Chapter 4. Deprecated functionality
This section provides an overview of functionality that has been deprecated in all minor releases up to this release of Red Hat Ceph Storage.
Deprecated functionality continues to be supported until the end of life of Red Hat Ceph Storage 5. Deprecated functionality will likely not be supported in future major releases of this product and is not recommended for new deployments. For the most recent list of deprecated functionality within a particular major release, refer to the latest version of release documentation.
NFS support for CephFS is now deprecated
NFS support for CephFS is now deprecated in favor of upcoming NFS availability in OpenShift Data Foundation. Red Hat Ceph Storage support for NFS in OpenStack Manila is not affected. Deprecated functionality will receive only bug fixes for the lifetime of the current release, and may be removed in future releases. Relevant documentation around this technology is identified as "Limited Availability".
iSCSi support is now deprecated
iSCSi support is now deprecated in favor of future NVMEoF support. Deprecated functionality will receive only bug fixes for the lifetime of the current release, and may be removed in future releases. Relevant documentation around this technology is identified as "Limited Availability".
Ceph configuration file is now deprecated
The Ceph configuration file (ceph.conf) is now deprecated in favor of new centralized configuration stored in Ceph Monitors. For details, see the The Ceph configuration database section in the Red Hat Ceph Storage Configuration Guide.
The min_compat_client parameter for Ceph File System (CephFS) is now deprecated
The min_compat_client parameter is deprecated for Red Hat Ceph Storage 5.0 and new client features are added for setting-up the Ceph File Systems (CephFS). For details, see the Client features section in the Red Hat Ceph Storage File System Guide.
The snapshot of Ceph File System subvolume group is now deprecated
The snapshot feature of Ceph File System (CephFS) subvolume group is deprecated for Red Hat Ceph Storage 5.0. The existing snapshots can be listed and deleted, whenever needed. For details, see the Listing snapshots of a file system subvolume group and Removing snapshots of a file system subvolume group sections in the Red Hat Ceph Storage Ceph File System guide.
The Cockpit Ceph Installer is now deprecated
Installing a Red Hat Ceph Storage cluster 5 using Cockpit Ceph Installer is not supported. Use Cephadm to install a Red Hat Ceph Storage cluster. For details, see the Red Hat Ceph Storage Installation guide.
