> > ' iostat -Eni ' indeed outputs Device ID on some of
> > the drives,but I still
> > can't understand how it helps me to identify model
> > of specific drive.

Get and install smartmontools.  Period.  I resisted it for a few weeks but it 
has been an amazing tool.  It will tell you more than you ever wanted to know 
about any disk drive in the /dev/rdsk/ tree, down to the serial number.

I have seen zfs remember original names in a pool after they have been renamed 
by the OS such that "zpool status" can list c22t4d0 as a drive in the pool when 
there exists no such drive on the system.

> Why has it been reported as bad (for probably 2
> months now, I haven't
> got around to figuring out which disk in the case it
> is etc.) but the
> iostat isn't showing me any errors.

Start a scrub or do an obscure find, e.g. "find /tank_mointpoint -name core" 
and watch the drive activity lights.  The drive in the pool which isn't 
blinking like crazy is a faulted/offlined drive.

Ugly and oh-so-hackerish, but it works.
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