Backup/restore utilities of LVM with partitions. If you use the volume as a disk (not a partition) and want to backup/restore them, you will be glad to try this tool.
Imagine You having three LVM lvs
/dev/lvm/v1 1 partition
/dev/lvm/v2 2 partitions
/dev/lvm/v3 3 partitions
Then this tool can backup those lvs' partitions table and all the partition data.
dpkg-buildpackage -tc -b
sudo add-apt-repository ppa:xiaobo-fei/ppa
sudo apt-get update
sudo apt-get install trantect-lvm-util
trantect-backup -s 2G /dev/lvm/v1 /tmp/backup
trantect-restore -l lvm/v2 -d /tmp/backup