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Chapter 5. Developer previews
This section describes the developer preview features introduced in Red Hat OpenShift Data Foundation 4.14.
Developer preview feature is subject to Developer preview support limitations. Developer preview releases are not intended to be run in production environments. The clusters deployed with the developer preview features are considered to be development clusters and are not supported through the Red Hat Customer Portal case management system. If you need assistance with developer preview features, reach out to the ocs-devpreview@redhat.com mailing list and a member of the Red Hat Development Team will assist you as quickly as possible based on availability and work schedules.
5.1. Custom timeouts for the reclaim space operation
OpenShift Data Foundation now allows you to set a custom timeout value for the reclaim space operation. Previously, depending on RBD volume size and its data pattern, the reclaim space operation might have failed with the error context deadline exceeded. Adjusting the timeout value avoids this error.
For more information, see the knowledgebase article Customize timeouts for Reclaim Space Operation.
5.2. Expansion of encrypted RBD volumes
OpenShift Data Foundation now enables resize capability on encrypted RBD persistent volume claims (PVCs).
For more information, see the knowledgebase article Enabling resize for encrypted RBD PVC.
5.3. IPV6 support for external mode
OpenShift Data Foundation now allows users to use the IPv6 Red Hat Ceph Storage external standalone Ceph cluster to connect with the IPV6 OpenShift Container Platform cluster. Users can pass the IPv6 endpoints using the same endpoint flags while running the python script.
5.4. Network File System supports export sharing across namespaces
When OpenShift Data Foundation is used to dynamically create an NFS-export, the PersistentVolumeClaim is used to access the NFS-export in a pod. It is not immediately possible to use the same NFS-export for a different application in another OpenShift Namespace. You can now create a second PersistentVolume that can be bound to a second PersistentVolumeClaim in another OpenShift namespace.
For more information, see the knowledgebase article ODF provisioned NFS/PersistentVolume sharing between Namespaces.
5.5. Data compression on the wire
Data compression on the wire helps in multi-availability zones deployment by lowering latency and network costs. It also helps in cases where the network bandwidth is a bottleneck for performance.
For more information, see the knowledgeabase article In-transit compression.
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