1 Important unimplemented features in current device-mapper implementation 2 3 * implement dm_dev_event_ioctl and dm_target_msg_ioctl functions 4 5 * write more targets mirror, stripe. 6 7 Pain in the sky tasks 8 9 * implement multipath target for network attached storage devices. 10 11 * write GPL free libdevmapper and lvm2tools. 12 13