How To Convert Linux root from ext4 to btrfs

Описание

Boot from LiveCD

btrfs-convert /dev/sda1

mount /dev/sda1 /mnt
mount -t proc none /mnt/proc
mount -t sysfs none /mnt/sys
mount -o bind /dev /mnt/dev
mount -o bind /dev/pts /mnt/dev/pts
cp -L /etc/resolv.conf /mnt/etc

chroot /mnt bash
mkdir /run/shm
ls -l

btrfs subvolume delete /ext2_saved

mc -e /etc/fstab

grub2-install /dev/sda
grub2-mkconfig -o /boot/grub2/grub.cfg

mkinitrd