October 7, 2025Oct 7 Looks like I have had my first disk fail. I got this alert yesterdaySubject: Alert [TOWER] - Disk 8 in error state (disk dsbl)Description: Hitachi_HUS724030ALE641_P8G50X2P (sdc)Importance: alertI've tried to run a SMART test in the webapp but the test doesn't run and when i download the logs i get this:smartctl 7.4 2023-08-01 r5530 [x86_64-linux-6.1.106-Unraid] (local build)Copyright (C) 2002-23, Bruce Allen, Christian Franke, www.smartmontools.orgSmartctl open device: /dev/sdc failed: No such deviceWhat are my next steps?
October 7, 2025Oct 7 Community Expert Disk dropped offline, hence why there's no SMART. That's typically a power/connection issue. Check/replace the cables; the drive should come back online, then post new diags to see SMART
October 8, 2025Oct 8 Author I powered it off and switched the power and sata cables. Its running an extended test now, but here is the short self test results:tower-smart-20251007-2341.zip
October 8, 2025Oct 8 Author The extended SMART ran last night I think its clean...tower-smart-20251008-0815.zipbut I'm not sure. The self test history runs all say "Completed without error"but the attributes tab on the disk has an elevated reallocated sector count:Does this mean that the disk is on the way out?
October 8, 2025Oct 8 Community Expert Disk passed the extended SMART test, so it's OK for now. Those reallocated sectors are probably not new, but if they keep increasing, it's not a good sign.
October 8, 2025Oct 8 Author Tried to add it back into the array but the data rebuild failed. I also tried to plug the disk into a different sata port on the mobo when i swapped out the cables. tower-diagnostics-20251008-1507.zip
October 8, 2025Oct 8 Community Expert 25 minutes ago, cobolstinks said:I also tried to plug the disk into a different sata port on the mobo when i swapped out the cables.If it still failed after this, and assuming you swapped both cables, recommend replacing the disk.
October 8, 2025Oct 8 Author 47 minutes ago, JorgeB said:If it still failed after this, and assuming you swapped both cables, recommend replacing the disk.yup swapped sata and power cables, even tried a new sata port on the mobo. I ordered a replacement. Thanks!
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