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!