Configure external-snapshot-metadata sidecar container for RBD deployment
Updated -
A new CSI API of OpenShift Container Platform enables identification of the changed blocks between snapshots of CSI volumes. These APIs help with efficient and incremental backups by allowing backup applications to retrieve only the data that has changed.
To support this feature, Ceph-CSI needs to include an external-snapshot-metadata sidecar in the RBD controller plugin.
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