Creating clone of a HDD including boot partition

bsd bsd at
Wed Dec 15 17:57:35 UTC 2010

Just to be precise, I am not trying to do an ISO image of a running root FS, but of a USB attached disk.  


Le 15 déc. 2010 à 16:45, Giorgos Keramidas a écrit :

> On Wed, 15 Dec 2010 16:11:45 +0100, bsd <bsd at> wrote:
>> Is there a way to dd to a file to create an iso image and then restore
>> (still using dd from this image).  I only have one IDE <--> USB cable
>> so this is the reason why It'd more simple for me to create an iso
>> image of the disk and then restore.
>> Using dump won't be very useful because I won't be able to get the
>> first 63 segments where boot info are written, I need something of
>> lower level (obviously dd will be my friend).
>> Thanks everyone. I'll try to post the line code once I got It up and
>> running.
> No dd(1) cannot do that.
> What you _can_ do is boot into single-user mode, and then use mkisofs
> with burncd or growisofs from dvd+rw-tools to burn an image while still
> in single-user mode.  The only user mode process is your root shell at
> that point, so you can be relatively sure there are no major changes
> happening somewhere at the filesystem while you are still dumping it to
> a CD-ROM or DVD-ROM disk.

---------> Grégory Bernard Director <---------
---------------> <---------------
--> Your provider of OpenSource appliances <--

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