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Mail Archives: opendos/1997/02/12/09:25:37

From: MORRIS JP <jpmorris AT csm DOT uwe DOT ac DOT uk>
Date: Wed, 12 Feb 1997 13:56:51 GMT
Message-Id: <199702121356.NAA10557@milly>
To: opendos AT mail DOT tacoma DOT net
Subject: Re: [opendos] BAD Filesystems
Sender: owner-opendos AT mail DOT tacoma DOT net

> From owner-opendos AT mail DOT tacoma DOT net Tue Feb 11 15:48:40 1997
> From: mharris AT blackwidow DOT saultc DOT on DOT ca
> Date: Tue, 11 Feb 1997 04:13:23 -0500 (EST)
> X-Sender: root AT capslock DOT com
> Cc: opendos AT mail DOT tacoma DOT net
> Subject: Re: [opendos] BAD Filesystems
> Mime-Version: 1.0
> Content-Transfer-Encoding: QUOTED-PRINTABLE
> 
> On Mon, 10 Feb 1997, MORRIS JP wrote:
> 
> > NO, NO, NO, NO!
> > 
> > I have already lost 3 hard disks to compression and I do not intend to
> > lose any more.
> > 
> > Disk compression is EVIL!
> 
> Bravo!  Another anti-compressionist!  
> 
> > Let me tell you a little tale....
> > 
> > Many years ago when I was just learning C, I wrote a little game using the
> > BGI system (didn't we all?).
> 
> Heh heh, yah, too bad we didn't know that it was easier to use
> ASM and our own routines eh?
> 

That came later.

> > Unfortunately, my sprite info got corrupted, and I ended up with an object
> > 1 pixel wide and 2048 high, under cursor control.
> > 
> > In a fit of curiosity, I dangled it out the bottom of the screen.
> > Down out the screen, down through the ROMS, into the UMB and it speared my
> > SuperStor (came free with DR-DOS 6!!) driver straight through the heart.
> 
> Hmmm.  Bummer.  I've heard nothing but stories like this about
> disk compression.  Everyone that I know who has used disk
> compression (regardless of which program they've used) has lost
> their drive at one point in time or another.
> 
> > Superstor's last dying action was to turn my hard disk into one file called
> > £"$%"£$%"£ which was 1gb long. (This was a 40mb MFM disk)
> > 
> > This was the logical drive.  On the physical drive, I did inspect the
> > remains of the superstor drive, which was a big long file full of LZW data.
> > 
> > Therefore I could not recover my disk, and the only recourse was to remove
> > the file and start again.
> > 
> > I used superstor twice after that, lost both of the disks to various
> > software crashes and never touched superstor again.
> 
> Didn't learn the first time?  Heh heh.  Well, I was just thinking

I was only about 15 at the time.. I had one 40MB MFM disk which cost £195.
BC 2 took up a large portion of that, so I was desparate for more space!
It was interesting to note that the compressed drive was much faster than the
uncompressed partition.

> of trying out the Stacker that comes with OpenDOS.  I've never
> used disk compression on my own machines before, and I figured
> that maybe it would work now since it's been around for years
> now.  You've just convinced me against it permanently I think.
> I'm not willing to jeopardize ANY data.  EVER!
> 
> > I assume we use FAT for removable disks, otherwise we will have hundreds of
> > incompatible floppy disks.
> 
> Well, how would I put ext2 LFN files on floppy then?  What about
> symbolic links?  I know that I'll be using ext2 for floppies.

Yeah, but I was hoping to read the files on a win95 system, or a dos 6.2 system
or an OS/2 system.

Still, I suppose you could choose.. 

> The OS will read any floppies that it has IFS support for.  I
> mean you're only probably going to have 2 types anyways; FAT, and
> ext2.  I hardly think we'll see too many "serious" useful
> filesystems crop up.  ext2 is as good as anyone needs. 
> 

Where can I find out about ext2?  It looks to be quite popular, so I'd like to
know what it's like.

> Mike A. Harris        |             http://blackwidow.saultc.on.ca/~mharris
> Computer Consultant   |    My webpage has moved and my address has changed.
> My dynamic address: http://blackwidow.saultc.on.ca/~mharris/ip-address.html
> mailto:mharris AT blackwidow DOT saultc DOT on DOT ca
> 
> URL of the day: http://www.sun.com
> 

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