From owner-freebsd-scsi  Sun Apr 15 11:15:16 2001
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Date: Sun, 15 Apr 2001 14:15:45 -0400
From: Thomas Stromberg <thomas@stromberg.org>
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Subject: Re: da0: invalid sector size 520
Cc: freebsd-scsi@freebsd.org
To: Wilko Bulte <wkb@freebie.demon.nl>
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On Sunday, April 15, 2001, at 02:01 PM, Wilko Bulte wrote:

> On Sun, Apr 15, 2001 at 12:45:32PM -0400, Thomas Stromberg wrote:
>> I'm trying to add the following Seagate Barracuda to my FreeBSD box:
>>
>> da0: <SEAGATE ST15150N 3514> Fixed Direct Access SCSI-2 device
>> da0: 10.000MB/s transfers (10.000MHz, offset 15), Tagged Queueing 
>> Enabled
>> da0: 4087MB (8242659 520 byte sectors: 255H 63S/T 513C)
>>
>> notice the 520 byte sectors? This occurs whenever I try to do any
>> operations (sysinstall, dd, disklabel) with da0:
>>
>> da0: invalid sector size 520
>
> Guessing:
>
> Could be a disk from a machine that uses hardware RAID or extra 
> checksumming
> in the 8 bytes beyond 512 bytes/sector. You can try to reformat the 
> drive
> while first selecting 512 bytes/sector.
>
> W/

Not sure where this disk came from, got it from Ebay. The problem I have 
is I'm getting this error while trying to reformat it.. from sysinstall, 
disklabel, newfs, and dd.. Any advice on how to re-format this disk that 
I'm missing? I'm not very experieced with SCSI stuff.

BTW, I'm not on the SCSI mailing list, so any replies should be CC'd to 
me

/ Thomas

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