August 9, 20241 yr Hi, I had a drive remove itself from the pool due to read errors showing contents emulated. I have a new drive arriving today but had to reboot for a different reason and now the drive is showing as not installed? It does show the correct usage of the old disk but wonder if this is going to cause me problems when I install a new drive later?
August 9, 20241 yr Community Expert That means the old disk is not being detected, or the array was started with the disk unassigned.
August 9, 20241 yr Author I never unassigned any disks but the disk is showing in the unassigned section, what is the best way to recover from this please?
August 9, 20241 yr Author 2 minutes ago, JorgeB said: Start by posting the diagnostics. Attached, Many thanks! unraid1-diagnostics-20240809-1236.zip
August 9, 20241 yr Community Expert Solution Disk was already unassigned when the server last booted, I assume this was disk3: Model Family: Toshiba X300 Device Model: TOSHIBA HDWR480 Serial Number: 81G0A0YEFA7H If yes, SMART looks fine, would recommend replacing the cables to rule that out, then rebuild on top: https://docs.unraid.net/unraid-os/manual/storage-management#rebuilding-a-drive-onto-itself Disk is already unassigned, so you just need to re-assign and start the array to rebuild.
August 9, 20241 yr Author OK, thank you, I have a Server rack with SAS backplane so only one cable so hopefully just a "glitch" I have removed and re-inserted so fingers crossed it should be ok! Thanks again, I will do this now 🙂
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