October 26, 2025Oct 26 I’m seeing lots of disk read error but it’s not failing or anything. Is this bad?Oct 1 10:14:10 Tower kernel: sd 10:0:2:0: [sdh] tag#3169 ASC=0x11 ASCQ=0x0 Oct 1 10:14:10 Tower kernel: sd 10:0:2:0: [sdh] tag#3169 CDB: opcode=0x88 88 00 00 00 00 02 41 75 20 e0 00 00 04 00 00 00 Oct 1 10:14:10 Tower kernel: blk_update_request: critical medium error, dev sdh, sector 9688129888 op 0x0:(READ) flags 0x4000 phys_seg 112 prio class 0 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129824 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129832 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129840 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129848 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129856 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129864 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129872 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129880 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129888 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129896 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129904 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129912 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129920 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129928 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129936 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129944 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129952 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129960 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129968 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129976 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129984 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688129992 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688130000 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688130008 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688130016 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688130024 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688130032 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688130040 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688130048 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688130056 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688130064 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688130072 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688130080 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688130088 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688130096 Oct 1 10:14:10 Tower kernel: md: disk1 read error, sector=9688130104
October 26, 2025Oct 26 Community Expert Please post the diagnostics, but it's logged as a disk problem.
October 26, 2025Oct 26 Author Please see attached. Does this mean disk1 is not in use (yet still green)? tower-diagnostics-20251027-0633.zip
October 27, 2025Oct 27 Community Expert Solution SMART is showing some warnings; run an extended SMART test on that disk.
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