Mounting raw disk backup file.

Wojciech Puchar wojtek at
Mon Aug 6 09:55:56 UTC 2012

> 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


as with real drive

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