Saving the master boot record of hard-disk under Debian

by frank · June 26, 2014

Backup

The first line is to backup MBR, the second line is to backup extended partitions (important just as well!!)

$> dd if=/dev/sda of=/tmp/backup-sda.mbr bs=512 count=1
$> sfdisk -d /dev/sda > /tmp/backup-sda.sfdisk

Restore

$> dd if=backup-sda.mbr of=/dev/sda
$> sfdisk /dev/sda < backup-sda.sfdisk

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