February 23, 20251 yr I hate that I can never seem to figure these out without asking for help. But people are always super helpful about telling me HOW to fix it, if never giving me any idea of what to search for in the diagnostics to look for these things... I am sure there are keywords to search for or a tool to parse the diagnostics in a way to make them a little easier to grok. EITHER WAY, here is my latest (self inflicted) issue. Array was FINE, needed SPACE. I order a 14tb reman'd drive from amazon to try... they were cheap atm and have a 3yr warranty, so figure try... other than the SMR drives I have, usually if it lasts the first year its good for 5 or more... just my experience. Anyway, that drive was DOA. While I had my case open and the drive wouldn't work, I had accidentally removed the power... everything was fine... about 10 mins later, I figured with no power there shouldn't be a problem pulling the data wire... wrong. None of the other drives were touched or bothered in any way... didn't want to even touch the cables.. Disk 4 dropped anyway. I have powered down, reseated the cables, etc... last time I had a similar problem, running the repair in maint mode fixed and then there was a way to add it back.. I just don't recall the steps and some things have... SO - I would LIKE to get disk4 back online, and then add my replacement 14tb as disk6 when it arrives. However, if I have to, I suppose I could replace disk4 with the 14tb and REBUILD, then decide if I am going to keep that 8tb SMR drive in there at all... (the plan is to get all of those 8tb SMR drives out of there this year, I just can only do one every couple of months...) Thanks so much in advance, I wish I had more time to re-read and edit my text up there, but wouldn't get this posted before heading out for dinner, and am hoping to get working on this later tonight... so, apologies if long winded and scattered, it was really stream of consciousness.. -G Unconfirmed 801928.crdownload
February 23, 20251 yr Community Expert You posted diagnostics before they finished downloading. They should be a .zip file
February 23, 20251 yr Community Expert I was able to open it anyway but not sure it is complete. Did you reboot before getting those diagnostics? Can't see what happened before reboot that might have disabled disk4. Emulated disk4 is mounted and seems to have its data. Physical disk4 seems OK, some UDMA CRC suggesting connection problems. You can click on the SMART ( 👎 ) warning for that disk on the DASHBOARD page to acknowledge and it will warn again if it increases. Do any of your other disks show SMART warning on the DASHBOARD?
February 23, 20251 yr Author Sorry about the diags, I was rushing. Yes, I had rebooted. The system didn't lockup or crash, it just started emulation disk 4 when I unplugged the DOA disk (it wasnt hot swappable, just regular HBA-4way sata cable) that wasn't in the array, it still affected it. The only time I had CRC errors keep growing was a bad cable set, since replacing these I had not had the issue, but figured messing with another connection while powered on was the cause... I am just trying to get that disk back working again. I cleared it on the dashboard. It SEEMS like to clear the dread red x previously, I had to set the device to "unassigned" and restart the array... then stop it... then add the disk back... then start... I am trying that now. EDIT: yeah, it seems like that is just going to rebuild it from the parity, I haven't pulled the trigger in case you tell me there is a way to get it back in place, so I am leaving it unassigned so it stays emulated until you tell me I have to rebuild it ezra-diagnostics-20250223-0330.zip Edited February 23, 20251 yr by Garbonzo
February 23, 20251 yr Community Expert Since the emulated disk is mounting and assuming contents look correct, you can rebuild, since there are CRC errors, it may be worth replacing the SATA cable for the disable disk, to rule that out if it gets disabled again.
February 23, 20251 yr Community Expert Solution 4 hours ago, Garbonzo said: set the device to "unassigned" and restart the array... then stop it... then add the disk back... then start which is just like it says in the docs https://docs.unraid.net/unraid-os/manual/storage-management/#rebuilding-a-drive-onto-itself I don't see any point in the 7. (optional) start in Maintenance mode. It just means the server can't be used for anything until rebuild completes.
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