Quick very general question:   How does one determine when it's appropriate to 
refer to one's tape drive in the config files as /dev/nst0 or /dev/st0?  Drive 
is a VXA-2 in a VXA PacketLoader 1x10 1U autochanger, and Exabyte's diags 
identify the autochanger as /dev/sg4 and the drive as /dev/sg3, but read on the 
list earlier that tape drives should be addressed as streaming tape devices 
rather than SCSI generic devices.

I've got the following streaming tape device files in the server, and of them, 
the drive seems to respond well to /dev/nst0 as well as to /dev/st0, but which 
is best to use for this drive?

crw-rw-rw-  1 bacula bacula 9, 128 Sep 26 10:27 /dev/nst0
crw-rw-rw-  1 bacula bacula 9, 224 Sep 26 10:27 /dev/nst0a
crw-rw-rw-  1 bacula bacula 9, 160 Sep 26 10:27 /dev/nst0l
crw-rw-rw-  1 bacula bacula 9, 192 Sep 26 10:27 /dev/nst0m
crw-rw----  1 root   disk   9,   0 Sep 26 10:27 /dev/st0
crw-rw----  1 root   disk   9,  96 Sep 26 10:27 /dev/st0a
crw-rw----  1 root   disk   9,  32 Sep 26 10:27 /dev/st0l
crw-rw----  1 root   disk   9,  64 Sep 26 10:27 /dev/st0m

John J. Felczak
Build & Integration Manager
Siderean Software, Inc.



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