Help with a little dd damage!

Mikkel L. Ellertson mikkel at
Thu Feb 28 02:10:57 UTC 2008

John Summerfield wrote:
> It looks like he has a good backup of the MBR and so can recover the 
> root partition table. From there he doesn't need anything until the 
> first filesystem, and if that's /boot alone, then that can be fixed by 
> reinstalling grub and kernel(s).
> Only partitions containing data that got clobbered are irretrievable 
> without further backup. the OP can see that by looking at the partition 
> table in the file, as someone else described.
If the first partition is /boot, and is at least 1.3M, (It had 
better be larger then that.) then doing a restore from 
2ndstage.rescue should put everything back without having to 
re-install the kernels or Grub. Unlike coping files, using dd will 
put everything back where it was, so you should not need to run 
grub-install. If the first partition is something else, then it get 
harder. Note: By the first partition, I mean the first partition 
after the MBR, and not necessarily partition 1. It normally be 
partition 1, but it is possible to partition the disk so it is not.


   Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!

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