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Date:      Fri, 16 Aug 1996 06:26:13 -0700 (MST)
From:      Don Yuniskis <dgy@rtd.com>
To:        louie@TransSys.COM (Louis A. Mamakos)
Cc:        pechter@shell.monmouth.com, FreeBSD-hackers@freebsd.org
Subject:   Re: File System on a tape
Message-ID:  <199608161326.GAA08422@seagull.rtd.com>
In-Reply-To: <199608161241.IAA04574@whizzo.transsys.com> from "Louis A. Mamakos" at Aug 16, 96 08:41:17 am

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> > We could sure use something like this.  Some kind of program would be needed
> > to boot the tape, though. A modified FreeBSD program loader that would load
> > from tape... Could something like this be done under dos for recovery and 
> > installation?
> 
> While it's an interesting novelty, how is this better than
> booting/loading something off a floppy?  Pretty much everyone will

Surely you jest?  Have you ever tried to *load* FBSD off of floppies?
With a file system on tape, you can boot and then just mount the tape
and 'cp /tape/what/ever/you/want /wherever/you/want/it'.  With floppies,
you'd have to have explicitly prepared individual little filesystems
to be able to recover anything at whill.  Or, play with all the
little furrballs, etc.

> have a floppy on their system (or perhaps a CDROM drive), but how many
> have a tape drive?

I suspect anyone who take this stuff halfway serious has *some* form of
tape -- even a little cartridge tape!
 
> I think that a floppy disk bootstrap for a "full-feature" read-only
> CDROM filesystem would be considerably more useful.

I thought we already have that?  And, it doesn't help you with anything
*else* you've added to the file hierarchy -- e.g., ports!
 
> Though not quite as good a hack, I'll grant you.

My mt driver should be able to do this -- it was one of the criteria I
used when writing it (and Joerg and I had a few chuckles over the
silliness of it!)  but I haven't gotten off my butt and ported it to
2.1R (from 1.1.5.1R).  Also, I doubt it would help anyone *else*
(since every query I posted to the list failed to produce any other
folks with similar devices)  :>

I'm curious as to whether or not my DLT would work in a block mode.
Or, is the limitation solely in the st device???

--don



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