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Date:      Thu, 05 Mar 1998 18:27:00 -0600
From:      David Kelly <dkelly@hiwaay.net>
To:        Karl Denninger <karl@mcs.net>
Cc:        scsi@FreeBSD.ORG
Subject:   Re: SCSI low level format, good or bad 
Message-ID:  <199803060027.SAA11083@nospam.hiwaay.net>
In-Reply-To: Message from Karl Denninger <karl@mcs.net>  of "Mon, 02 Mar 1998 17:23:50 CST." <19980302172350.11640@mcs.net> 

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Karl Denninger writes:
> On Mon, Mar 02, 1998 at 06:06:27AM -0600, David Kelly wrote:
> > Karl Denninger writes:
> > > 
> > > I've seen a non-trivial number of disks come off the factory line with
> > > non-optimal formats.  I don't know if its a temperature tolerance thing o
> r
> > > what, but this has been my experience.
> > 
> > What do you consider a non-optimal format?
> 
> One which generates errors after short periods of being online (small numbers
> of unrecoverable block errors), among other things.  Then there is the
> entire mode page issue.

Come to think of it, problems like this could be due to a noisy or poor
power supply. Often they get noisier (electrically) when they get hot.

--
David Kelly N4HHE, dkelly@nospam.hiwaay.net
=====================================================================
The human mind ordinarily operates at only ten percent of its
capacity -- the rest is overhead for the operating system.



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