From: Markus Waldorf (waldorfm@rferl.org)
Date: Fri Jan 10 2003 - 09:15:48 EST
Hello,
I'm trying to use an old single DLT 20/40 tape drive (APS not Digital) on an
old DEC 3000 M700 workstation. The device is properly terminated, does not
make any ID conflict and works fine when I boot into OpenVMS 7.2, but it has
trouble when booting into Tru64 v5.1 on the same machine (different HD). Are
there any specific requirements for the drive to be used under Unix?
Unfortunately the vendor does not have appropriate online information, I
cannot locate the manual anymore and did not find any useful info on the
net.
At the console:
>>> sho dev
...
...
MKB300 B/3/0 TAPE RM DLT-4000 CD5A
At the OS:
# hwmgr -show scsi
SCSI DEVICE DEVICE DRIVER NUM DEVICE FIRST
HWID: DEVICEID HOSTNAME TYPE SUBTYPE OWNER PATH FILE VALID PATH
-------------------------------------------------------------------------
18: 0 merlin disk none 2 1 dsk0 [0/1/0]
19: 1 merlin disk none 0 1 dsk1 [0/2/0]
20: 2 merlin cdrom none 0 1 cdrom0 [0/5/0]
21: 3 merlin tape none 0 1 (null)
23: 4 merlin tape none 0 2 tape1 [1/3/0]
As you can see, the tape uses ID 3, but the system somehow involves ID 4.
It seems like other devices look strange too, e.g. cdrom real ID 5, but
Tru64 ID 2, or is it just listing in numerical order? Anyway, no problems
under OpenVMS on the same computer. I cannot use the tape drive under Tru64
(tried all tape device files), Error: no such device or address. Any ideas?
Best regards,
Markus Waldorf
RFE/RL, Inc.
www.rferl.org
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