This Hammer point release fixes a critical (though rare) data corruption bug that could be triggered when logs are rotated via SIGHUP. It also fixes a range of other important bugs in the OSD, monitor, RGW, RGW, and CephFS. All v0.94.x Hammer users are strongly encouraged to upgrade. UPGRADING * The pg ls-by-{pool,primary,osd} commands and pg ls now take the argument recovering instead of recovery in order to include the recovering pgs in the listed pgs. NOTABLE CHANGES * librbd: aio calls may block (issue#11770, pr#4875, Jason Dillaman) * osd: make the all osd/filestore thread pool suicide timeouts separately configurable (issue#11701, pr#5159, Samuel Just) * mon: ceph fails to compile with boost 1.58 (issue#11982, pr#5122, Kefu Chai) * tests: TEST_crush_reject_empty must not run a mon (issue#12285,11975, pr#5208, Kefu Chai * osd: FAILED assert(!old_value.deleted()) in upgrade:giant-x-hammer-distro-basic-multi run (issue#11983, pr#5121, Samuel Just) * build/ops: linking ceph to tcmalloc causes segfault on SUSE SLE11-SP3 (issue#12368, pr#5265, Thorsten Behrens) * common: utf8 and old gcc breakage on RHEL6.5 (issue#7387, pr#4687, Kefu Chai) * crush: take crashes due to invalid arg (issue#11740, pr#4891, Sage Weil) * rgw: need conversion tool to handle fixes following #11974 (issue#12502, pr#5384, Yehuda Sadeh) * rgw: Swift API: support for 202 Accepted response code on container creation (issue#12299, pr#5214, Radoslaw Zarzynski) * common: Log::reopen_log_file: take m_flush_mutex (issue#12520, pr#5405, Samuel Just) * rgw: Properly respond to the Connection header with Civetweb (issue#12398, pr#5284, Wido den Hollander) * rgw: multipart list part response returns incorrect field (issue#12399, pr#5285, Henry Chang) * build/ops: ceph.spec.in: 95-ceph-osd.rules, mount.ceph, and mount.fuse.ceph not installed properly on SUSE (issue#12397, pr#5283, Nathan Cutler) * rgw: radosgw-admin dumps user info twice (issue#12400, pr#5286, guce) * doc: fix doc build (issue#12180, pr#5095, Kefu Chai) * tests: backport 11493 fixes, and test, preventing ec cache pools (issue#12314, pr#4961, Samuel Just) * rgw: does not send Date HTTP header when civetweb frontend is used (issue#11872, pr#5228, Radoslaw Zarzynski) * mon: pg ls is broken (issue#11910, pr#5160, Kefu Chai) * librbd: A client opening an image mid-resize can result in the object map being invalidated (issue#12237, pr#5279, Jason Dillaman) * doc: missing man pages for ceph-create-keys, ceph-disk-* (issue#11862, pr#4846, Nathan Cutler) * tools: ceph-post-file fails on rhel7 (issue#11876, pr#5038, Sage Weil) * build/ops: rcceph script is buggy (issue#12090, pr#5028, Owen Synge) * rgw: Bucket header is enclosed by quotes (issue#11874, pr#4862, Wido den Hollander) * build/ops: packaging: add SuSEfirewall2 service files (issue#12092, pr#5030, Tim Serong) * rgw: Keystone PKI token expiration is not enforced (issue#11722, pr#4884,Anton Aksola) * build/ops: debian/control: ceph-common (>> 0.94.2) must be >= 0.94.2-2 (issue#12529,11998, pr#5417, Loic Dachary) * mon: Clock skew causes missing summary and confuses Calamari (issue#11879, pr#4868, Thorsten Behrens) * rgw: rados objects wronly deleted (issue#12099, pr#5117, wuxingyi) tests: kernel_untar_build fails on EL7 (issue#12098, pr#5119, Greg Farnum) * fs: Fh ref count will leak if readahead does not need to do read from osd (issue#12319, pr#5427, Zhi Zhang) * mon: OSDMonitor: allow addition of cache pool with non-empty snaps with co... (issue#12595, pr#5252, Samuel Just) * mon: MDSMonitor: handle MDSBeacon messages properly (issue#11979, pr#5123, Kefu Chai) * tools: ceph-disk: get_partition_type fails on /dev/cciss... (issue#11760, pr#4892, islepnev) * build/ops: max files open limit for OSD daemon is too low (issue#12087, pr#5026, Owen Synge) * mon: add an 'osd crush tree' command (issue#11833, pr#5248, Kefu Chai) * mon: mon crashes when 'ceph osd tree 85 --format json' (issue#11975, pr#4936, Kefu Chai) * build/ops: ceph / ceph-dbg steal ceph-objecstore-tool from ceph-test / ceph-test-dbg (issue#11806, pr#5069, Loic Dachary) * rgw: DragonDisk fails to create directories via S3: MissingContentLength (issue#12042, pr#5118, Yehuda Sadeh) * build/ops: /usr/bin/ceph from ceph-common is broken without installing ceph (issue#11998, pr#5206, Ken Dreyer) * build/ops: systemd: Increase max files open limit for OSD daemon (issue#11964, pr#5040, Owen Synge) * build/ops: rgw/logrotate.conf calls service with wrong init script name (issue#12044, pr#5055, wuxingyi) * common: OPT_INT option interprets 3221225472 as -1073741824, and crashes in Throttle::Throttle() (issue#11738, pr#4889, Kefu Chai) * doc: doc/release-notes: v0.94.2 (issue#11492, pr#4934, Sage Weil) * common: admin_socket: close socket descriptor in destructor (issue#11706, pr#4657, Jon Bernard) * rgw: Object copy bug (issue#11755, pr#4885, Javier M. Mellid) * rgw: empty json response when getting user quota (issue#12245, pr#5237, wuxingyi) * fs: cephfs Dumper tries to load whole journal into memory at once (issue#11999, pr#5120, John Spray) * rgw: Fix tool for #11442 does not correctly fix objects created via multipart uploads (issue#12242, pr#5229, Yehuda Sadeh) * rgw: Civetweb RGW appears to report full size of object as downloaded when only partially downloaded (issue#12243, pr#5231, Yehuda Sadeh) * osd: stuck incomplete (issue#12362, pr#5269, Samuel Just) * osd: start_flush: filter out removed snaps before determining snapc's (issue#11911, pr#4899, Samuel Just) * librbd: internal.cc: 1967: FAILED assert(watchers.size() == 1) (issue#12239, pr#5243, Jason Dillaman) * librbd: new QA client upgrade tests (issue#12109, pr#5046, Jason Dillaman) * librbd: [ FAILED ] TestLibRBD.ExclusiveLockTransition (issue#12238, pr#5241, Jason Dillaman) * rgw: Swift API: XML document generated in response for GET on account does not contain account name (issue#12323, pr#5227, Radoslaw Zarzynski) * rgw: keystone does not support chunked input (issue#12322, pr#5226, Hervé Rousseau) * mds: MDS is crashed (mds/CDir.cc: 1391: FAILED assert(!is_complete())) (issue#11737, pr#4886, Yan, Zheng) * cli: ceph: cli interactive mode does not understand quotes (issue#11736, pr#4776, Kefu Chai) * librbd: add valgrind memory checks for unit tests (issue#12384, pr#5280,Zhiqiang Wang) * build/ops: admin/build-doc: script fails silently under certain circumstances (issue#11902, pr#4877, John Spray) * osd: Fixes for rados ops with snaps (issue#11908, pr#4902, Samuel Just) * build/ops: ceph.spec.in: ceph-common subpackage def needs tweaking for SUSE/openSUSE (issue#12308, pr#4883, Nathan Cutler) * fs: client: reference counting 'struct Fh' (issue#12088, pr#5222, Yan, Zheng) * build/ops: ceph.spec: update OpenSUSE BuildRequires (issue#11611, pr#4667, Loic Dachary) For more detailed information, see the complete change: http://docs.ceph.com/docs/master/_downloads/v0.94.3.txt GETTING CEPH * Git at git://github.com/ceph/ceph.git * Tarball at http://ceph.com/download/ceph-0.94.3.tar.gz * For packages, see http://ceph.com/docs/master/install/get-packages * For ceph-deploy, see http://ceph.com/docs/master/install/install-ceph-deploy