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Create Glance Snapshot

Via Horizon Dashboard

  1. Navigate to Project → Compute → Instances.
  2. Locate the instance you want to snapshot.
  3. In the Actions column, click the dropdown menu next to the instance and select Create Snapshot.
  4. Enter a Snapshot Name and click Create Snapshot.
  5. The snapshot will appear under Project → Compute → Images.

Via CLI

openstack server image create <instance_id> --name <snapshot_name>
  • If the instance has attached volumes, corresponding Cinder volumes will be created.
  • If the instance was booted from a volume, the snapshot will show a size of 0 and contain only metadata.


Create Volume from Snapshot

If the instance was booted from a volume and you want to store the root disk in the image repository:

Via Horizon Dashboard

  1. Go to Project → Compute → Volumes → Snapshots.
  2. Find the snapshot and select Create Volume from the action menu.
  3. Provide a name for the volume and confirm.

Via CLI

openstack volume create --snapshot <snapshot_id> <volume_name>


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