tape changer

From: Justin Fletcher (justin.fletcher@murraystate.edu)
Date: Sat Nov 20 2004 - 16:08:50 EST


I have a Quantum ATL Superloader DLT1 tape device connected to a v480
running Solaris 9. Currently I can write to the tapes on the device,
but I am having trouble configuring the changer. From what I
understand this device uses different LUN's on the same SCSI channel
for the drive and the changer. From what I have gathered so far the
drive is on Lun 0 and I believe the changer should be on LUN 1. I have
been messing with both the st and sgen drivers trying to get the system
to see the changer, but only unsuccessfully so far.

dmesg shows this:
Nov 20 14:29:46 phoenix scsi: [ID 365881
kern.info] /pci@8,600000/pci@2/scsi@5/st@5,0 (st12):
Nov 20 14:29:46 phoenix <Benchmark DLT1>

This is my st.conf (everything else is commented out):
name="st" class="scsi" target=0 lun=0;
name="st" class="scsi" target=1 lun=0;
name="st" class="scsi" target=2 lun=0;
name="st" class="scsi" target=3 lun=0;
name="st" class="scsi" target=4 lun=0;
name="st" class="scsi" target=5 lun=0;
name="st" class="scsi" target=6 lun=0;

name="st" class="scsi" target=0 lun=1;
name="st" class="scsi" target=1 lun=1;
name="st" class="scsi" target=2 lun=1;
name="st" class="scsi" target=3 lun=1;
name="st" class="scsi" target=4 lun=1;
name="st" class="scsi" target=5 lun=1;
name="st" class="scsi" target=6 lun=1;

And here is my sgen.conf:
device-type-config-list="changer"
name="sgen" class="scsi" target=0 lun=0;
name="sgen" class="scsi" target=1 lun=0;
name="sgen" class="scsi" target=2 lun=0;
name="sgen" class="scsi" target=3 lun=0;
name="sgen" class="scsi" target=4 lun=0;
name="sgen" class="scsi" target=5 lun=0;
name="sgen" class="scsi" target=6 lun=0;
name="sgen" class="scsi" target=7 lun=0;
name="sgen" class="scsi" target=8 lun=0;
name="sgen" class="scsi" target=9 lun=0;
name="sgen" class="scsi" target=10 lun=0;
name="sgen" class="scsi" target=11 lun=0;
name="sgen" class="scsi" target=12 lun=0;
name="sgen" class="scsi" target=13 lun=0;
name="sgen" class="scsi" target=14 lun=0;
name="sgen" class="scsi" target=15 lun=0;

name="sgen" class="scsi" target=0 lun=1;
name="sgen" class="scsi" target=1 lun=1;
name="sgen" class="scsi" target=2 lun=1;
name="sgen" class="scsi" target=3 lun=1;
name="sgen" class="scsi" target=4 lun=1;
name="sgen" class="scsi" target=5 lun=1;
name="sgen" class="scsi" target=6 lun=1;
name="sgen" class="scsi" target=7 lun=1;
name="sgen" class="scsi" target=8 lun=1;
name="sgen" class="scsi" target=9 lun=1;
name="sgen" class="scsi" target=10 lun=1;
name="sgen" class="scsi" target=11 lun=1;
name="sgen" class="scsi" target=12 lun=1;
name="sgen" class="scsi" target=13 lun=1;
name="sgen" class="scsi" target=14 lun=1;
name="sgen" class="scsi" target=15 lun=1;

Any help, tips, or pointers would be much appreciated.

Thanks,
-Justin
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