capshades Posted September 27, 2023 Share Posted September 27, 2023 (edited) Hi all, Been using unRaid for a few years now, have a very large but basic setup for deep storage/backups that has grown with time. 12 drive array including 1 parity. A couple weeks ago I log in to check on the status and notice one of my drives (#10) has a red X and says emulated. This is an Exos drive that itself is less than 18 months old. I check Google, I find the forum posts about running a long-form SMART test and replacing cables, both of which I do and it passes the long SMART test just fine. No severe temperature spikes above warranty either. With this information, I decide to rebuild on top of the old drive, following the instructions in the unRaid help section. After starting the rebuild, everything seems fine, however after checking a few hours into it, I notice that A: there is no increase in the "write" count for drive #10, and B: now instead there is a continuously increasing "error" count for drive #8. So my question: is the problem with drive #10, #8, both, or neither? Never done a rebuild, only parity checks, and they typically take around 22 hours so this was about 20% into the process. Drive #8 is and always has shown as green status, same age but different production batch number than drive #10. This data isn't remotely valuable, but I'd like to know if I need to replace the drives outright or if giving it a second chance in a rebuild is worth the time. Cheers on the helpful community btw! Edited September 27, 2023 by capshades Quote Link to comment
trurl Posted September 27, 2023 Share Posted September 27, 2023 3 hours ago, capshades said: log in to check on the status Setup Notifications to alert you immediately by email or other agent as soon as a problem is detected. Attach Diagnostics to your NEXT post in this thread. Quote Link to comment
capshades Posted September 27, 2023 Author Share Posted September 27, 2023 Attached. Unfortunately there was a reboot involved since that drive went down. tower-diagnostics-20230927-1656.zip Quote Link to comment
JorgeB Posted September 28, 2023 Share Posted September 28, 2023 If the emulated disk is mounting start a new rebuild and post new diags if there are issues again. Quote Link to comment
trurl Posted September 29, 2023 Share Posted September 29, 2023 16 hours ago, JorgeB said: If the emulated disk is mounting Which we can't know since the array was never started in those diagnostics Quote Link to comment
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