====== MBR Tips ======

===== Backup/Restore MBR =====

[[wp>Master_boot_record|MBR]] [[wpr>Главная_загрузочная_запись|ГЗЗ]]

http://www.shell-fu.org/lister.php?id=803

Backup MBR:
  dd if=/dev/sda of=/root/mbr.img bs=1 count=512

Restore MBR:
  dd if=/root/mbr.img of=/dev/sda bs=1 count=512

Restore only bootstrap (part of MBR):
  dd if=/temp/mbr.img of=/dev/sda bs=1 count=446

Restore only partition table (part of MBR):
  dd if=/temp/mbr.img of=/dev/sda skip=446 seek=446 bs=1 count=64


===== Пример восстановления MBR =====


http://community.livejournal.com/ru_linux/2544765.html?thread=36215677#t36215677

''# cat /sys/block/sda/sda1/{start,size}''
  /sys/block/sda/sda1/start:63
  /sys/block/sda/sda1/size:2120517

''# fdisk /dev/sda''

  Command (m for help): n
  Command action
  e extended
  p primary partition (1-4)
  p
  Partition number (1-4): 1
  First sector (63-312581807, default 63):
  Using default value 63
  Last sector, +sectors or +size{K,M,G} (63-312581807, default 312581807): +2120516