Yes, you can determine the device path for a device in a SAN exactly the same way that you do with direct attached devices on a SCSI bus. The SCSI driver level for the FC HBA takes care of this transparently.
For most tape devices -- they will be behind some kind of FC/SCSI router or bridge. Changes to the SAN configuration can screw this up, just as changes to the SCSI bus will screw things up.
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This was first published in August 2002