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Chapter 5. 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.
Ubuntu is no longer supported
Installing a Red Hat Ceph Storage 4 cluster on Ubuntu is no longer supported. Use Red Hat Enterprise Linux as the underlying operating system.
5.1. The ceph-ansible Utility
Configuring iSCSI gateway using ceph-ansible is no longer supported
Configuring the Ceph iSCSI gateway by using the ceph-ansible utility is no longer supported. Use ceph-ansible to install the gateway and then use either the gwcli utility of the Red Hat Ceph Storage Dashboard to configure the gateway. For details, see the Using the Ceph iSCSI Gateway chapter in the Block Device Guide for Red Hat Ceph Storage 4.
5.2. The ceph-disk Utility
ceph-disk is deprecated
With this release, the ceph-disk utility is no longer supported. The ceph-volume utility is used instead. For details, see the Why does ceph-volume replace `ceph-disk` section in the Administration Guide for Red Hat Ceph Storage 4.
5.3. RADOS
FileStore is no longer supported in production
The FileStore OSD back end is now deprecated because the new BlueStore back end is now fully supported in production. For details, see the How to migrate the object store from FileStore to BlueStore section in the Red Hat Ceph Storage 4 Installation Guide.
Ceph configuration is now deprecated
The Ceph configuration file (ceph.conf) is now deprecated in favor of new centralized configuration stored in Monitors. For details, see the Configuration is now stored in Monitors accessible by using `ceph config` release note.
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