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Date:      Thu, 16 Mar 1995 18:05:03 -0500 (EST)
From:      Peter Dufault <>
To: (System admin)
Subject:   Re: your mail
Message-ID:  <>
In-Reply-To: <> from "System admin" at Mar 16, 95 01:19:30 pm

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System admin writes:
> Subject:Scsi problems..
> The following error's appeared when copying some files to a new 3 gig i got..
> /kernel: sd0(aha0:0:0): MEDIUM ERROR info:00540a87 csi:00,00,0e,00 asc:09 fru:2, retries:4
> and info:00540a88 csi: 00,00,10,00 asc:09 fru:02, retries:4

That is a "track following error". Does it succeed after the first
failure (that is, do you ever see anything other than "retries:4"?)

> I assume i have to mark the sectors bad or something...

You shouldn't have to.

> How do i scan and mark all bad sectors...?????

You usually don't.

> Also what exactly does the above messages mean?..

Return the drive?  I can't imagine why a new drive is having these


Peter Dufault               Real Time Machine Control and Simulation
HD Associates, Inc.         Voice: 508 433 6936             Fax:   508 433 5267

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