July 7, 20224 yr Hi there. This question looks fairly similar to one asked v. recently but I'm not savvy enough to know if it's the same... The other day one of my drives reported errors and is flagged as "disabled": I've run SMART short and extended tests on it which both returned without error, as well as the array Read Check - I'm not sure where to look to see more about these errors. In the syslog I can see a load of these: Jul 1 03:06:34 Beehouse kernel: blk_update_request: I/O error, dev sde, sector 1845904344 op 0x1:(WRITE) flags 0x800 phys_seg 94 prio class 0 Jul 1 03:06:34 Beehouse kernel: md: disk3 write error, sector=1845904280 Jul 1 03:06:34 Beehouse kernel: md: disk3 write error, sector=1845904288 Jul 1 03:06:34 Beehouse kernel: md: disk3 write error, sector=1845904296 Jul 1 03:06:34 Beehouse kernel: md: disk3 write error, sector=1845904304 Jul 1 03:06:34 Beehouse kernel: md: disk3 write error, sector=1845904312 Jul 1 03:06:34 Beehouse kernel: md: disk3 write error, sector=1845904320 Jul 1 03:06:34 Beehouse kernel: md: disk3 write error, sector=1845904328 Jul 1 03:06:34 Beehouse kernel: md: disk3 write error, sector=1845904336 Jul 1 03:06:34 Beehouse kernel: md: disk3 write error, sector=1845904344 Jul 1 03:06:34 Beehouse kernel: md: disk3 write error, sector=1845904352 Jul 1 03:06:34 Beehouse kernel: md: disk3 write error, sector=1845904360 Jul 1 03:06:34 Beehouse kernel: md: disk3 write error, sector=1845904368 Jul 1 03:06:34 Beehouse kernel: md: disk3 write error, sector=1845904376 Jul 1 03:06:34 Beehouse kernel: md: disk3 write error, sector=1845904384 Jul 1 03:06:34 Beehouse kernel: md: disk3 write error, sector=1845904392 Diagnostics attached. The drive in question is mainly just used as my TimeMachine backup. The box doesn't have anything non-standard in it (controller cards, etc) - it's just a Lenovo TS140 using the mainboard connectors, that's been ticking away nicely for years. Any ideas what I should try next? diagnostics-20220707-1631.zip
July 7, 20224 yr Community Expert It's not logged as a disk problem and the disk looks healthy, so most likely a power/connection problem, if the emulated disk is mounting and contents look correct I would recommend checking/replacing cables/slot first then rebuild on top. https://wiki.unraid.net/Manual/Storage_Management#Rebuilding_a_drive_onto_itself
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