Backup master boot record incl. partition table.

For details about mbr: Read c't 5/1997, page 188, "Vorletzte Rettung".

Boot from c't-Security-CD (Software Collection c't 2/2010), Option "Failsafe"

su
dd if=/dev/sda of=/media/USBSTICK/mbr-xxx-1.bin count=1
dd if=/dev/sdb of=/media/USBSTICK/mbr-xxx-2.bin count=1

M.Braun
27.02.2011