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doc/release-notes: v0.71
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Signed-off-by: Sage Weil <[email protected]>
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Sage Weil committed Oct 18, 2013
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v0.71
~~~~~

* The MDS now disallows snapshots by default as they are not
considered stable. The command 'ceph mds set allow_snaps' will
enable them.

* For clusters that were created before v0.44 (pre-argonaut, Spring
2012) and store radosgw data, the auto-upgrade from TMAP to OMAP
objects has been disabled. Before upgrading, make sure that any
buckets created on pre-argonaut releases have been modified (e.g.,
by PUTing and then DELETEing an object from each bucket). Any
cluster created with argonaut (v0.48) or a later release or not
using radosgw never relied on the automatic conversion and is not
affected by this change.

* Any direct users of the 'tmap' portion of the librados API should be
aware that the automatic tmap -> omap conversion functionality has
been removed.

* Most output that used K or KB (e.g., for kilobyte) now uses a
lower-case k to match the official SI convention. Any scripts that
parse output and check for an upper-case K will need to be modified.

v0.72
~~~~~

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75 changes: 75 additions & 0 deletions doc/release-notes.rst
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Release Notes
===============

v0.71
-----

This development release includes a significant amount of new code and
refactoring, as well as a lot of preliminary functionality that will be needed
for erasure coding and tiering support. There are also several significant
patch sets improving this with the MDS.

Upgrading
~~~~~~~~~

* The MDS now disallows snapshots by default as they are not
considered stable. The command 'ceph mds set allow_snaps' will
enable them.

* For clusters that were created before v0.44 (pre-argonaut, Spring
2012) and store radosgw data, the auto-upgrade from TMAP to OMAP
objects has been disabled. Before upgrading, make sure that any
buckets created on pre-argonaut releases have been modified (e.g.,
by PUTing and then DELETEing an object from each bucket). Any
cluster created with argonaut (v0.48) or a later release or not
using radosgw never relied on the automatic conversion and is not
affected by this change.

* Any direct users of the 'tmap' portion of the librados API should be
aware that the automatic tmap -> omap conversion functionality has
been removed.

* Most output that used K or KB (e.g., for kilobyte) now uses a
lower-case k to match the official SI convention. Any scripts that
parse output and check for an upper-case K will need to be modified.

Notable Changes
~~~~~~~~~~~~~~~

* build: Makefile refactor (Roald J. van Loon)
* ceph-disk: fix journal preallocation
* ceph-fuse: trim deleted inodes from cache (Yan, Zheng)
* ceph-fuse: use newer fuse api (Jianpeng Ma)
* ceph-kvstore-tool: new tool for working with leveldb (copy, crc) (Joao Luis)
* common: bloom_filter improvements, cleanups
* common: correct SI is kB not KB (Dan Mick)
* common: misc portability fixes (Noah Watkins)
* hadoop: removed old version of shim to avoid confusing users (Noah Watkins)
* librados: fix installed header #includes (Dan Mick)
* librbd, ceph-fuse: avoid some sources of ceph-fuse, rbd cache stalls
* mds: fix LOOKUPSNAP bug
* mds: fix standby-replay when we fall behind (Yan, Zheng)
* mds: fix stray directory purging (Yan, Zheng)
* mon, osd: improve osdmap trimming logic (Samuel Just)
* mon: kv properties for pools to support EC (Loic Dachary)
* mon: some auth check cleanups (Joao Luis)
* mon: track per-pool stats (Joao Luis)
* mon: warn about pools with bad pg_num
* osd: automatically detect proper xattr limits (David Zafman)
* osd: avoid extra copy in erasure coding reference implementation (Loic Dachary)
* osd: basic cache pool redirects (Greg Farnum)
* osd: basic whiteout, dirty flag support (not yet used)
* osd: clean up and generalize copy-from code (Greg Farnum)
* osd: erasure coding doc updates (Loic Dachary)
* osd: erasure coding plugin infrastructure, tests (Loic Dachary)
* osd: fix RWORDER flags
* osd: fix exponential backoff of slow request warnings (Loic Dachary)
* osd: generalized temp object infrastructure
* osd: ghobject_t infrastructure for EC (David Zafman)
* osd: improvements for compatset support and storage (David Zafman)
* osd: misc copy-from improvements
* osd: opportunistic crc checking on stored data (off by default)
* osd: refactor recovery using PGBackend (Samuel Just)
* osd: remove old magical tmap->omap conversion
* pybind: fix blacklisting nonce (Loic Dachary)
* rgw: default log level is now more reasonable (Yehuda Sadeh)
* rgw: fix acl group check (Yehuda Sadeh)
* sysvinit: fix shutdown order (mons last) (Alfredo Deza)

v0.70
-----

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