clvm software package provides Cluster LVM Daemon for lvm2, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install clvm
clvm is installed in your system.
Make ensure the clvm package were installed using the commands given below,
$ sudo dpkg-query -l | grep clvm *
You will get with clvm package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Administration Utilities |
| Package | clvm |
| Version | 2.02.111-2.2+deb8u1 |
| Description | Cluster LVM Daemon for lvm2 |
| Sub Section | Admin |