Research Support Handbook

Backups and Snapshots

last modified

April 2, 2026

It is possible to take snapshots or clones of the virtual server yourself. This allows you to go back to a previously created configuration, you can do this before you make major changes to your application, for example.

In addition, ITvO makes daily backups with which a virtual machine can be restored on request. Backups are kept for up to 30 days.

Creating a Snapshot

Log in to the OpenNebula Console, with your VUnetId as username.

Important

To access the web interface from outside the VU campus use EduVPN institute access.

  • Go to Instances > VMs and double-click your VM.

  • Open the Storage Tab and locate your disk.

Snapshot create
  • Click the camera icon to open a dialog.

Snapshot dialog
  • Enter a name for the snapshor and click the “Take Snapshot” button.

Restoring a Snapshot

Power Off
  • To restore a snapshot the VM has to be shut down. Click the Power button and select the Power Off button, the server will be send a shutdown signal.

  • If snapshots are available downward chevron will be shown next to the disk, click on it to view the available snapshots.

Revert
  • Check the snapshot you like to restore and click “Revert”.

Power On
  • Power on the server by clicking the Play button