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From: glewis@cit-vax.UUCP
Newsgroups: comp.sys.amiga
Subject: Avoiding visit to DiskDoctor
Message-ID: <4624@cit-vax.Caltech.Edu>
Date: Sun, 22-Nov-87 14:43:29 EST
Article-I.D.: cit-vax.4624
Posted: Sun Nov 22 14:43:29 1987
Date-Received: Tue, 24-Nov-87 05:59:25 EST
Reply-To: glewis@cit-vax.UUCP (Glenn M. Lewis)
Organization: California Institute of Technology
Lines: 25


	I recently discovered that if disks are write-protected, and there
happens to be a read error (because of mis-alignment, or some other happening),
that my Amiga will still say "Read/Write Error...  Use DiskDoctor to fix,"
but that it will not forcefully trash the disk while it is in this state of
mis-alignment.
	Now this may seem to be common-sensical, but it tells me that when
my disks get "Hard Sector errors," they are a result of the Disk-Validator
doing a write onto some portion of the disk that it shouldn't be writing to
(like between tracks).
	When I went back and tried to read the write-protected disk that my
Amiga told me was trashed (after the head had a chance to "click" a few times),
-=> everything was fine <=-  !!   There were no problems, and all my files
were intact and readable!
	Therefore, I am wondering if the manner in which the Disk-Validator
is attempting to correct read/write errors is truly a Valid technique?  Would
I be better off by preventing the D-V from acting upon these errors?  By the
way... I am just assuming that the D-V is the one that tells me about
"DiskDoctor".
	Thank you for comments, suggestions, and flames :-)

						-- Glenn Lewis

-- 
glewis@cit-vax.caltech.edu