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Date:      Tue, 24 Apr 2001 10:24:10 -0600
From:      "Kenneth D. Merry" <ken@kdm.org>
To:        Todd Cohen <cohentl@clarkson.edu>
Cc:        freebsd-scsi@FreeBSD.ORG
Subject:   Re: is this device bad?
Message-ID:  <20010424102410.A99321@panzer.kdm.org>
In-Reply-To: <Pine.GSO.4.10.10104241208330.425-100000@vador.aoc.clarkson.edu>; from cohentl@clarkson.edu on Tue, Apr 24, 2001 at 12:10:27PM -0400
References:  <200104241333.f3ODXPB08809@ct980320-b.blmngtn1.in.home.com> <Pine.GSO.4.10.10104241208330.425-100000@vador.aoc.clarkson.edu>

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On Tue, Apr 24, 2001 at 12:10:27 -0400, Todd Cohen wrote:
> Well, I don't know how to do a low level format on this machine.. it's an
> AlphaStation. I ran the following as someone else suggested, it doesn't
> report any errors.. but later in dmesg I get errors:
> 
>  camcontrol format da1

That is a low level format.

> da1 at sym0 bus 0 target 4 lun 0
> da1: <SEAGATE ST410800N 7114> Fixed Direct Access SCSI-2 device
> da1: 10.000MB/s transfers (10.000MHz, offset 8)
> da1: Attempt to query device size failed: MEDIUM ERROR, Medium format
> corrupted
> (da1:sym0:0:4:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
> (da1:sym0:0:4:0): MEDIUM ERROR asc:31,0
> (da1:sym0:0:4:0): Medium format corrupted field replaceable unit: 1
> (da1:sym0:0:4:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
> (da1:sym0:0:4:0): MEDIUM ERROR asc:31,0
> (da1:sym0:0:4:0): Medium format corrupted field replaceable unit: 1
> (da1:sym0:0:4:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
> (da1:sym0:0:4:0): MEDIUM ERROR asc:31,0
> (da1:sym0:0:4:0): Medium format corrupted field replaceable unit: 1

If those errors popped up after the format (you might want to power cycle
as well), then you've probably got a bad drive.

Ken
-- 
Kenneth Merry
ken@kdm.org

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