I just witnessed a resilver that took 4h for 27gb of data. Setup is 3x raid-z2
stripes with 6 disks per raid-z2. Disks are 500gb in size. No checksum errors.
It seems like an exorbitantly long time. The other 5 disks in the stripe with
the replaced disk were at 90% busy and ~150io/s each during the resilver. Does
this seem unusual to anyone else? Could it be due to heavy fragmentation or do
I have a disk in the stripe going bad? Post-resilver no disk is above 30% util
or noticeably higher than any other disk.
Thank you in advance. (kernel is snv123)
-J
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