Merge pull request #8211 from liewegas/wip-jewel

doc: draft notes for jewel

PendingReleaseNotes

@@ -1,36 +0,0 @@
-v10.0.0
-======
-
-* The rbd CLI no longer accepts the deprecated '--image-features' option
-  during create, import, and clone operations.  The '--image-feature'
-  option should be used instead.
-
-* The rbd legacy image format (version 1) is deprecated with the Jewel release.
-  Attempting to create a new version 1 RBD image will result in a warning.
-  Future releases of Ceph will remove support for version 1 RBD images.
-
-* The default RBD image features for new images have been updated to enable
-  the following: exclusive lock, object map, fast-diff, and deep-flatten.
-  These features are not currently supported by the RBD kernel driver nor older
-  RBD clients. These features can be disabled on a per-image basis via the RBD
-  CLI or the default features can be updated to the pre-Jewel setting by adding
-  the following to the client section of the Ceph configuration file:
-    rbd default features = 1
-
-* The 'send_pg_creates' and 'map_pg_creates' mon CLI commands are
-  obsolete and no longer supported.
-
-* A new configure option 'mon_election_timeout' is added to specifically
-  limit max waiting time of monitor election process, which was previously
-  restricted by 'mon_lease'.
-
-* CephFS filesystems created using versions older than Firefly (0.80) must
-  use the new "cephfs-data-scan tmap_upgrade" command after upgrading to
-  Jewel.  See 'Upgrading' in the CephFS documentation for more information.
-
-v9.3.0
-======
-* Some symbols wrongly exposed by librados in v9.1.0 and v9.2.0 were removed.
-  If you compiled your own application against librados shipped with these
-  releases, it is very likely referencing these removed symbols. So you will
-  need to recompile it.