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Recover from hard drive MBR corruption with LVM/LUKS partitions

Posted 11-12-2015 at 08:05 AM by number22
Updated 11-12-2015 at 08:08 AM by number22

Using latest version boot cd or usb rescue disk, which is created by usbboot.img from cd or ftp.slackware.com

create usbboot.img with dd command.(#dd if=usbboot.img of=/dev/sdb bs=1M) (clear usb disk #dd if=/dev/zero of=/dev/sdb bs=512).

once boot up:

# cryptsetup luksOpen /dev/sdxx luksname (sdxx your encrypted luks partition)

After successful enter password:

#vgscan --mknodes
#vgchange -ay
#mount /dev/cryptvg/root /mnt
before change root, you can modify any files necessary in /mnt/ directory; such as /mnt/etc/lilo.conf

#chroot /mnt
#mount /dev/sda1 /boot (assume your boot partition is /dev/sda1)
#lilo

reboot.
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