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OpenNebulaConf2019 - Image Backups in OpenNebula - Momčilo Medić - ITAF

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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.

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OpenNebulaConf2019 - Image Backups in OpenNebula - Momčilo Medić - ITAF

  1. 1. T +32 9 277 9000 www.itaf.eu / momcilo.medic@itaf.eu Image backups in OpenNebula
  2. 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. 3. Where did we come from? • Simple storage • No snapshots • Cold backups • Maintaining cron jobs per hypervisor XEN:
  4. 4. Perfect consistency Low downtime
  5. 5. Method • Shutdown • Snapshot • Boot • Export snapshot
  6. 6. Cheap nightly snapshots
  7. 7. Low consistency is better than nothing at all
  8. 8. Where are we now? • Ceph, LINSTOR, QCOW2 based storages • Various snapshot options • Cold/warm backups • Centralized job schedule KVM:
  9. 9. Future? • QCOW2 snapshots • New HOOKS system
  10. 10. T +32 9 277 9000 www.itaf.eu / momcilo.medic@itaf.eu Script!
  11. 11. T +32 9 277 9000 www.itaf.eu / momcilo.medic@itaf.eu QUESTIONS?

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