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doc: add note about mon trimming of old MDSMaps

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Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
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Patrick Donnelly 2021-08-03 10:57:28 -07:00 committed by David Galloway
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commit 8633a5f637
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doc/releases/octopus.rst
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@ -19,6 +19,14 @@ Notable Changes
If you want to return back the old behavior add 'ssl_options=' (empty) to
``rgw frontends`` configuration.
* CephFS: old clusters (pre-Jewel) that did not use CephFS have legacy data
structures in the ceph-mon stores. These structures are not understood by
Pacific monitors. With Octopus v15.2.14, the monitors have been taught to flush
and trim these old structures out in preparation for an upgrade to Pacific or
Quincy. For more information, see
`Issue 51673 <https://tracker.ceph.com/issues/51673>`.
Changelog
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