Re: "mt" command usage



zdk <nx2zdk@xxxxxxxxx> wrote:
On Mar 26, 12:05 pm, j...@xxxxxxxxxxxxxxxxxxxx wrote:
zdk <nx2...@xxxxxxxxx> wrote:
Dear folk,
I have external tape device connect to Solaris8.But I don't know which
interface in /dev/rmt/ that I can control it via "mt" command.(for
example, mt -f /dev/rmt/xxx status )
it always shows me error: No such device or address
example : /dev/rmt/1mn: No such device or address
Any suggestion or help would be greatly appriciated.

Assuming it is a SCSI device, ls -alF /dev/rmt/? should show links
to things containing st@X, where X is the SCSI address of the
drive, assuming also that the drive is actually configured.

On a Blade 100, you see:

0 -> ../../devices/pci@1f,0/pci@5/scsi@2/st@4,0:
1 -> ../../devices/pci@1f,0/pci@5/scsi@2/st@5,0
2 -> ../../devices/pci@1f,0/pci@5/scsi@2/st@6,0:

I have 3 drives attached.

I just try another script.

# ./checktape.sh
/dev/rmt/0: No such device or address
/dev/rmt/0b: No such device or address
/dev/rmt/0bn: No such device or address
/dev/rmt/0c: No such device or address
/dev/rmt/0cb: No such device or address
/dev/rmt/0cbn: No such device or address
/dev/rmt/0cn: No such device or address
/dev/rmt/0h: No such device or address
/dev/rmt/0hb: No such device or address
/dev/rmt/0hbn: No such device or address
/dev/rmt/0hn: No such device or address
/dev/rmt/0l: No such device or address
/dev/rmt/0lb: No such device or address
/dev/rmt/0lbn: No such device or address
/dev/rmt/0ln: No such device or address
/dev/rmt/0m: No such device or address
/dev/rmt/0mb: No such device or address
/dev/rmt/0mbn: No such device or address
/dev/rmt/0mn: No such device or address
/dev/rmt/0n: No such device or address
/dev/rmt/0u: No such device or address
/dev/rmt/0ub: No such device or address
/dev/rmt/0ubn: No such device or address
/dev/rmt/0un: No such device or address
/dev/rmt/1: No such device or address
/dev/rmt/1b: No such device or address
/dev/rmt/1bn: No such device or address
/dev/rmt/1c: No such device or address
/dev/rmt/1cb: No such device or address
/dev/rmt/1cbn: No such device or address
/dev/rmt/1cn: No such device or address

If /dev/rmt/x exists, all the other things will exist.

If /dev/rmt/x doesn't exist, none of the other things will exist.

You have no drives configured.

Assuming the drive is connected, you either have to do a reconfiguration
boot, or devfsadm -c tape to create the devices if you don't want to or
can't reboot.



--
Jim Pennino

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