From owner-freebsd-questions  Tue Nov 27  6:53: 1 2001
Delivered-To: freebsd-questions@freebsd.org
Received: from dire.bris.ac.uk (dire.bris.ac.uk [137.222.10.60])
	by hub.freebsd.org (Postfix) with ESMTP id C064637B416
	for <freebsd-questions@freebsd.org>; Tue, 27 Nov 2001 06:52:55 -0800 (PST)
Received: from mail.ilrt.bris.ac.uk by dire.bris.ac.uk with SMTP-PRIV 
          with ESMTP; Tue, 27 Nov 2001 14:52:43 +0000
Received: from cmjg (helo=localhost)	by mail.ilrt.bris.ac.uk 
          with local-esmtp (Exim 3.16 #1)	id 168ja5-0007A8-00;
          Tue, 27 Nov 2001 14:51:29 +0000
Date: Tue, 27 Nov 2001 14:51:29 +0000 (GMT)
From: Jan Grant <Jan.Grant@bristol.ac.uk>
X-X-Sender:  <cmjg@mail.ilrt.bris.ac.uk>
To: Courtney Thomas <ccthomas@flash.net>
Cc: freebsd-questions <freebsd-questions@FreeBSD.ORG>
Subject: Re: SCSI tape back that works under FreeBSD
In-Reply-To: <3C03961A.2060109@flash.net>
Message-ID: <Pine.GSO.4.31.0111271448560.22773-100000@mail.ilrt.bris.ac.uk>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-freebsd-questions@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-questions.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-questions>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-questions>
X-Loop: FreeBSD.ORG

On Tue, 27 Nov 2001, Courtney Thomas wrote:

> Speaking of Exabyte drives, I [am trying to :-)]use the 8500 [no
> compression] but..............
> can't get it to stream, after trying many permutations [and a couple of
> days] of possible commands.
>
> I've also erased the [new] tape, cleaned the drive with an Exabyte
> cleaning cartridge, changed the cable, etc.
>
> BTW, an Athlon 750mhz w/256MB ram, AHA1520 card. I realize this is a low
> end card but it has worked in another machine OK. The drive is almost
> unused since new and appears to work satisfactorily other than no streaming.
>
> I've read the dump, st, and buffer man pages and the st page in
> particular documents the driver functionality in extremis [for only a
> user :-)]  nevertheless it is clear that there are many, many
> potentially troublesome variables that it seems to me only a proficient
> C programmer with lots of time and a real good working knowledge of
> things SCSI could probe.
>
> The command I'm using is...............
>        dump 0ub 64 /<dir> | `buffer -s 16k > /dev/tape`

I've just looked twice at this and blinked. Why have you surrounded the
command with backquotes? That will run the buffer command and use the
output of that command as a command line to pipe the output of dump
into.

	ls -l /	| `echo cat`



-- 
jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/
Tel +44(0)117 9287088 Fax +44 (0)117 9287112 RFC822 jan.grant@bris.ac.uk
YKYBPTMRogueW... you try to move diagonally in vi.


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message