> Actually, the SCSI INQUIRY command with EVPD bit on and page code 83 should
> return the VPID of every LU -- this command is used by some SCSI initiators
> and most multipathing drivers to determine whether the same LU has been
> accessed through different paths.
>
> You can find more details in SPC-2 (or SPC-3).
Well, you have to be careful if you want to use that. The Compaq arrays
follows the SPC-2, but some other brands do not officially support it
or use their own format. So if you want to add a multipath/failover driver
in Linux, you'll have to deal array per array.
Frank.
--
Frank Zago - Gresham Enterprise Storage - www.greshamstorage.com
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