vzdump is an utility to make consistent snapshots of running OpenVZ VEs. It basically creates a tar archive of the VE private area, which also includes the VE configuration files.
There are several ways to provide consistency:
Taken from proxmox.com.
Name Last modified Size Description
Parent Directory - old/ 2016-05-15 12:00 - vzdump-1.2-4.noarch.rpm 2009-10-22 11:25 29K vzdump_1.2-4_all.deb 2009-10-22 11:25 26K vzdump-1.2.tar.gz 2009-10-22 11:25 20K