v14.2.12 Nautilus released

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This is the 12th backport release in the Nautilus series. This release
brings a number of bugfixes across all major components of Ceph. We
recommend that all Nautilus users upgrade to this release. For a
detailed release notes with links & changelog please
refer to the official blog entry at
https://ceph.io/releases/v14-2-12-nautilus-released


Notable Changes
---------------
* The `ceph df` command now lists the number of pgs in each pool.

* Monitors now have a config option `mon_osd_warn_num_repaired`, 10 by
default. If any OSD has repaired more than this many I/O errors in
stored data a `OSD_TOO_MANY_REPAIRS` health warning is generated. In
order to allow clearing of the warning, a new command `ceph tell osd.#
clear_shards_repaired [count]` has been added. By default it will set
the repair count to 0. If you wanted to be warned again if additional
repairs are performed you can provide a value to the command and specify
the value of `mon_osd_warn_num_repaired`. This command will be replaced
in future releases by the health mute/unmute feature.

* It is now possible to specify the initial monitor to contact for Ceph
tools and daemons using the `mon_host_override` config option or
`--mon-host-override <ip>` command-line switch. This generally should
only be used for debugging and only affects initial communication with
Ceph’s monitor cluster.


Getting Ceph
------------
* Git at git://github.com/ceph/ceph.git
* Tarball at http://download.ceph.com/tarballs/ceph-14.2.12.tar.gz
* For packages, see http://docs.ceph.com/docs/master/install/get-packages/
* Release git sha1: 2f3caa3b8b3d5c5f2719a1e9d8e7deea5ae1a5c6
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