I have an LSI 1068E SAS controller connected to 6 disk shelves across it's two 
channels. I'd like to create some sort of sane mapping between the actual disk 
location and the OpenSolaris cXtXdXsX number (as a sanity check when replacing 
a failed disk in my ZFS array, for example). I've configured persistent 
bindings with FC many times but never with SAS.

Is this possible with SAS? How and where would I specify this? 
/kernel/drv/sd.conf? /kernel/drv/sas_mpt.conf?

The specific disk I am testing this move with shows up in prtpicl as:
-pci8086,25f8 (pciex, cd00000307)
--pci8086,32c (pci, cd0000032f)
---pci1028,1f04 (obp-device, cd00000354)
----sd (block, cd000008fd)

In prtconf it shows up as:
                    sd, instance #42

Is there another, better way I should be trying to do this?
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