http://privex3guvvasyer6pxz2fqcgy56auvw5egkir6ykwpptferdcb5toad.onion/articles/linux-lvm-cheatsheet
In this cheatsheet, you'll find examples for viewing, creating, and modifying LVM2 volumes, including thin pools and snapshots. This is NOT intended to be an in-depth explanation on using LVM2 - this article is aimed at those who already have at least some basic knowledge of using LVM.