doc/glossary: update bluestore entry

Update the BlueStore entry in the glossary, explaining that as of Reef
BlueStore and only BlueStore (and not FileStore) is the storage backend
for Ceph.

Signed-off-by: Zac Dover <zac.dover@proton.me>
(cherry picked from commit bcee264276128f622c35e3aab81fdecb2b8afc10)

diff --git a/doc/glossary.rst b/doc/glossary.rst
index b878181944c3d79ef7c7d8e0ab7e083b3ae6b150..0ccbd37af266e904ec599f04d495c6f827d930b5 100644 (file)
--- a/doc/glossary.rst
+++ b/doc/glossary.rst
@@ -12,12 +12,13 @@
        :ref:`BlueStore<rados_config_storage_devices_bluestore>`
                 OSD BlueStore is a storage back end used by OSD daemons, and
                 was designed specifically for use with Ceph. BlueStore was
-                introduced in the Ceph Kraken release. In the Ceph Luminous
-                release, BlueStore became Ceph's default storage back end,
-                supplanting FileStore. Unlike :term:`filestore`, BlueStore
-                stores objects directly on Ceph block devices without any file
-                system interface. Since Luminous (12.2), BlueStore has been
-                Ceph's default and recommended storage back end.
+                introduced in the Ceph Kraken release. The Luminous release of
+                Ceph promoted BlueStore to the default OSD back end,
+                supplanting FileStore. As of the Reef release, FileStore is no
+                longer available as a storage backend.
+                
+                BlueStore stores objects directly on Ceph block devices without
+                a mounted file system.  
 
         Bucket
                 In the context of :term:`RGW`, a bucket is a group of objects.