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Date:      Thu, 30 May 2013 08:41:10 -0600
From:      Alan Somers <asomers@freebsd.org>
To:        Riccardo Veraldi <riccardo.veraldi@gmail.com>
Cc:        freebsd-scsi@freebsd.org
Subject:   Re: troubles with Seagate (EMC2) disk
Message-ID:  <CAOtMX2hgdAbmbedZsWrzV1j2-nzjNpwMFCAAxV3QGZt_nQmJdQ@mail.gmail.com>
In-Reply-To: <51A72605.4050303@gmail.com>
References:  <51A72605.4050303@gmail.com>

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Install sysutils/sg3_utils from ports and use the sg_format command.
Something like this:

sg_format --format --size=512 /dev/sda

On Thu, May 30, 2013 at 4:12 AM, Riccardo Veraldi
<riccardo.veraldi@gmail.com> wrote:
> Hello,
> I have a Seagate ST350000 CLAR500 disk.
>
> it is attached to my Sun Blade 1000 running FreeBSD 9.1
>
> I need to label it, create partition and move te root /usr/ var and swap
> from the main boot disk which has corrupted blocks.
>
> so this disk will become my boot disk.
>
> the problem is that I cannot partition it or even access it in anyway
>
> dd: /dev/da6: Invalid argument
> 1+0 records in
> 0+0 records out
> 0 bytes transferred in 0.000700 secs (0 bytes/sec)
>
> this is the disk information:
>
> da6 at isp0 bus 0 scbus2 target 1 lun 0
> da6: <SEAGATE ST350000 CLAR500 FDBD> Fixed Direct Access SCSI-3 device
> da6: 100.000MB/s transfers WWNN 0x2000001862133c8d WWPN 0x2100001862133c8d
> PortID 0xe4
> da6: Command Queueing enabled
> da6: 476940MB (961745856 520 byte sectors: 255H 63S/T 59865C)
>
> the problem is that disk byte sectors are 520 and not 512
>
> is there a way to reformat it to 512 byte sectors ?
>
> is there a way to make it usable ?
>
> the SCSI III disk has a FC - AL interface (Internal Sun Blade 1000 Caddy).
>
> thank you
>
> Rick
>
>
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