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From: richard@gryphon.CTS.COM (Richard Sexton)
Newsgroups: comp.sys.amiga
Subject: Re: Comments/Observations of the A2000 || really filesystems
Message-ID: <1835@gryphon.CTS.COM>
Date: Fri, 9-Oct-87 03:41:06 EDT
Article-I.D.: gryphon.1835
Posted: Fri Oct  9 03:41:06 1987
Date-Received: Sun, 11-Oct-87 13:53:22 EDT
References: <1188@s.cc.purdue.edu>
Reply-To: richard@gryphon.CTS.COM (Richard Sexton)
Organization: Trailing Edge Technology, Redondo Beach, CA
Lines: 58
Summary: whats going on here ?

In article <1188@s.cc.purdue.edu> doc@s.cc.purdue.edu (Craig Norborg) writes:
>
>    Well, I had the pleasure of fooling around on an Amiga 2000 quite a

How kinky. I tried it but kept falling off.

>bit in the past couple of weeks, and I thought I should share some of
>my comments on the machines and observations of its quirks, etc.
>    First off, I should probably explain the system I was working on.
>This was an Amiga 2000 with 3 Meg of memory, a 20 meg ST506 hard drive
>hooked onto the Amiga side with the new drive controller, and the
>Bridge card.
>    One of the first observations I had of this machine was the
>unfortunate occurance of trying to solve a problem.  It seems that a
>friend had created a 3Meg file on the hard drive (a 3d animation), and
>every time they tried to delete it, the machine started to, then
>promptly guru'd.  After trying everything we could think of, multiple
>versions of delete off different disks, programs that had delete built
>into them, even copying a file over it, we finally decided that the
>only way to get rid of this file was to reformat the hard drive. 

I had what I think is a similar problem. I have 1000, one (gasp!) drive, 
1.2 all pretty standard.

I have a floppy disk which pretty much stays in the drive most of the time.
It tends to range between 80 and 99% full. It's about a year old.

I noticed that I had two files with *exactly* the same filename. Odd
says I, so I try to delete one of them. I didn't care which one :-)

It seemed to delete one of them, but lo and behold the next time I tried
to get a directory it Guru'd. Curious.

I rebooted and got a directory. One, two, three four files listed and then Guru.How odd. I reboot and try to copy off the one file I really wanted from that 
disk. Guru. Ok. I'm worried. I reboot and try to disk copy. Disk copy Gurus.

"Toto, I don't think we're in Kansas anymore"

After some late night high speed driving to a friends house who has 2 drives
I DiskSalv the thing and get it all back. Dave H: THANKYOUTHANKYOUTHANKYOU!!

So what gives. Just a wild guess would be that the disk is *slightly*
corrupt. Ie, the first few things the O/S checks are ok - it looks like
a valid (whatever) entry, so it computes some addresses to point to stuff
in memory based on what it read from disk, but *something* is corrupt and
if phreaks. Are these things not checksummed ?

I still have the disk that gurus.

Any ideas ? Dale ? CATS ?

>	Craig Norborg
-- 
Richard J. Sexton
INTERNET:     richard@gryphon.CTS.COM
UUCP:         {hplabs!hp-sdd, sdcsvax, ihnp4, nosc}!crash!gryphon!richard

"It's too dark to put the keys in my ignition..."