umount /var/lib/vz lvremove /dev/vg/data mdadm --stop /dev/md4 mdadm --remove /dev/md4 mdadm --zero-superblock /dev/sd[abcd]4 #retirer les anciens montages nano /etc/fstab zpool create -f -o ashift=12 zfspool raidz /dev/sda4 /dev/sdb4 /dev/sdc4 /dev/sdd4 zpool list zfs list zfs create zfspool/vz zfs set mountpoint=/var/lib/vz zfspool/vz zfs mount -a