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From: "Jonathan M. Bresler" <jmb>
Message-Id: <199604071621.JAA18505@freefall.freebsd.org>
Subject: Tape drive FAQ
To: joerg_wunsch@uriah.heep.sax.de
Date: Sun, 7 Apr 1996 09:21:57 -0700 (PDT)
Cc: freebsd-scsi@freebsd.org, doc@freebsd.org
In-Reply-To: <199604070952.LAA17288@uriah.heep.sax.de> from "J Wunsch" at Apr 7, 96 11:52:44 am
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J Wunsch wrote:
> 
> As Jonathan M. Bresler wrote:
> 
> > 	i sent a detailed description of the drive to freebsd-hackers
> > 	(or was it questiosn?) around march 13th.
> 
> Perhaps we should start a ``Tape drive FAQ''?  Many people are
> confused about the different tape drives, their subtleties (like for
> the Anaconda, or the switches on the HP-DAT), their relative technical
> merits, and the status and quality of FreeBSD supporting the different
> kinds of drives.

	sounds like a very good idea!

	please takea look at what i have in mind below and see if
	it meshes with your ideas.

*** hw.sgml     Wed Jan 31 09:32:20 1996
--- /tmp/hw.sgml        Sun Apr  7 12:14:51 1996
***************
*** 309,312 ****
--- 309,338 ----
  <sect1><heading>* Hard drives</heading>
  <sect1><heading>* Tape drives</heading>
+   <sect2><heading>* SCSI</heading>
+ 
+       <p>The <tt>st</tt> driver provides support for 8mm
+ (Exabyte), 4mm (DAT: Digital Audio Tape) and QIC (Quarter-Inch
+ Cartridge) tape drives.  See the <tt>st(4)</tt> manual for a
+ detailed description.
+ 
+     <sect3><heading>* 8mm (Exabyte)</heading>
+     <sect3><heading>* 4mm (DAT: Digital Audio Tape)</heading>
+     <sect3><heading>* QIC (Quarter-Inch Cartridge)</heading>
+ 
+       <p>QIC tapes are available in a large
+ range of storage capacities, ranging from 60 MB up to 13 GB.
+ Each capacity tape cartridge is physically different from each of
+ the others.  A QIC tape drive uses these differences to
+ automatically sense which capacity tape cartridge is in the
+ drive.  Use <tt>mt status</tt> to read the tape capacity.  In
+ general, higher capacity tape drives can read tapes made by lower
+ capacity drives.
+ 
+       &anaconda;
+ 
+     <sect3><heading>* DLT (Digital Linear Tape)</heading>
+     <sect3><heading>* Mini-Cartridge</heading>
+ 
+       
  <sect1><heading>* CD-ROM drives</heading>
  <sect1><heading>* Other</heading>
***************
*** 316,319 ****
--- 342,347 ----
  <sect1><heading>* PCMCIA</heading>


anaconda.sgml:

<sect><heading>Archive Anaconda SCSI QIC-1350 tape drive</heading>

        <p>The Archive Anaconda SCSI tape drive does not work
with FreeBSD as shipped from the factory.  Two kernel one-line
kernel patches are required.  The drive delivers excellent
throughput, 370kB/sec with <tt>dump(8)</tt>.

<sect2><heading>Physical Description</heading>
<sect2><heading>Physical Connectors and jumpers</heading>
<sect2><heading>Specifications</heading>
<sect2><heading>Kernel Configuration</heading>
<sect2><heading>Kernel Patches</heading>
<sect2><heading>Boot Messages</heading>
<sect2><heading>Operation</heading>