boot from cd – linux rescue
sh-3.1# umount /mnt/sysimage/data
sh-3.1# tune2fs -O ^has_journal /dev/sda6
sh-3.1# e2fsck -y /dev/sda6
sh-3.1# mount -t ext3 /dev/sda6 /mnt/sysimage/data
sh-3.1# rm -f /mnt/sysimage/data/.journal
sh-3.1# umount /mnt/sysimage/var
sh-3.1# tune2fs -j /dev/sda6
sh-3.1# exit