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Chapter 4. Technology previews
This section describes the technology preview features introduced in Red Hat OpenShift Data Foundation 4.12 under Technology Preview support limitations.
Technology Preview features are not supported with Red Hat production service level agreements (SLAs), might not be functionally complete, and Red Hat does not recommend using them for production. These features provide early access to upcoming product features, enabling customers to test functionality and provide feedback during the development process.
Technology Preview features are provided with a limited support scope, as detailed on the Customer Portal: Technology Preview Features Support Scope.
4.1. Disaster recovery solutions for OpenShift Workloads
The OpenShift Data Foundation disaster recovery (DR) capability enables DR across multiple OpenShift Container Platform clusters, and is categorized as follows:
Regional disaster recovery (Regional-DR)
Regional-DR solution provides automated protection for block volumes, asynchronous replication, and protects business functionalities when a disaster strikes at a geographical location. In the public cloud this is similar to protecting from a region failure. For more information, see the planning guide and Regional-DR solution for OpenShift Data Foundation guide.
Multicluster monitoring in Red Hat Advanced Cluster Management console
Multicluster monitoring is a single simplified view of storage health and capacity spread across multiple clusters. This multicluster monitoring enables you to manage the storage capacity and monitor the OpenShift Data Foundation clusters from the Red Hat Advanced Cluster Management (RHACM) user interface. This monitoring capability applies to both DR and non-DR clusters. For more information, see Monitoring multicluster storage health.
Availability of Regional-DR asynchronously for CephFS volumes
Regional-DR solution now expands customer DR workload capabilities by adding Regional-DR tasks such as orchestration, failover, and relocate on CephFS volumes using the OpenShift console that is similar to the OpenShift Data Foundation experience with Regional-DR on Ceph RBD volumes. For more information, see the planning guide and Regional-DR solution guide.
4.2. Network File System new capabilities
With this release, OpenShift Data Foundation provides Network File System (NFS) v4.1 and v4.2 service for any internal or external applications. The NFS service helps to migrate data from any environment to the OpenShift environment, for example, data migration from Red Hat Gluster Storage file system to OpenShift environment. NFS features also include volume expansion, snapshot creation and deletion, and volume cloning.
For more information, see Resource requirements for using Network File system and Creating exports using NFS.
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