK for now, keep monitoring. Quote Link to comment
spall Posted December 21, 2023 Author Share Posted December 21, 2023 @JorgeB Thanks! Quote Link to comment
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