September 15, 20223 yr I was rebuilding a disabled disk (#13) and into the disk rebuild process I noticed another data disk (#5) with read errors. I paused the rebuild operation and then ensured the breakout cable was seated into the disk 5 cage and I also pulled disk 5 from the cage and re-seated it. Now when I attempt to resume the disk rebuild or cancel the disk rebuild, nothing occurs, the rebuild operation remains paused. I've attached diagnostics and a screenshot of the GUI interface. Any recommendations? artoo-detoo-diagnostics-20220914-2109.zip
September 15, 20223 yr Community Expert 3 hours ago, moose said: I paused the rebuild operation and then ensured the breakout cable was seated into the disk 5 cage and I also pulled disk 5 from the cage and re-seated it. You did all this under power? Probably something didn't work with this "hotswap" operation. Probably safer to reboot and start rebuild over anyway. You should add custom SMART attributes 1 and 200 for monitoring on WD disks. Your disk13 has some on both of those. No SMART report for disk5 (sdk) in those diagnostics. Syslog seemed to indicate an actual disk problem. See if you can get disk5 to show up, reboot and post new diagnostics.
September 16, 20223 yr Author 20 hours ago, trurl said: You did all this under power? Probably something didn't work with this "hotswap" operation. Probably safer to reboot and start rebuild over anyway. You should add custom SMART attributes 1 and 200 for monitoring on WD disks. Your disk13 has some on both of those. No SMART report for disk5 (sdk) in those diagnostics. Syslog seemed to indicate an actual disk problem. See if you can get disk5 to show up, reboot and post new diagnostics. Yes, all was done with the system on. I enabled Smart attributes 1 and 200 or 1 for all WD disks (some WD did not have SMART attribute 200). I was able to do a clean shut down through the GUI. I rebooted and disk 5 is disabled (disk 13 is emulated and ready for data rebuild). I ran a short self test on disk 5 and it passed, now am running an extended test on disk 5. Attached are new diagnostics. I will wait for the extended test to complete and advice before proceeding. Array is not started. artoo-detoo-diagnostics-20220915-2103.zip Edit: The extended test failed for disk 5. The SMART report is attached. artoo-detoo-smart-20220915-2133.zip Edited September 16, 20223 yr by moose
September 16, 20223 yr Community Expert Can't tell if anything mounts until you start the array. After extended test complete, start the array and post new diagnostics so we can see if the emulated disks are mountable before proceeding with rebuild.
September 16, 20223 yr Author The extended test on disk 5 failed. Attached are new diagnostics with the array started. artoo-detoo-diagnostics-20220915-2230.zip
September 16, 20223 yr Community Expert Replace disk5, disk13 is also showing some issues but since the SMART test passed you might want to keep it for now.
September 16, 20223 yr Author Will do. Thank you JorgeB and trurl for your help! Very appreciated! I ran another extended SMART test on disk 13 and it failed, so I ended up replacing both disk 5 and 13. The data rebuild on both disks completed successfully. The problem is fixed and I'm up and running again! Thank you!! Edited September 18, 20223 yr by moose
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