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From: pdb@sei.cmu.edu (Patrick Barron)
Newsgroups: comp.unix.questions
Subject: Re: TK-50 tape backups -- could they go faster?
Message-ID: <1462@aw.sei.cmu.edu>
Date: Sat, 30-May-87 14:23:26 EDT
Article-I.D.: aw.1462
Posted: Sat May 30 14:23:26 1987
Date-Received: Sat, 6-Jun-87 15:50:46 EDT
References: <241@kosman.UUCP>
Sender: netnews@sei.cmu.edu
Reply-To: pdb@sei.cmu.edu (Pat Barron)
Organization: Carnegie-Mellon University, SEI, Pgh, Pa
Lines: 11

In article <241@kosman.UUCP> kevin@kosman.UUCP (Kevin O'Gorman) writes:
>Is there any software anything like dump/restore that keeps up with a
>streamer, or some way to speed up (double-buffer) dump/restore enough to
>do so?

The problem isn't with dump/restore, the problem's in the tmscp driver.
They've reworked the driver in Ultrix 2.0.  At the recent DECUS symposium
in Nashville, DEC said that TK-50 throughput in 2.0 is increased by a
factor of 12!  Your best bet is probably to get 2.0.

--Pat.