Automating taking and deleting of Snapshots

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We can automate taking and deleting of Snapshots using cv4pve-autosnap tool.

cv4pve-autosnap is a lightweight automation tool designed for Proxmox VE environments to create and manage LVM-Thin and ZFS volume snapshots. It helps administrators implement automated, scheduled snapshot backups of virtual machines (VMs) and containers (CTs), offering a simple but effective mechanism for data protection and rollback.

Installation

Install the tool on Proxmox VE

# wget https://github.com/Corsinvest/cv4pve-autosnap/releases/download/v1.15.2/cv4pve-autosnap-linux-x64.zip

Install unzip package

# apt install unzip

unzip the package

# unzip cv4pve-autosnap-linux-x64.zip

give execute permission

# chmod +x cv4pve-autosnap

move it to sbin folder

# mv cv4pve-autosnap /usr/sbin/

To verify that the commands are working, we can run this command. It will display all available options.

# cv4pve-autosnap --help

VIRTUAL MACHINE

This command takes the backup of VM

# cv4pve-autosnap --host=172.30.7.100 --username=root@pam --password 'file:/root/password' --vmid=101 snap --label=daily --keep=2

Parameters used in the command

• snap: will take snapshot one time
• -- label: assigns a label or name to the snapshot (example: daily, monthly)
• --keep: Specifies the number of snapshots to retain for the given label.
• --vmid: id of the VM