As a cluster administrator, you install the OpenShift API for Data Protection (OADP) by installing the OADP Operator. The OADP Operator installs Velero 1.7.
Starting from OADP 1.0.4, all OADP 1.0.z versions can only be used as a dependency of the MTC Operator and are not available as a standalone Operator.
To back up Kubernetes resources and internal images, you must have object storage as a backup location, such as one of the following storage types:
For more information about the support scope of Red Hat Technology Preview features, see https://access.redhat.com/support/offerings/techpreview/.
You can back up persistent volumes (PVs) by using snapshots or Restic.
To back up PVs with snapshots, you must have a cloud provider that supports either a native snapshot API or Container Storage Interface (CSI) snapshots, such as one of the following cloud providers:
If your cloud provider does not support snapshots or if your storage is NFS, you can back up applications with Restic.
You create a
Secret object for your storage provider credentials and then you install the Data Protection Application.
If you use cluster storage for your NooBaa bucket
backupStorageLocation on OpenShift Container Storage, configure NooBaa as an external object store.
Failure to configure NooBaa as an external object store might lead to backups not being available.
Configure NooBaa as an external object store as described in Adding storage resources for hybrid or Multicloud.
Overview of backup locations and snapshot locations in the Velero documentation.
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When you install an OADP Operator, you choose an update channel. This channel determines which upgrades to the OADP Operator and to Velero you receive. You can switch channels at any time.
There are three update channels:
The stable channel contains the latest minor updates (y-stream updates) and patches (z-stream updates) of OADP ClusterServiceVersion`. As each new release is published, the available
ClusterServiceVersion of the OADP Operator will be appended with the latest available minor patch.
The stable-1.0 channel contains
oadp.v1.0.z, the most recent OADP 1.0
The stable-1.1 channel contains
oadp.v1.1.z, the most recent OADP 1.1
Which update channel is right for you?
Choose the stable update channel to install the latest stable OADP version and to receive both minor updates and patches. If you choose this channel, you will receive all y-stream and all z-stream updates for version x.y.z.
Choose the stable-1.y update channel to install OADP 1.y and to continue receiving patches for it. If you choose this channel, you will receive all z-stream patches for version 1.y.z.
When must you switch update channels?
If you have OADP 1.y installed and you want to receive patches only for that y-stream, you must switch from the stable update channel to the stable-1.y update channel. You will then receive all z-stream patches for version 1.y.z.
If you have OADP 1.0 installed, want to upgrade to OADP 1.1, and then receive patches only for OADP 1.1, you must switch from the stable-1.0 update channel to the stable-1.1 update channel. You will then receive all z-stream patches for version 1.1.z.
If you have OADP 1.y installed, with y greater than 0, and want to switch to OADP 1.0, you must uninstall your OADP Operator and then reinstall it using the stable-1.0 update channel. You will then receive all z-stream patches for version 1.0.z.
You cannot switch from OADP 1.y to OADP 1.0 by switching update channels. You must uninstall the Operator and then reinstall it.