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This cleans up the index on the left so that the release name/series is listed instead of a zillion point releases. Also, drop the separate page for archived releases, so that the left-hand index behaves well. Signed-off-by: Sage Weil <sage@newdream.net>
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721 lines
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==========
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Cuttlefish
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==========
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Cuttlefish is the 3rd stable release of Ceph. It is named after a type
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of cephalopod (order Sepiida) characterized by a unique internal shell, the
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cuttlebone, which is used for control of bouyancy.
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v0.61.9 "Cuttlefish"
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====================
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This point release resolves several low to medium-impact bugs across
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the code base, and fixes a performance problem (CPU utilization) with
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radosgw. We recommend that all production cuttlefish users upgrade.
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Notable Changes
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---------------
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* ceph, ceph-authtool: fix help (Danny Al-Gaaf)
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* ceph-disk: partprobe after creating journal partition
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* ceph-disk: specific fs type when mounting (Alfredo Deza)
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* ceph-fuse: fix bug when compiled against old versions
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* ceph-fuse: fix use-after-free in caching code (Yan, Zheng)
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* ceph-fuse: misc caching bugs
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* ceph.spec: remove incorrect mod_fcgi dependency (Gary Lowell)
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* crush: fix name caching
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* librbd: fix bug when unpausing cluster (Josh Durgin)
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* mds: fix LAZYIO lock hang
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* mds: fix bug in file size recovery (after client crash)
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* mon: fix paxos recovery corner case
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* osd: fix exponential backoff for slow request warnings (Loic Dachary)
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* osd: fix readdir_r usage
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* osd: fix startup for long-stopped OSDs
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* rgw: avoid std::list::size() to avoid wasting CPU cycles (Yehuda Sadeh)
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* rgw: drain pending requests during write (fixes data safety issue) (Yehuda Sadeh)
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* rgw: fix authenticated users group ACL check (Yehuda Sadeh)
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* rgw: fix bug in POST (Yehuda Sadeh)
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* rgw: fix sysvinit script 'status' command, return value (Danny Al-Gaaf)
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* rgw: reduce default log level (Yehuda Sadeh)
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For more detailed information, see :download:`the complete changelog <../changelog/v0.61.9.txt>`.
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v0.61.8 "Cuttlefish"
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====================
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This release includes a number of important issues, including rare
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race conditions in the OSD, a few monitor bugs, and fixes for RBD
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flush behavior. We recommend that production users upgrade at their
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convenience.
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Notable Changes
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---------------
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* librados: fix async aio completion wakeup
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* librados: fix aio completion locking
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* librados: fix rare deadlock during shutdown
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* osd: fix race when queueing recovery operations
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* osd: fix possible race during recovery
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* osd: optionally preload rados classes on startup (disabled by default)
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* osd: fix journal replay corner condition
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* osd: limit size of peering work queue batch (to speed up peering)
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* mon: fix paxos recovery corner case
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* mon: fix rare hang when monmap updates during an election
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* mon: make 'osd pool mksnap ...' avoid exposing uncommitted state
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* mon: make 'osd pool rmsnap ...' not racy, avoid exposing uncommitted state
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* mon: fix bug during mon cluster expansion
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* rgw: fix crash during multi delete operation
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* msgr: fix race conditions during osd network reinitialization
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* ceph-disk: apply mount options when remounting
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For more detailed information, see :download:`the complete changelog <../changelog/v0.61.8.txt>`.
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v0.61.7 "Cuttlefish"
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====================
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This release fixes another regression preventing monitors to start after
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undergoing certain upgrade sequences, as well as some corner cases with
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Paxos and support for unusual device names in ceph-disk/ceph-deploy.
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Notable Changes
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---------------
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* mon: fix regression in latest full osdmap retrieval
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* mon: fix a long-standing bug in a paxos corner case
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* ceph-disk: improved support for unusual device names (e.g., /dev/cciss/c0d0)
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For more detailed information, see :download:`the complete changelog <../changelog/v0.61.7.txt>`.
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v0.61.6 "Cuttlefish"
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====================
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This release fixes a regression in v0.61.5 that could prevent monitors
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from restarting. This affects any cluster that was upgraded from a
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previous version of Ceph (and not freshly created with v0.61.5).
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All users are strongly recommended to upgrade.
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Notable Changes
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---------------
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* mon: record latest full osdmap
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* mon: work around previous bug in which latest full osdmap is not recorded
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* mon: avoid scrub while updating
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For more detailed information, see :download:`the complete changelog <../changelog/v0.61.6.txt>`.
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v0.61.5 "Cuttlefish"
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====================
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This release most improves stability of the monitor and fixes a few
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bugs with the ceph-disk utility (used by ceph-deploy). We recommend
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that all v0.61.x users upgrade.
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Upgrading
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---------
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* This release fixes a 32-bit vs 64-bit arithmetic bug with the
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feature bits. An unfortunate consequence of the fix is that 0.61.4
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(or earlier) ceph-mon daemons can't form a quorum with 0.61.5 (or
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later) monitors. To avoid the possibility of service disruption, we
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recommend you upgrade all monitors at once.
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Notable Changes
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---------------
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* mon: misc sync improvements (faster, more reliable, better tuning)
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* mon: enable leveldb cache by default (big performance improvement)
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* mon: new scrub feature (primarily for diagnostic, testing purposes)
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* mon: fix occasional leveldb assertion on startup
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* mon: prevent reads until initial state is committed
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* mon: improved logic for trimming old osdmaps
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* mon: fix pick_addresses bug when expanding mon cluster
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* mon: several small paxos fixes, improvements
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* mon: fix bug osdmap trim behavior
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* osd: fix several bugs with PG stat reporting
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* osd: limit number of maps shared with peers (which could cause domino failures)
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* rgw: fix radosgw-admin buckets list (for all buckets)
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* mds: fix occasional client failure to reconnect
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* mds: fix bad list traversal after unlink
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* mds: fix underwater dentry cleanup (occasional crash after mds restart)
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* libcephfs, ceph-fuse: fix occasional hangs on umount
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* libcephfs, ceph-fuse: fix old bug with O_LAZY vs O_NOATIME confusion
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* ceph-disk: more robust journal device detection on RHEL/CentOS
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* ceph-disk: better, simpler locking
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* ceph-disk: do not inadvertantely mount over existing osd mounts
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* ceph-disk: better handling for unusual device names
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* sysvinit, upstart: handle symlinks in /var/lib/ceph/*
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For more detailed information, see :download:`the complete changelog <../changelog/v0.61.5.txt>`.
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v0.61.4 "Cuttlefish"
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====================
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This release resolves a possible data corruption on power-cycle when
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using XFS, a few outstanding problems with monitor sync, several
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problems with ceph-disk and ceph-deploy operation, and a problem with
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OSD memory usage during scrub.
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Upgrading
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---------
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* No issues.
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Notable Changes
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---------------
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* mon: fix daemon exit behavior when error is encountered on startup
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* mon: more robust sync behavior
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* osd: do not use sync_file_range(2), posix_fadvise(...DONTNEED) (can cause data corruption on power loss on XFS)
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* osd: avoid unnecessary log rewrite (improves peering speed)
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* osd: fix scrub efficiency bug (problematic on old clusters)
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* rgw: fix listing objects that start with underscore
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* rgw: fix deep URI resource, CORS bugs
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* librados python binding: fix truncate on 32-bit architectures
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* ceph-disk: fix udev rules
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* rpm: install sysvinit script on package install
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* ceph-disk: fix OSD start on machine reboot on Debian wheezy
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* ceph-disk: activate OSD when journal device appears second
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* ceph-disk: fix various bugs on RHEL/CentOS 6.3
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* ceph-disk: add 'zap' command
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* ceph-disk: add '[un]suppress-activate' command for preparing spare disks
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* upstart: start on runlevel [2345] (instead of after the first network interface starts)
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* ceph-fuse, libcephfs: handle mds session reset during session open
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* ceph-fuse, libcephfs: fix two capability revocation bugs
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* ceph-fuse: fix thread creation on startup
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* all daemons: create /var/run/ceph directory on startup if missing
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For more detailed information, see :download:`the complete changelog <../changelog/v0.61.4.txt>`.
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v0.61.3 "Cuttlefish"
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====================
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This release resolves a number of problems with the monitors and leveldb that users have
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been seeing. Please upgrade.
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Upgrading
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---------
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* There is one known problem with mon upgrades from bobtail. If the
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ceph-mon conversion on startup is aborted or fails for some reason, we
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do not correctly error out, but instead continue with (in certain cases)
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odd results. Please be careful if you have to restart the mons during
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the upgrade. A 0.61.4 release with a fix will be out shortly.
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* In the meantime, for current cuttlefish users, v0.61.3 is safe to use.
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Notable Changes
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---------------
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* mon: paxos state trimming fix (resolves runaway disk usage)
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* mon: finer-grained compaction on trim
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* mon: discard messages from disconnected clients (lowers load)
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* mon: leveldb compaction and other stats available via admin socket
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* mon: async compaction (lower overhead)
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* mon: fix bug incorrectly marking osds down with insufficient failure reports
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* osd: fixed small bug in pg request map
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* osd: avoid rewriting pg info on every osdmap
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* osd: avoid internal heartbeta timeouts when scrubbing very large objects
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* osd: fix narrow race with journal replay
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* mon: fixed narrow pg split race
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* rgw: fix leaked space when copying object
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* rgw: fix iteration over large/untrimmed usage logs
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* rgw: fix locking issue with ops log socket
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* rgw: require matching version of librados
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* librbd: make image creation defaults configurable (e.g., create format 2 images via qemu-img)
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* fix units in 'ceph df' output
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* debian: fix prerm/postinst hooks to start/stop daemons appropriately
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* upstart: allow uppercase daemons names (and thus hostnames)
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* sysvinit: fix enumeration of local daemons by type
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* sysvinit: fix osd weight calcuation when using -a
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* fix build on unsigned char platforms (e.g., arm)
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For more detailed information, see :download:`the complete changelog <../changelog/v0.61.3.txt>`.
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v0.61.2 "Cuttlefish"
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====================
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This release disables a monitor debug log that consumes disk space and
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fixes a bug when upgrade some monitors from bobtail to cuttlefish.
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Notable Changes
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---------------
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* mon: fix conversion of stores with duplicated GV values
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* mon: disable 'mon debug dump transactions' by default
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For more detailed information, see :download:`the complete changelog <../changelog/v0.61.2.txt>`.
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v0.61.1 "Cuttlefish"
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====================
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This release fixes a problem when upgrading a bobtail cluster that had
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snapshots to cuttlefish.
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Notable Changes
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---------------
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* osd: handle upgrade when legacy snap collections are present; repair from previous failed restart
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* ceph-create-keys: fix race with ceph-mon startup (which broke 'ceph-deploy gatherkeys ...')
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* ceph-create-keys: gracefully handle bad response from ceph-osd
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* sysvinit: do not assume default osd_data when automatically weighting OSD
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* osd: avoid crash from ill-behaved classes using getomapvals
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* debian: fix squeeze dependency
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* mon: debug options to log or dump leveldb transactions
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For more detailed information, see :download:`the complete changelog <../changelog/v0.61.1.txt>`.
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v0.61 "Cuttlefish"
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==================
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Upgrading from v0.60
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--------------------
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* The ceph-deploy tool is now the preferred method of provisioning
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new clusters. For existing clusters created via mkcephfs that
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would like to transition to the new tool, there is a migration
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path, documented at `Transitioning to ceph-deploy`_.
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* The sysvinit script (/etc/init.d/ceph) will now verify (and, if
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necessary, update) the OSD's position in the CRUSH map on startup.
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(The upstart script has always worked this way.) By default, this
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ensures that the OSD is under a 'host' with a name that matches the
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hostname (``hostname -s``). Legacy clusters create with mkcephfs do
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this by default, so this should not cause any problems, but legacy
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clusters with customized CRUSH maps with an alternate structure
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should set ``osd crush update on start = false``.
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* radosgw-admin now uses the term zone instead of cluster to describe
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each instance of the radosgw data store (and corresponding
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collection of radosgw daemons). The usage for the radosgw-admin
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command and the 'rgw zone root pool' config options have changed
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accordingly.
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* rbd progress indicators now go to standard error instead of standard
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out. (You can disable progress with --no-progress.)
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* The 'rbd resize ...' command now requires the --allow-shrink option
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when resizing to a smaller size. Expanding images to a larger size
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is unchanged.
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* Please review the changes going back to 0.56.4 if you are upgrading
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all the way from bobtail.
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* The old 'ceph stop_cluster' command has been removed.
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* The sysvinit script now uses the ceph.conf file on the remote host
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when starting remote daemons via the '-a' option. Note that if '-a'
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is used in conjunction with '-c path', the path must also be present
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on the remote host (it is not copied to a temporary file, as it was
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previously).
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Upgrading from v0.56.4 "Bobtail"
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--------------------------------
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Please see `Upgrading from Bobtail to Cuttlefish`_ for details.
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.. _Upgrading from Bobtail to Cuttlefish: ../install/upgrading-ceph/#upgrading-from-bobtail-to-cuttlefish
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* The ceph-deploy tool is now the preferred method of provisioning
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new clusters. For existing clusters created via mkcephfs that
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would like to transition to the new tool, there is a migration
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path, documented at `Transitioning to ceph-deploy`_.
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.. _Transitioning to ceph-deploy: ../rados/deployment/ceph-deploy-transition
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* The sysvinit script (/etc/init.d/ceph) will now verify (and, if
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necessary, update) the OSD's position in the CRUSH map on startup.
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(The upstart script has always worked this way.) By default, this
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ensures that the OSD is under a 'host' with a name that matches the
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hostname (``hostname -s``). Legacy clusters create with mkcephfs do
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this by default, so this should not cause any problems, but legacy
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clusters with customized CRUSH maps with an alternate structure
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should set ``osd crush update on start = false``.
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* radosgw-admin now uses the term zone instead of cluster to describe
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each instance of the radosgw data store (and corresponding
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collection of radosgw daemons). The usage for the radosgw-admin
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command and the 'rgw zone root pool' config options have changed
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accordingly.
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* rbd progress indicators now go to standard error instead of standard
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out. (You can disable progress with --no-progress.)
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* The 'rbd resize ...' command now requires the --allow-shrink option
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when resizing to a smaller size. Expanding images to a larger size
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is unchanged.
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* Please review the changes going back to 0.56.4 if you are upgrading
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all the way from bobtail.
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* The old 'ceph stop_cluster' command has been removed.
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* The sysvinit script now uses the ceph.conf file on the remote host
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when starting remote daemons via the '-a' option. Note that if '-a'
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is used in conjunction with '-c path', the path must also be present
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on the remote host (it is not copied to a temporary file, as it was
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previously).
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* The monitor is using a completely new storage strategy and
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intra-cluster protocol. This means that cuttlefish and bobtail
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monitors do not talk to each other. When you upgrade each one, it
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will convert its local data store to the new format. Once you
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upgrade a majority, the quorum will be formed using the new protocol
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and the old monitors will be blocked out until they too get
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upgraded. For this reason, we recommend not running a mixed-version
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cluster for very long.
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* ceph-mon now requires the creation of its data directory prior to
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--mkfs, similarly to what happens on ceph-osd. This directory is no
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longer automatically created, and custom scripts should be adjusted to
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reflect just that.
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* The monitor now enforces that MDS names be unique. If you have
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multiple daemons start with with the same id (e.g., ``mds.a``) the
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second one will implicitly mark the first as failed. This makes
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things less confusing and makes a daemon restart faster (we no
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longer wait for the stopped daemon to time out) but existing
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multi-mds configurations may need to be adjusted accordingly to give
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daemons unique names.
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* The 'ceph osd pool delete <poolname>' and 'rados rmpool <poolname>'
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now have safety interlocks with loud warnings that make you confirm
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pool removal. Any scripts currently rely on these functions zapping
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data without confirmation need to be adjusted accordingly.
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Notable Changes from v0.60
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--------------------------
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* rbd: incremental backups
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* rbd: only set STRIPINGV2 feature if striping parameters are incompatible with old versions
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* rbd: require --allow-shrink for resizing images down
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* librbd: many bug fixes
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* rgw: management REST API
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* rgw: fix object corruption on COPY to self
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* rgw: new sysvinit script for rpm-based systems
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* rgw: allow buckets with '_'
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* rgw: CORS support
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* mon: many fixes
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* mon: improved trimming behavior
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* mon: fix data conversion/upgrade problem (from bobtail)
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* mon: ability to tune leveldb
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* mon: config-keys service to store arbitrary data on monitor
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* mon: 'osd crush add|link|unlink|add-bucket ...' commands
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* mon: trigger leveldb compaction on trim
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* osd: per-rados pool quotas (objects, bytes)
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* osd: tool to export, import, and delete PGs from an individual OSD data store
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* osd: notify mon on clean shutdown to avoid IO stall
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* osd: improved detection of corrupted journals
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* osd: ability to tune leveldb
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* osd: improve client request throttling
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* osd, librados: fixes to the LIST_SNAPS operation
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* osd: improvements to scrub error repair
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* osd: better prevention of wedging OSDs with ENOSPC
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* osd: many small fixes
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* mds: fix xattr handling on root inode
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* mds: fixed bugs in journal replay
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* mds: many fixes
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* librados: clean up snapshot constant definitions
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* libcephfs: calls to query CRUSH topology (used by Hadoop)
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* ceph-fuse, libcephfs: misc fixes to mds session management
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* ceph-fuse: disabled cache invalidation (again) due to potential deadlock with kernel
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* sysvinit: try to start all daemons despite early failures
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* ceph-disk: new 'list' command
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* ceph-disk: hotplug fixes for RHEL/CentOS
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* ceph-disk: fix creation of OSD data partitions on >2TB disks
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* osd: fix udev rules for RHEL/CentOS systems
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* fix daemon logging during initial startup
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Notable changes from v0.56 "Bobtail"
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------------------------------------
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* always use installed system leveldb (Gary Lowell)
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* auth: ability to require new cephx signatures on messages (still off by default)
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* buffer unit testing (Loic Dachary)
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* ceph tool: some CLI interface cleanups
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* ceph-disk: improve multicluster support, error handling (Sage Weil)
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* ceph-disk: support for dm-crypt (Alexandre Marangone)
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* ceph-disk: support for sysvinit, directories or partitions (not full disks)
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* ceph-disk: fix mkfs args on old distros (Alexandre Marangone)
|
|
* ceph-disk: fix creation of OSD data partitions on >2TB disks
|
|
* ceph-disk: hotplug fixes for RHEL/CentOS
|
|
* ceph-disk: new 'list' command
|
|
* ceph-fuse, libcephfs: misc fixes to mds session management
|
|
* ceph-fuse: disabled cache invalidation (again) due to potential deadlock with kernel
|
|
* ceph-fuse: enable kernel cache invalidation (Sam Lang)
|
|
* ceph-fuse: fix statfs(2) reporting
|
|
* ceph-fuse: session handling cleanup, bug fixes (Sage Weil)
|
|
* crush: ability to create, remove rules via CLI
|
|
* crush: update weights for all instances of an item, not just the first (Sage Weil)
|
|
* fix daemon logging during initial startup
|
|
* fixed log rotation (Gary Lowell)
|
|
* init-ceph, mkcephfs: close a few security holes with -a (Sage Weil)
|
|
* libcephfs: calls to query CRUSH topology (used by Hadoop)
|
|
* libcephfs: many fixes, cleanups with the Java bindings
|
|
* libcephfs: new topo API requests for Hadoop (Noah Watkins)
|
|
* librados: clean up snapshot constant definitions
|
|
* librados: fix linger bugs (Josh Durgin)
|
|
* librbd: fixed flatten deadlock (Josh Durgin)
|
|
* librbd: fixed some locking issues with flatten (Josh Durgin)
|
|
* librbd: many bug fixes
|
|
* librbd: optionally wait for flush before enabling writeback (Josh Durgin)
|
|
* many many cleanups (Danny Al-Gaaf)
|
|
* mds, ceph-fuse: fix bugs with replayed requests after MDS restart (Sage Weil)
|
|
* mds, ceph-fuse: manage layouts via xattrs
|
|
* mds: allow xattrs on root
|
|
* mds: fast failover between MDSs (enforce unique mds names)
|
|
* mds: fix xattr handling on root inode
|
|
* mds: fixed bugs in journal replay
|
|
* mds: improve session cleanup (Sage Weil)
|
|
* mds: many fixes (Yan Zheng)
|
|
* mds: misc bug fixes with clustered MDSs and failure recovery
|
|
* mds: misc bug fixes with readdir
|
|
* mds: new encoding for all data types (to allow forward/backward compatibility) (Greg Farnum)
|
|
* mds: store and update backpointers/traces on directory, file objects (Sam Lang)
|
|
* mon: 'osd crush add|link|unlink|add-bucket ...' commands
|
|
* mon: ability to tune leveldb
|
|
* mon: approximate recovery, IO workload stats
|
|
* mon: avoid marking entire CRUSH subtrees out (e.g., if an entire rack goes offline)
|
|
* mon: config-keys service to store arbitrary data on monitor
|
|
* mon: easy adjustment of crush tunables via 'ceph osd crush tunables ...'
|
|
* mon: easy creation of crush rules vai 'ceph osd rule ...'
|
|
* mon: fix data conversion/upgrade problem (from bobtail)
|
|
* mon: improved trimming behavior
|
|
* mon: many fixes
|
|
* mon: new 'ceph df [detail]' command
|
|
* mon: new checks for identifying and reporting clock drift
|
|
* mon: rearchitected to utilize single instance of paxos and a key/value store (Joao Luis)
|
|
* mon: safety check for pool deletion
|
|
* mon: shut down safely if disk approaches full (Joao Luis)
|
|
* mon: trigger leveldb compaction on trim
|
|
* msgr: fix comparison of IPv6 addresses (fixes monitor bringup via ceph-deploy, chef)
|
|
* msgr: fixed race in connection reset
|
|
* msgr: optionally tune TCP buffer size to avoid throughput collapse (Jim Schutt)
|
|
* much code cleanup and optimization (Danny Al-Gaaf)
|
|
* osd, librados: ability to list watchers (David Zafman)
|
|
* osd, librados: fixes to the LIST_SNAPS operation
|
|
* osd, librados: new listsnaps command (David Zafman)
|
|
* osd: a few journaling bug fixes
|
|
* osd: ability to tune leveldb
|
|
* osd: add 'noscrub', 'nodeepscrub' osdmap flags (David Zafman)
|
|
* osd: better prevention of wedging OSDs with ENOSPC
|
|
* osd: ceph-filestore-dump tool for debugging
|
|
* osd: connection handling bug fixes
|
|
* osd: deep-scrub omap keys/values
|
|
* osd: default to libaio for the journal (some performance boost)
|
|
* osd: fix hang in 'journal aio = true' mode (Sage Weil)
|
|
* osd: fix pg log trimming (avoids memory bloat on degraded clusters)
|
|
* osd: fix udev rules for RHEL/CentOS systems
|
|
* osd: fixed bug in journal checksums (Sam Just)
|
|
* osd: improved client request throttling
|
|
* osd: improved handling when disk fills up (David Zafman)
|
|
* osd: improved journal corruption detection (Sam Just)
|
|
* osd: improved detection of corrupted journals
|
|
* osd: improvements to scrub error repair
|
|
* osd: make tracking of object snapshot metadata more efficient (Sam Just)
|
|
* osd: many small fixes
|
|
* osd: misc fixes to PG split (Sam Just)
|
|
* osd: move pg info, log into leveldb (== better performance) (David Zafman)
|
|
* osd: notify mon on clean shutdown to avoid IO stall
|
|
* osd: per-rados pool quotas (objects, bytes)
|
|
* osd: refactored watch/notify infrastructure (fixes protocol, removes many bugs) (Sam Just)
|
|
* osd: support for improved hashing of PGs across OSDs via HASHPSPOOL pool flag and feature
|
|
* osd: tool to export, import, and delete PGs from an individual OSD data store
|
|
* osd: trim log more aggressively, avoid appearance of leak memory
|
|
* osd: validate snap collections on startup
|
|
* osd: verify snap collections on startup (Sam Just)
|
|
* radosgw: ACL grants in headers (Caleb Miles)
|
|
* radosgw: ability to listen to fastcgi via a port (Guilhem Lettron)
|
|
* radosgw: fix object copy onto self (Yehuda Sadeh)
|
|
* radosgw: misc fixes
|
|
* rbd-fuse: new tool, package
|
|
* rbd: avoid FIEMAP when importing from file (it can be buggy)
|
|
* rbd: incremental backups
|
|
* rbd: only set STRIPINGV2 feature if striping parameters are incompatible with old versions
|
|
* rbd: require --allow-shrink for resizing images down
|
|
* rbd: udevadm settle on map/unmap to avoid various races (Dan Mick)
|
|
* rbd: wait for udev to settle in strategic places (avoid spurious errors, failures)
|
|
* rgw: CORS support
|
|
* rgw: allow buckets with '_'
|
|
* rgw: fix Content-Length on 32-bit machines (Jan Harkes)
|
|
* rgw: fix log rotation
|
|
* rgw: fix object corruption on COPY to self
|
|
* rgw: fixed >4MB range requests (Jan Harkes)
|
|
* rgw: new sysvinit script for rpm-based systems
|
|
* rpm/deb: do not remove /var/lib/ceph on purge (v0.59 was the only release to do so)
|
|
* sysvinit: try to start all daemons despite early failures
|
|
* upstart: automatically set osd weight based on df (Guilhem Lettron)
|
|
* use less memory for logging by default
|
|
|
|
|
|
v0.60
|
|
=====
|
|
|
|
Upgrading
|
|
---------
|
|
|
|
* Please note that the recently added librados 'list_snaps' function
|
|
call is in a state of flux and is changing slightly in v0.61. You
|
|
are advised not to make use of it in v0.59 or v0.60.
|
|
|
|
Notable Changes
|
|
---------------
|
|
|
|
* osd: make tracking of object snapshot metadata more efficient (Sam Just)
|
|
* osd: misc fixes to PG split (Sam Just)
|
|
* osd: improve journal corruption detection (Sam Just)
|
|
* osd: improve handling when disk fills up (David Zafman)
|
|
* osd: add 'noscrub', 'nodeepscrub' osdmap flags (David Zafman)
|
|
* osd: fix hang in 'journal aio = true' mode (Sage Weil)
|
|
* ceph-disk-prepare: fix mkfs args on old distros (Alexandre Marangone)
|
|
* ceph-disk-activate: improve multicluster support, error handling (Sage Weil)
|
|
* librbd: optionally wait for flush before enabling writeback (Josh Durgin)
|
|
* crush: update weights for all instances of an item, not just the first (Sage Weil)
|
|
* mon: shut down safely if disk approaches full (Joao Luis)
|
|
* rgw: fix Content-Length on 32-bit machines (Jan Harkes)
|
|
* mds: store and update backpointers/traces on directory, file objects (Sam Lang)
|
|
* mds: improve session cleanup (Sage Weil)
|
|
* mds, ceph-fuse: fix bugs with replayed requests after MDS restart (Sage Weil)
|
|
* ceph-fuse: enable kernel cache invalidation (Sam Lang)
|
|
* libcephfs: new topo API requests for Hadoop (Noah Watkins)
|
|
* ceph-fuse: session handling cleanup, bug fixes (Sage Weil)
|
|
* much code cleanup and optimization (Danny Al-Gaaf)
|
|
* use less memory for logging by default
|
|
* upstart: automatically set osd weight based on df (Guilhem Lettron)
|
|
* init-ceph, mkcephfs: close a few security holes with -a (Sage Weil)
|
|
* rpm/deb: do not remove /var/lib/ceph on purge (v0.59 was the only release to do so)
|
|
|
|
|
|
v0.59
|
|
=====
|
|
|
|
Upgrading
|
|
---------
|
|
|
|
* The monitor is using a completely new storage strategy and
|
|
intra-cluster protocol. This means that v0.59 and pre-v0.59
|
|
monitors do not talk to each other. When you upgrade each one, it
|
|
will convert its local data store to the new format. Once you
|
|
upgrade a majority, the quorum will be formed using the new protocol
|
|
and the old monitors will be blocked out until they too get
|
|
upgraded. For this reason, we recommend not running a mixed-version
|
|
cluster for very long.
|
|
|
|
* ceph-mon now requires the creation of its data directory prior to
|
|
--mkfs, similarly to what happens on ceph-osd. This directory is no
|
|
longer automatically created, and custom scripts should be adjusted to
|
|
reflect just that.
|
|
|
|
|
|
Notable Changes
|
|
---------------
|
|
|
|
* mon: rearchitected to utilize single instance of paxos and a key/value store (Joao Luis)
|
|
* mon: new 'ceph df [detail]' command
|
|
* osd: support for improved hashing of PGs across OSDs via HASHPSPOOL pool flag and feature
|
|
* osd: refactored watch/notify infrastructure (fixes protocol, removes many bugs) (Sam Just)
|
|
* osd, librados: ability to list watchers (David Zafman)
|
|
* osd, librados: new listsnaps command (David Zafman)
|
|
* osd: trim log more aggressively, avoid appearance of leak memory
|
|
* osd: misc split fixes
|
|
* osd: a few journaling bug fixes
|
|
* osd: connection handling bug fixes
|
|
* rbd: avoid FIEMAP when importing from file (it can be buggy)
|
|
* librados: fix linger bugs (Josh Durgin)
|
|
* librbd: fixed flatten deadlock (Josh Durgin)
|
|
* rgw: fixed >4MB range requests (Jan Harkes)
|
|
* rgw: fix log rotation
|
|
* mds: allow xattrs on root
|
|
* ceph-fuse: fix statfs(2) reporting
|
|
* msgr: optionally tune TCP buffer size to avoid throughput collapse (Jim Schutt)
|
|
* consume less memory for logging by default
|
|
* always use system leveldb (Gary Lowell)
|
|
|
|
|
|
|
|
v0.58
|
|
=====
|
|
|
|
Upgrading
|
|
---------
|
|
|
|
* The monitor now enforces that MDS names be unique. If you have
|
|
multiple daemons start with with the same id (e.g., ``mds.a``) the
|
|
second one will implicitly mark the first as failed. This makes
|
|
things less confusing and makes a daemon restart faster (we no
|
|
longer wait for the stopped daemon to time out) but existing
|
|
multi-mds configurations may need to be adjusted accordingly to give
|
|
daemons unique names.
|
|
|
|
Notable Changes
|
|
---------------
|
|
|
|
* librbd: fixed some locking issues with flatten (Josh Durgin)
|
|
* rbd: udevadm settle on map/unmap to avoid various races (Dan Mick)
|
|
* osd: move pg info, log into leveldb (== better performance) (David Zafman)
|
|
* osd: fix pg log trimming (avoids memory bloat on degraded clusters)
|
|
* osd: fixed bug in journal checksums (Sam Just)
|
|
* osd: verify snap collections on startup (Sam Just)
|
|
* ceph-disk-prepare/activate: support for dm-crypt (Alexandre Marangone)
|
|
* ceph-disk-prepare/activate: support for sysvinit, directories or partitions (not full disks)
|
|
* msgr: fixed race in connection reset
|
|
* msgr: fix comparison of IPv6 addresses (fixes monitor bringup via ceph-deploy, chef)
|
|
* radosgw: fix object copy onto self (Yehuda Sadeh)
|
|
* radosgw: ACL grants in headers (Caleb Miles)
|
|
* radosgw: ability to listen to fastcgi via a port (Guilhem Lettron)
|
|
* mds: new encoding for all data types (to allow forward/backward compatibility) (Greg Farnum)
|
|
* mds: fast failover between MDSs (enforce unique mds names)
|
|
* crush: ability to create, remove rules via CLI
|
|
* many many cleanups (Danny Al-Gaaf)
|
|
* buffer unit testing (Loic Dachary)
|
|
* fixed log rotation (Gary Lowell)
|
|
|
|
v0.57
|
|
=====
|
|
|
|
This development release has a lot of additional functionality
|
|
accumulated over the last couple months. Most of the bug fixes (with
|
|
the notable exception of the MDS related work) has already been
|
|
backported to v0.56.x, and is not mentioned here.
|
|
|
|
Upgrading
|
|
---------
|
|
|
|
* The 'ceph osd pool delete <poolname>' and 'rados rmpool <poolname>'
|
|
now have safety interlocks with loud warnings that make you confirm
|
|
pool removal. Any scripts currently rely on these functions zapping
|
|
data without confirmation need to be adjusted accordingly.
|
|
|
|
Notable Changes
|
|
---------------
|
|
|
|
* osd: default to libaio for the journal (some performance boost)
|
|
* osd: validate snap collections on startup
|
|
* osd: ceph-filestore-dump tool for debugging
|
|
* osd: deep-scrub omap keys/values
|
|
* ceph tool: some CLI interface cleanups
|
|
* mon: easy adjustment of crush tunables via 'ceph osd crush tunables ...'
|
|
* mon: easy creation of crush rules vai 'ceph osd rule ...'
|
|
* mon: approximate recovery, IO workload stats
|
|
* mon: avoid marking entire CRUSH subtrees out (e.g., if an entire rack goes offline)
|
|
* mon: safety check for pool deletion
|
|
* mon: new checks for identifying and reporting clock drift
|
|
* radosgw: misc fixes
|
|
* rbd: wait for udev to settle in strategic places (avoid spurious errors, failures)
|
|
* rbd-fuse: new tool, package
|
|
* mds, ceph-fuse: manage layouts via xattrs
|
|
* mds: misc bug fixes with clustered MDSs and failure recovery
|
|
* mds: misc bug fixes with readdir
|
|
* libcephfs: many fixes, cleanups with the Java bindings
|
|
* auth: ability to require new cephx signatures on messages (still off by default)
|