Date: Sun, 7 Apr 1996 09:21:57 -0700 (PDT) From: "Jonathan M. Bresler" <jmb> To: joerg_wunsch@uriah.heep.sax.de Cc: freebsd-scsi@freebsd.org, doc@freebsd.org Subject: Tape drive FAQ Message-ID: <199604071621.JAA18505@freefall.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>
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