ceph/PendingReleaseNotes
Patrick Donnelly 3189ba19a7
Merge PR #19369 into master
* refs/pull/19369/head:
	qa: update handling of fs status format
	PendingReleaseNotes: add note for format change
	mds/MDSMap : use arrary_section for mds stat

Reviewed-by: Patrick Donnelly <pdonnell@redhat.com>
Reviewed-by: Zheng Yan <zyan@redhat.com>
Reviewed-by: Xiaoxi Chen <xiaoxchen@ebay.com>
2017-12-21 20:21:18 -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.
* The JSON format of `ceph fs status` and `ceph mds stat` has changed
for the "up" and "info" sections of the mds_map.
>= 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!).