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From: rll@netcom.com (Richard L. Lamb)
Subject: SCSI Tape not working
Message-ID: <rllDxHp4L.DK8@netcom.com>
Organization: Netcom Online Communications Services (408-241-9760 login: guest)
References: <32318825.2535557@news.insync.net> <5116q9$90d@uriah.heep.sax.de> <3234a838.44844395@news.insync.net>
Date: Mon, 9 Sep 1996 23:55:33 GMT
Lines: 52
Sender: rll@netcom20.netcom.com
I have a working 2.1 system that I'm trying to add a SCSI controller and
tape to. The system was previously all IDE. I've installed an Adaptec
1542B and a Tandberg 525MB QIC tape drive. I've recompiled the kernel
to include SCSI support, and both the adapter and tape drive are recognized
at boot:
aha0 at 0x330-0x333 irq 10 drq 5 on isa
aha0 waiting for scsi devices to settle
(aha0:4:0): "TANDBERG TDC 3800 G03B" type 1 removable SCSI 1
st0(aha0:4:0): Sequential-Access density code 0x0, 512-byte blocks, write-protected
I've also run MAKEDEV st0:
rlamb: {5} ls -l /dev/*st0*
crw-r----- 2 root operator 14, 2 Sep 9 15:30 /dev/erst0
crw-r----- 2 root operator 14, 2 Sep 9 15:30 /dev/erst0.0
crw-r----- 1 root operator 14, 6 Sep 9 15:30 /dev/erst0.1
crw-r----- 1 root operator 14, 10 Sep 9 15:30 /dev/erst0.2
crw-r----- 1 root operator 14, 14 Sep 9 15:30 /dev/erst0.3
crw-r----- 2 root operator 14, 1 Sep 9 15:30 /dev/nrst0
crw-r----- 2 root operator 14, 1 Sep 9 15:30 /dev/nrst0.0
crw-r----- 1 root operator 14, 5 Sep 9 15:30 /dev/nrst0.1
crw-r----- 1 root operator 14, 9 Sep 9 15:30 /dev/nrst0.2
crw-r----- 1 root operator 14, 13 Sep 9 15:30 /dev/nrst0.3
crw-r----- 2 root operator 14, 0 Sep 9 15:30 /dev/rst0
crw-r----- 2 root operator 14, 0 Sep 9 15:30 /dev/rst0.0
crw-r----- 1 root operator 14, 4 Sep 9 15:30 /dev/rst0.1
crw-r----- 1 root operator 14, 8 Sep 9 15:30 /dev/rst0.2
crw-r----- 1 root operator 14, 12 Sep 9 15:30 /dev/rst0.3
crw------- 1 root wheel 14, 536870912 Sep 9 15:30 /dev/rst0.ctl
crw-rw---- 1 root operator 14, 3 Sep 9 15:30 /dev/st0ctl.0
crw-rw---- 1 root operator 14, 7 Sep 9 15:30 /dev/st0ctl.1
crw-rw---- 1 root operator 14, 11 Sep 9 15:30 /dev/st0ctl.2
crw-rw---- 1 root operator 14, 15 Sep 9 15:30 /dev/st0ctl.3
But any attempt to access the tape via tar or mt just hangs, and after
a minute or so I get these messages:
Sep 9 15:52:25 rlamb /kernel: st0(aha0:4:0): timed out
Sep 9 15:52:29 rlamb /kernel: st0(aha0:4:0): timed out AGAIN
Sep 9 15:54:09 rlamb /kernel: st0(aha0:4:0): timed out
Sep 9 15:54:13 rlamb /kernel: st0(aha0:4:0): timed out AGAIN
The tape drive does an automatic retension when a tape is inserted, so I
don't think the drive is dead. I've also substituted a Tandberg 150MB
drive with the same result. The Adaptec is SCSI ID 7, the tape is
SCSI ID 4. The bus is terminated properly.
Any clues?
Richard Lamb
rll@netcom.com