ceph/PendingReleaseNotes
Patrick Donnelly f6e1a797d4
Revert "Merge PR #19369 into master"
This reverts commit 3189ba19a7, reversing
changes made to b7620de020.

Despite the change in json format being positive, the unfortunate side-effect
is that it broke upgrade testing (because the QA framework must handle the
transition of mdsmap["info"] to a list from object) and the ceph-mgr.

Fixes: http://tracker.ceph.com/issues/22527
Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
2018-01-04 09:42:37 -08:00

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13.0.0
------
* The RBD C API's rbd_discard method now enforces a maximum length of
2GB to match the C++ API's Image::discard method. This restriction
prevents overflow of the result code.
* *CephFS*:
* Several "ceph mds" commands have been obsoleted and replaced
by equivalent "ceph fs" commands:
- mds dump -> fs dump
- mds getmap -> fs dump
- mds stop -> mds deactivate
- mds set_max_mds -> fs set max_mds
- mds set -> fs set
- mds cluster_down -> fs set cluster_down true
- mds cluster_up -> fs set cluster_down false
- mds add_data_pool -> fs add_data_pool
- mds remove_data_pool -> fs rm_data_pool
- mds rm_data_pool -> fs rm_data_pool
* New CephFS file system attributes session_timeout and session_autoclose
are configurable via `ceph fs set`. The MDS config options
mds_session_timeout, mds_session_autoclose, and mds_max_file_size are now
obsolete.
>= 12.2.2
---------
- *CephFS*:
* The CephFS client now catches failures to clear dentries during startup
and refuses to start as consistency and untrimmable cache issues may
develop. The new option client_die_on_failed_dentry_invalidate (default:
true) may be turned off to allow the client to proceed (dangerous!).