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Date: Tue, 19 Aug 1997 09:53:44 +0930
From: Greg Lehey <grog@lemis.com>
To: Michael Butler <imb@asstdc.com.au>
Cc: Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de>, freebsd-hackers@FreeBSD.ORG
Subject: Re: dead disk
References: <199708182351.JAA12452@sarah.asstdc.com.au>
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In-Reply-To: <199708182351.JAA12452@sarah.asstdc.com.au>; from Michael Butler on Mon, Aug 18, 1997 at 05:51:13PM -0600
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On Mon, Aug 18, 1997 at 05:51:13PM -0600, Michael Butler wrote:
>>> Aug 18 04:34:59 scorn /kernel: sd3(ahc0:3:0): MEDIUM ERROR info:0x50033
>>> csi:1,79,7,3b asc:16,0 Data synchronization mark error
>>> field replaceable unit: 15
>
>>> So is all hope lost for this disk?
>
>> Did you turn on automatic error recovery?  It's on mode page 1 (see
>> scsi(8)).
>
> Unfortunately, I have a drive at home that desparately needs reformatting ..
> worse, the machine is in Australia and I'm in Canada for the short and medium
> term .. <sigh> .. can anyone tell me what commands I can throw at scsi(8) to do
> this?

If you just want to format the disk, scsiformat(8) will do that.
Somebody posted the commands yesterday to turn on error recovery.

Greg