Path: utzoo!yunexus!geac!geaclib!daveb
From: daveb@geaclib.UUCP (David Collier-Brown)
Newsgroups: can.sun-stroke
Subject: Re: infant mortality in Fujitsu Swallows (M2372)
Message-ID: <3494@geaclib.UUCP>
Date: 21 Dec 88 02:14:13 GMT
Article-I.D.: geaclib.3494
References: <1988Dec18.150601.8808@gpu.utcs.toronto.edu>
Organization: GEAC Computers, Toronto, CANADA
Lines: 21

From article <1988Dec18.150601.8808@gpu.utcs.toronto.edu>, by dennis@gpu.utcs.toronto.edu (Dennis Ferguson):
> [...]  We eventually deduced that the disk was getting
> scribbled on if we powered down the CPU with the disk readied.
> The error messages most often said something about "Sector Not
> Found".

 Hmmn... I wonder if this applies to other controller/powerdown
situations. We once had a site with repeated power outages, leading
to disappearing sectors/records.  Repeated as in "at lunch, both
coffie breaks and 5pm".
  I can well understand spikes causing strange patterns appearing in
magnetic media, but I wonder about anti-spikes...

  Comments, hardware-people?

--dave
-- 
 David Collier-Brown.  | yunexus!lethe!dave
 Interleaf Canada Inc. |
 1550 Enterprise Rd.   | He's so smart he's dumb.
 Mississauga, Ontario  |       --Joyce C-B