v15.2.9 Octopus released

We're happy to announce the 9th backport release in the Octopus series. We recommend users to update to this release. For a detailed release notes with links & changelog please refer to the official blog entry at https://ceph.io/releases/v15-2-9-Octopus-released Notable Changes --------------- * MGR: progress module can now be turned on/off, using the commands: ``ceph progress on`` and ``ceph progress off``. * OSD: PG removal has been optimized in this release. Getting Ceph ------------ * Git at git://github.com/ceph/ceph.git * Tarball at http://download.ceph.com/tarballs/ceph-15.2.9.tar.gz * For packages, see http://docs.ceph.com/docs/master/install/get-packages/ * Release git sha1: 357616cbf726abb779ca75a551e8d02568e15b17