device name in unix

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# 1  
Old 03-29-2001

We take tape backup regularly. We refer to the tape drive by some typical name /dev/rmt/c201d1. What does it signify? The same type of name is used for the CDROM drive. How one can find out the name used to refer the device drive? Can one change this?
# 2  
Old 03-29-2001
the name c2t1d1 or whatever refers to the scsi address of the device (the controller,target,and device). You cannot rename it, but you can make a link. Something like:

ln -s /dev/rmt/c2t1d1 /dev/tape4mm

So that you could then refer to the device as /dev/tape4mm. Choose whatever name you think is appropriate. It is usually best to keep the link in /dev
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