SUMMARY: Stacker Drive

From: Bob Bell (
Date: Tue Feb 04 1997 - 15:28:50 CST

My thanks to: "David A. Harvey" <> who provided the
insight to the actual configuration and my problem (compression). Also
thanks to Jacques Rall <> who reinforced Dave's
suggestion to check the dip switches on the drive.

Changing the DIP switches did the trick. After setting the compression
switch to off - this required opening the external drive case-, I was able
to access the drive as /dev/rmt/2l. Thus solving my problem - making use of
the free hardware.

Thanks to all who responded. I have included the initial post below:

From: Bob Bell[]
Sent: Sunday, February 02, 1997 12:10 AM
Subject: Stacker Drive

I have been given (never turn down free hardware) a Conner 4584NP 4mm DAT 4
tape stacker drive. I am trying to configure it on a Solaris 5.3 Sparc 10.

Here is what I have tried.
I shut the system down and at the >>> promt, I did a probe-scsi.
I get a two line display back for the device...

Target 6 Unit 0 Removable Tape ARCHIVE Python 28849-XXX4.98
          Unit 1 Removable Device Type 8 ARCHIVE Python 28849-XXX4.98

I booted and made the following modifications to the
/kernel/drv/st.conf file.

tape-confing-list =
"ARCHIVE Python 28849-XXX4.98","Archive Python 4mm DAT

ARCH_Python = 1,0x2c,0,0xde39,4,0x00,0x8c,0x8c,0x8c,3;

I then booted with the -r option.

It builds new entries in the /dev/rmt/ directory. Everything seemed normal,
no errors logged during the boot. But, I can't access the drive ... when I
do a mt -f /dev/rmt/2 status, I get /dev/rmt/2 no tape mounted or device

Any ideas?

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