Test for all 8 HDD’s showed
Anything I have to be worried about?
Edit: ignore what I wrote, my bad.
Yes.
SMART is only a tool to try detect pre-fail indications plus logging of errors that happened.
Just because SMART says that a disk is ok, does not mean that it actually is.
ZFS on the other hand is hard data. For whatever reason, 32 sectors could not be read from your disk sda.
But both of those results come from SMART.
Yes. Drives have a certain number of spare sectors, so when they encounter a sector they can’t read, they remap it to one of the spares (so long as enough spares are still available). If the drive can do that, it can still pass the SMART self-test. But unreadable/uncorrectable sectors are still a sign of impending failure. A count in the low single digits doesn’t worry me too much, but yours is high enough I’d be planning to replace the drive ASAP.
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Ok, how to identify which one it actually is?
Says /dev/sda
How can I find out which of the HDD’s or SSD’s /dev/sda is?
In the UI, go to Storage → Disks; that will show you the serial number. Find the disk with the matching serial number.
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