Another disk image attempt failed :(

Daniel Carrera daniel.carrera at zmsl.com
Thu Apr 13 21:06:00 UTC 2006


Hello,

I tried something else to effectively make a "disk image" of an Ubuntu 
OEM installation, but that didn't work either. This is what I did:

Note: /dev/hda is the working installation and /dev/hdb is where I want 
to put the clone.

1. Boot from a rescue disk.
2. dd if=/dev/hda of=/dev/hdb count=1 bs=446
    This should copy the bootloader part of the MBR without touching the
    partition part.
3. fdisk to create the appropriate partitions that the Ubuntu OEM
    expects (hdb1 - ext3, hdb2 - extended, hdb5 - swap).
5. Mount hda1 and hdb1 and 'cp --archive'.

After this, I still can't boot from hdb (after pulling out hda). It says 
"DISK BOOT FAILURE. INSERT SYSTEM DISK AND PRESS ENTER".

So... the MBR bit didn't work. I don't know what else to try (btw, yes, 
hdb1 has the bootable flag set, but it shouldn't matter if the problem 
is right at the MBR).

At this point I'm stuck, I don't know what else to try to get a working 
MBR. Suggestions welcome.

Cheers,
Daniel.
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