Re: [gentoo-user] "loopback mount" hard-drive image created with dd?

[Alan McKinnon]

On Friday 18 January 2008, Jerry McBride wrote:
> Stroller wrote:
> > Hi there,
> >
> > Before installing on a new laptop which came with Vista
> > pre-installed I took an image of the hard-drive using dd. (ie: `dd
> > if=/dev/sda of=/ mnt/sdb1/disk.img`, where /mnt/sdb1 was a portable
> > USB hard-drive).
> >
> > Obviously the intention was that if I b0rked things up I could just
> > `dd` the image back onto the laptop and all would work as the
> > manufacturer shipped it, but I'd now find it useful to be able to
> > take a look inside the image and examine a few files. Is there any
> > way to do this, please?
> >
> > I'm fairly confident that there were originally a couple of
> > partitions on the drive, and the one I want to look at will be
> > NTFS, of course. I know that a CD iso I can mount using `mount
> > file.iso / mnt/cdrom -t iso9660 -o loop`, but is there an
> > equivalent for whole partition tables?
> >
> > Thanks in advance for any suggestions or advices,
> >
> > Stroller.
>
> Try this...
>
> modprobe loop
> modprobe ntfs
>
> mkdir /mnt/iso
>
> mount -t ntfs /path/to/your/iso /mnt/iso -o loop,ro
>
> Assuming the iso is ntfs and you have loop and ntfs as modules...
>
> Cheers.

Won't work. He already said the .iso is a *disk* image, not a *file 
system* image.

The ntfs driver (or any sane file system driver) will not know what to 
do with a block image complete with partition tables and boot records.

alan


-- 
Alan McKinnon
alan dot mckinnon at gmail dot com
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