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 DescriptionApache/2.4.41 (Ubuntu) Server at www.gnu.ftp.uni-erlangen.de Port 80
Parent Directory - HEADER.html 2007-07-09 10:06 532 vzdump-1.2-4.noarch.rpm 2009-10-22 10:25 29K vzdump-1.2.tar.gz 2009-10-22 10:25 20K vzdump_1.2-4_all.deb 2009-10-22 10:25 26K old/ 2016-05-15 11:00 -