szoemi Posted April 17, 2022 Share Posted April 17, 2022 (edited) Unraid version 6.9.2 Is this just a fluke? disk2 (sdb) and disk3 (sdg) failed at the same time and were taken off-line. This is part of the system log: Apr 12 20:18:52 SPFBACKUP kernel: md: disk2 read error, sector=9454620576 Apr 12 20:18:52 SPFBACKUP kernel: md: disk2 read error, sector=9454620584 Apr 12 20:18:52 SPFBACKUP kernel: md: disk2 read error, sector=9454620592 Apr 12 20:18:52 SPFBACKUP kernel: md: disk2 read error, sector=9454620600 Apr 12 20:18:52 SPFBACKUP kernel: md: disk3 read error, sector=9454620576 Apr 12 20:18:52 SPFBACKUP kernel: md: disk3 read error, sector=9454620584 Apr 12 20:18:52 SPFBACKUP kernel: md: disk3 read error, sector=9454620592 Apr 12 20:18:52 SPFBACKUP kernel: md: disk3 read error, sector=9454620600 Apr 12 20:19:03 SPFBACKUP kernel: md: disk2 write error, sector=9454620576 Apr 12 20:19:03 SPFBACKUP kernel: md: disk3 write error, sector=9454620576 Apr 12 20:19:03 SPFBACKUP kernel: md: disk2 write error, sector=9454620584 Apr 12 20:19:03 SPFBACKUP kernel: md: disk3 write error, sector=9454620584 Apr 12 20:19:03 SPFBACKUP kernel: md: disk2 write error, sector=9454620592 Apr 12 20:19:03 SPFBACKUP kernel: md: disk3 write error, sector=9454620592 Apr 12 20:19:03 SPFBACKUP kernel: md: disk2 write error, sector=9454620600 Apr 12 20:19:03 SPFBACKUP kernel: md: disk3 write error, sector=9454620600 Previously, disk3 (sdg) issued a SMART warning: Reallocated sector count = 8 disk2 (sdb) had no SMART errors The system log above happens to show 8 errors, the same number as the reallocated sector count of disk2. I may be wrong, but I though 8 reallocated sectors is 'nothing'. What is your expert opinion? Can I safely re-eable these drives? Their warranty ended 2 years ago, they are both Seagate iron wolfe drives, bought at the same time. I have 2 parity drives, and 3 data drives. I am in the process of pre-clearing the failed drives. I it goes well, does it mean they are safe to re-use? The drives are all 8 TB. Edited April 17, 2022 by szoemi Add more info; add pre-clearing of drives. Quote Link to comment
Squid Posted April 17, 2022 Share Posted April 17, 2022 You should post the diagnostics Actual drive failures are exceedingly rare. Usually its because of loose sata cabling Quote Link to comment
szoemi Posted April 17, 2022 Author Share Posted April 17, 2022 Thanks for the reply. I attached two diagnostic files, one was just taken, the other earlier, and shows the read/write errors I mentioned in my post, happening on April 12. spfbackup-diagnostics-20220414-2006.zip spfbackup-diagnostics-20220417-0907.zip Quote Link to comment
JorgeB Posted April 19, 2022 Share Posted April 19, 2022 Apr 12 08:43:22 SPFBACKUP kernel: ata6.00: disabled Apr 12 08:43:22 SPFBACKUP kernel: ata6.00: detaching (SCSI 6:0:0:0) ... Apr 12 08:44:31 SPFBACKUP kernel: ata1.00: disabled Apr 12 08:44:31 SPFBACKUP kernel: ata1.00: detaching (SCSI 1:0:0:0) Both disks dropped offline in the space of a minute, this is usually a power/connection problem, start by checking if they share anything in common, like a splitter. 1 Quote Link to comment
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