I had the same type of problem when I tried to add a 2nd DDS-3 autochanger
onto the same bus as the 1st one.  They refused to work on the same bus (and
I did check the SCSI ID's many times).  I had HP replace both units twice to
no avail.  I finally just moved the 2nd DDS unit to a different bus and all
works now.  HP could not explain why this happened.  I just wrote it off as
"one of those computer things" and moved on...

David Knispel
[log in to unmask]
Phone: 513-248-5029
Fax: 513-248-2672



-----Original Message-----
From: HP-3000 Systems Discussion [mailto:[log in to unmask]]On
Behalf Of Bill Towe
Sent: Thursday, August 22, 2002 11:50 AM
To: [log in to unmask]
Subject: [HP3000-L] Tape drive problem:


I'm currently running a 987/150 system.  Two days ago, I lost a DDS II DAT
Drive that is located in the system chassis disk cage.  Luckily, for my back
up, I had a DDS I DAT drive mounted just below it.

I have since tried to replace the DDS II with a new DDS II (exact same DAT
with same jumper settings).  Below are the "un"results.  I'm not sure why I
am getting the trouble that I have here.  Any help would be appreciated!
Thanks:

 Hopefully these details can help figure out why the 2 tape drives
weren't happy when they were plugged in at the same time:

SCSI Bus: 52
Ldev 7: 52.0.0
Ldev 8: 8.0.7 (completely different bus)
Ldev 9: 52.1.0
Ldev 1: 52.6.0

Ldev 7 = DDS1
Ldev 9 = DDS2

Tests Performed:
1)With only Ldev 7 connected to the first block of the controller cable,
the device was Okay and recognized as Ldev 7

2)With only Ldev 9 connected to the first block of the controller cable,
the device was Okay but recognized as Ldev 7

3)With Ldev 7 connected to the first block and Ldev 9 connected to the
second
block
     - 1st attempt... system came up, both drives showed configured but not
available
     - 2nd attempt.... system hung after seeing the message "Path 52.0.0
configured on the system"

Currently... Only Ldev 7(DDS1) is connected and functioning

-Bill Towe
BlueLine Services
(972) 241-1912
(972) 241-3074 fax
www.bluelineservices.com

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