Use the Image service (glance) to store and manage disk and server images as reusable templates for provisioning servers. Supported back ends include RBD, cinder, swift, S3, and NFS.

You can configure the following back ends as stores for the Image service:

• RBD is the default back end when you use Red Hat Ceph Storage.
• RBD multistore. You can use multiple stores only with distributed edge architecture or distributed zones so that you can have an image pool at every edge site or zone.
• Block Storage service.
• Block Storage service multistore. You can use multiple stores only with distributed zones so that you can have an image pool in every zone.
• Object Storage service.
• S3.
• NFS.