Important unimplemented features in current device-mapper implementation * Implement dm_dev_event_ioctl and dm_target_msg_ioctl functions * Write more targets mirror. * Snapshot target, there is some code in repository already General LVM tasks * Cleanup resize_ffs to properly resize filesystem on LV * Integrate LVM with the sysinst, so we can configure LVM during installation Pain in the sky tasks * Implement multipath target for network attached storage devices. * Cluster lvm extension, NetBSD needs Distributed Lock Manager for this. * Write GPL free libdevmapper and lvm2tools. See http://mail-index.netbsd.org/tech-kern/2008/09/24/msg002794.html