zpool(1M) has a very handy option to display physical disk locations on some hardware.
cwafseng3 $ zpool status -l cwafseng3-0
pool: cwafseng3-0
state: ONLINE
scan: scrub canceled on Thu Apr 12 13:52:13 2012
config:
NAME STATE READ WRITE CKSUM
cwafseng3-0 ONLINE 0 0 0
raidz1-0 ONLINE 0 0 0
/dev/chassis/i86pc.unknown/HDD02/disk ONLINE 0 0 0
/dev/chassis/i86pc.unknown/HDD23/disk ONLINE 0 0 0
/dev/chassis/i86pc.unknown/HDD22/disk ONLINE 0 0 0
/dev/chassis/i86pc.unknown/HDD21/disk ONLINE 0 0 0
/dev/chassis/i86pc.unknown/HDD20/disk ONLINE 0 0 0
/dev/chassis/i86pc.unknown/HDD19/disk ONLINE 0 0 0
/dev/chassis/i86pc.unknown/HDD17/disk ONLINE 0 0 0
/dev/chassis/i86pc.unknown/HDD15/disk ONLINE 0 0 0
errors: No known data errors
cwafseng3 $
The HDDXX entries directly correspond to the physical slots, in this case in Sun x4270M2 server.
Compare it to the standard output:
cwafseng3 $ zpool status cwafseng3-0
pool: cwafseng3-0
state: ONLINE
scan: scrub canceled on Thu Apr 12 13:52:13 2012
config:
NAME STATE READ WRITE CKSUM
cwafseng3-0 ONLINE 0 0 0
raidz1-0 ONLINE 0 0 0
c3t5000CCA00AC87F55d0 ONLINE 0 0 0
c3t5000CCA00AAA0D1Dd0 ONLINE 0 0 0
c3t5000CCA00AA95559d0 ONLINE 0 0 0
c3t5000CCA00AAAD155d0 ONLINE 0 0 0
c3t5000CCA015214845d0 ONLINE 0 0 0
c3t5000CCA015214F85d0 ONLINE 0 0 0
c3t5000CCA01521070Dd0 ONLINE 0 0 0
c3t5000CCA0151A287Dd0 ONLINE 0 0 0
errors: No known data errors
cwafseng3 $
See also croinfo(1M) for how to get this information (and more) for all disk drives regardless if they are part of zpool or not.
