Maurilio Longo wrote:
I did try to use smartmontools, but it cannot report SMART logs nor start
SMART tests, so I don't know how to look at their internal state.
Really? That's odd...
You could also have a firmware bug on your disks. You might try lowering
the number of tagged commands per disk and see if that helps at all.
from man marvell88sx I read that this driver has no tunable parameters, so I
don't know how I could change NCQ depth.
ZFS has a per block device outstanding IO tunable - I think it's in the evil
tuning guide.
--
Carson
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