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>= 11.0.0
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* The list of monitor hosts/addresses for building the monmap can now be
obtained from DNS SRV records. The service name used in when querying the DNS
is defined in the "mon_dns_srv_name" config option, which defaults to
"ceph-mon".
* The 'osd class load list' config option is a list of object class names that
the OSD is permitted to load (or '*' for all classes). By default it
contains all existing in-tree classes for backwards compatibility.
* The 'osd class default list' config option is a list of object class names
(or '*' for all classes) that clients may invoke having only the '*', 'x',
'class-read', or 'class-write' capabilities. By default it contains all
existing in-tree classes for backwards compatibility. Invoking classes not
listed in 'osd class default list' requires a capability naming the class
(e.g. 'allow class foo').
11.0.0
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* If you have manually specified the monitor user rocksdb via the
``mon keyvaluedb = rocksdb`` option, you will need to manually add a file
to the mon data directory to preserve this option::
echo rocksdb > /var/lib/ceph/mon/ceph-`hostname`/kv_backend
New monitors will now use rocksdb by default, but if that file is
not present, existing monitors will use leveldb. The ``mon keyvaluedb`` option
now only affects the backend chosen when a monitor is created.
* The 'osd crush initial weight' option allows you to specify a CRUSH
weight for a newly added OSD. Previously a value of 0 (the default)
meant that we should use the size of the OSD's store to weight the
new OSD. Now, a value of 0 means it should have a weight of 0, and
a negative value (the new default) means we should automatically
weight the OSD based on its size. If your configuration file
explicitly specifies a value of 0 for this option you will need to
change it to a negative value (e.g., -1) to preserve the current
behavior.
* The `osd crush location` config option is no longer supported. Please
update your ceph.conf to use the `crush location` option instead.
* The static libraries are not included by the debian development packages
(lib*-dev) any more. As it is not required per debian packaging policy.
And their shared versions are packaged as before.
* The libtool pseudo-libraries (.la files) are not included by the debian
development packages (lib*-dev) any more. As it is unneeded, and per
https://wiki.debian.org/ReleaseGoals/LAFileRemoval and
https://www.debian.org/doc/manuals/maint-guide/advanced.en.html,
we should remove them.