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Date:      Mon, 6 Aug 2012 11:55:51 +0200 (CEST)
From:      Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To:        Matthew Navarre <navarre.matthew@gmail.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Mounting raw disk backup file.
Message-ID:  <alpine.BSF.2.00.1208061154370.4455@wojtek.tensor.gdynia.pl>
In-Reply-To: <CAMZ_P7iuN0WXzvU3BZUovat8hvXYyjB68jz-GWnerkEgJOqrCg@mail.gmail.com>
References:  <CAMZ_P7iuN0WXzvU3BZUovat8hvXYyjB68jz-GWnerkEgJOqrCg@mail.gmail.com>

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> I had a drive fail recently, it was working fine until I rebooted. After
> that the partition map was corrupt and I can't mount either partition on
> the disk. So I made a copy of the whole disk using dd to an old USB drive.
> There were several IO errors while dd was copying the disk, so I think the
> disk is starting to go.

did you use conv=sync,noerror.

if not your backup is quite corrupted if errors were uncorrectable.

>
> So, any suggestions?
>

repair partition table, use mdconfig and then you will get

/dev/md0
/dev/md0s1...

as with real drive



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