From owner-freebsd-hackers  Sun Jan 21 12:16:37 1996
Return-Path: owner-hackers
Received: (from root@localhost)
          by freefall.freebsd.org (8.7.3/8.7.3) id MAA04412
          for hackers-outgoing; Sun, 21 Jan 1996 12:16:37 -0800 (PST)
Received: from linux4nn.gn.iaf.nl (root@linux4nn.gn.iaf.nl [193.67.144.34])
          by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id MAA04402
          for <freebsd-hackers@freebsd.org>; Sun, 21 Jan 1996 12:16:30 -0800 (PST)
Received: from uni4nn.iaf.nl (root@uni4nn.iaf.nl [193.67.144.33]) by linux4nn.gn.iaf.nl (8.6.9/8.6.9) with SMTP id VAA00438; Sun, 21 Jan 1996 21:16:31 +0100
Received: by uni4nn.iaf.nl with UUCP id AA27482
  (5.67b/IDA-1.5); Sun, 21 Jan 1996 21:16:13 +0100
Received: by iafnl.es.iaf.nl with UUCP id AA25060
  (5.65c/IDA-1.4.4); Sun, 21 Jan 1996 20:34:40 +0100
Received: (from wilko@localhost) by yedi.iaf.nl (8.6.12/8.6.6) id WAA01888; Sat, 20 Jan 1996 22:22:24 +0100
From: Wilko Bulte <wilko@yedi.iaf.nl>
Message-Id: <199601202122.WAA01888@yedi.iaf.nl>
X-Organisation: Private FreeBSD site - Arnhem - The Netherlands
Subject: Re: A few NITS about SCSI Tapesu
To: joerg_wunsch@uriah.heep.sax.de
Date: Sat, 20 Jan 1996 22:22:24 +0100 (MET)
Cc: freebsd-hackers@freebsd.org
In-Reply-To: <199601201945.UAA01232@uriah.heep.sax.de> from "J Wunsch" at Jan 20, 96 08:45:58 pm
X-Mailer: ELM [version 2.4 PL23]
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Sender: owner-hackers@freebsd.org
Precedence: bulk

> As Greg Lehey wrote:
> 
> [Exabyte 8 mm drive problems]
> 
> > Hmm.  How do you define MTBF?
> 
> Word by word.  Mean time between failures.  They are more on repair
> than operating.  And not just a single drive.  We consider them
> expensive /dev/null's by now.  (Or FINO memory: first in, never out.)
> 
> Most of the problems are of mechanical nature, btw.
> -- 
> cheers, J"org

They are also known as WORN devices (Write Once, Read Never).

But to be fair: the ol' 8200 I use at home works just fine. Use
frequency is low however.

Wilko
_     __________________________________________________________________________
 |   / o / /  _   Wilko Bulte             email: wilko@yedi.iaf.nl
 |/|/ / / /( (_)  Private FreeBSD site  - Arnhem - The Netherlands
--------------------------------------------------------------------------------