Is it possible to programmatically determine what the device path of a device in a SAN is for a host? Is it possible...
By submitting your email address, you agree to receive emails regarding relevant topic offers from TechTarget and its partners. You can withdraw your consent at any time. Contact TechTarget at 275 Grove Street, Newton, MA.
to definitely say that a tape device in a SAN is /dev/rmt0 on a host and if not, why not? Is this possible when the device is directly connected to the system?
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.
Editor's note: Do you agree with this expert's response? If you have more to share, post it in one of our .bphAaR2qhqA^0@/searchstorage>discussion forums.
Dig Deeper on SAN management
Related Q&A from Marc Farley
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.