Our take on centralized and controlled VM image backups that deal with both CEPH and local QCOW2 datastores. As there are no default means of executing image backups in OpenNebula, I'd like to share our perspective on how we do it.

1. T +32 9 277 9000
www.itaf.eu / momcilo.medic@itaf.eu
Image backups in
OpenNebula

2. Short introduction of ITAF
• Managed Services Provider operating in Belgium and Serbia
• Servicing SMBs and enterprises
• Running our own cloud for 12 years
• Also managing on-premises private cloud deployments
• Main current technologies involved: OpenNebula, KVM, Ceph, Linstor,
Cisco
• Policy of “Free and Open Source first”
About ITAF:

3. Where did we come from?
• Simple storage
• No snapshots
• Cold backups
• Maintaining cron jobs per hypervisor
XEN:

4. Perfect consistency
Low downtime

5. Method
• Shutdown
• Snapshot
• Boot
• Export snapshot

6. Cheap nightly snapshots

7. Low consistency is better than
nothing at all

8. Where are we now?
• Ceph, LINSTOR, QCOW2 based storages
• Various snapshot options
• Cold/warm backups
• Centralized job schedule
KVM:

9. Future?
• QCOW2 snapshots
• New HOOKS system

10. T +32 9 277 9000
www.itaf.eu / momcilo.medic@itaf.eu
Script!

11. T +32 9 277 9000
www.itaf.eu / momcilo.medic@itaf.eu
QUESTIONS?