Hi Karel,
Many thanks for the very straightforward infos.
Bernard
Le 09/08/2010 12:09, Karel Zak a écrit :
On Sun, Aug 08, 2010 at 08:20:41PM +0200, Bernard Pidoux wrote:
Formerly (that is before Linux was born...) DOS fdisk was usefull for
reparing damaged MBR.
I am wondering why there is no MBR option in Linux fdisk ?
I agree that MBR is rarely distroyed nowadays.
However I can rember of one case when a Linux disk would not boot any more.
Steps to recover from this situation are not obvious for me.
backup: dd if=/dev/sda of=mbr.img bs=512 count=1
restore: dd if=mbr.img of=/dev/sda bs=512 count=1 (or cat mbr.img> /dev/sda)
if you don't have a backup image than you can try to use
http://www.cgsecurity.org/wiki/TestDisk
Karel
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