SUMMARY: 4mm tape capacity and st.conf

From: Jayant Ramakrishnan (
Date: Tue Dec 21 1999 - 14:53:23 CST

I found another tape drive : HP DDS-3. This one works! I could not get
the Archive Python drive to work. Maybe its a faulty drive or needs some
jumper settings!

Thanks for the following for their help:
Dwight Petersen
Adrian Stovall
Neil Brosnan
Ed Bolson
Tim Peterman
Tim Carlson

Happy holidays...

Jayant Ramakrishnan wrote:
> Folks,
> I have a 4mm tape drive installed in a E3500 running 2.5.1. The tape
> drive is a Archive Python 4mm Helical Scan tape drive. When I use
> ufsdump to dump to a DDS-3 (125m) tape, I get only about 4 gigs worth of
> data on it before the end-of-tape is reached. I am using the command:
> ufsdump 0f /dev/rmt/0cbn /disk2 (/disk2 is filesystem with 6 GB data)
> Mt st.conf entry reads as follows:
> #ARCH_Python = 1,0x2c,0,0xde39,4,0x00,0x8c,0x8c,0x8c,3;
> My belief is I should be able to dump 12 - 24 GB of data on to this
> tape. Do I need to modify st.conf? Any other suggestions?
> Thanks and I will summarize.
> PS: I have the latest st driver patch 103857-15.

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