Configuring a backup with vzdump.conf

The vzdump.conf file holds backup configurations for both manual and automated backup schedules. It is located in /etc/vzdump.conf of each Proxmox node. The configuration is different for each node. Any changes made to the file will not be replicated across the cluster. All the default backup configurations are encoded in the operating system. Any changes made to this file will override any default backup settings.

How to do it...

The following screenshot shows vzdump.conf as it appears on a Proxmox node:

By default, all the options are commented. To change an option, simply uncomment and set a value for each option. Here are some of the most commonly used options and their functions.

#bwlimit

This option sets the network bandwidth consumption during backup jobs. The limit must be defined in KBPS. For example, if we want to restrict the backup to 500 Mbps, we will change the limit as follows in the vzdump.conf file:

bwlimit 500000

#lockwait

To prevent multiple...