On Tue, 7 May 2013, Igor Laskovy wrote: > Hi, > where can I read more about ceph-disk? Hmm... you can less /usr/bin/ceph-disk.. or you can read the tracker ticket to write a man page at http://tracker.ceph.com/issues/2774 :) In all seriousness, 'ceph-disk -h' or 'ceph-disk <command> -h' and looking at how ceph-deploy uses it is the best reference. sage > > > On Tue, May 7, 2013 at 5:51 AM, Sage Weil <sage@xxxxxxxxxxx> wrote: > Spring has arrived (at least for some of us), and a new stable > release of > Ceph is ready! Thank you to everyone who has contributed to > this release! > > Bigger ticket items since v0.56.x "Bobtail": > > * ceph-deploy: our new deployment tool to replace 'mkcephfs' > * robust RHEL/CentOS support > * ceph-disk: many improvements to support hot-plugging devices > via chef > and ceph-deploy > * ceph-disk: dm-crypt support for OSD disks > * ceph-disk: 'list' command to see available (and used) disks > * rbd: incremental backups > * rbd-fuse: access RBD images via fuse > * librbd: autodetection of VM flush support to allow safe > enablement of > the writeback cache > * osd: improved small write, snap trimming, and overall > performance > * osd: PG splitting > * osd: per-pool quotas (object and byte) > * osd: tool for importing, exporting, removing PGs from OSD > data store > * osd: improved clean-shutdown behavior > * osd: noscrub, nodeepscrub options > * osd: more robust scrubbing, repair, ENOSPC handling > * osd: improved memory usage, log trimming > * osd: improved journal corruption detection > * ceph: new 'df' command > * mon: new storage backend (leveldb) > * mon: config-keys service > * mon, crush: new commands to manage CRUSH entirely via CLI > * mon: avoid marking entire subtrees (e.g., racks) out > automatically > * rgw: CORS support > * rgw: misc API fixes > * rgw: ability to listen to fastcgi on a port > * sysvinit, upstart: improved support for standardized data > locations > * mds: backpointers on all data and metadata objects > * mds: faster fail-over > * mds: many many bug fixes > * ceph-fuse: many stability improvements > > Notable changes since v0.60: > > * rbd: incremental backups > * rbd: only set STRIPINGV2 feature if striping parameters are > incompatible with old versions > * rbd: require allow-shrink for resizing images down > * librbd: many bug fixes > * rgw: fix object corruption on COPY to self > * rgw: new sysvinit script for rpm-based systems > * rgw: allow buckets with _ > * rgw: CORS support > * mon: many fixes > * mon: improved trimming behavior > * mon: fix data conversion/upgrade problem (from bobtail) > * mon: ability to tune leveldb > * mon: config-keys service to store arbitrary data on monitor > * mon: osd crush add|link|unlink|add-bucket ... commands > * mon: trigger leveldb compaction on trim > * osd: per-rados pool quotas (objects, bytes) > * osd: tool to export, import, and delete PGs from an > individual OSD data > store > * osd: notify mon on clean shutdown to avoid IO stall > * osd: improved detection of corrupted journals > * osd: ability to tune leveldb > * osd: improve client request throttling > * osd, librados: fixes to the LIST_SNAPS operation > * osd: improvements to scrub error repair > * osd: better prevention of wedging OSDs with ENOSPC > * osd: many small fixes > * mds: fix xattr handling on root inode > * mds: fixed bugs in journal replay > * mds: many fixes > * librados: clean up snapshot constant definitions > * libcephfs: calls to query CRUSH topology (used by Hadoop) > * ceph-fuse, libcephfs: misc fixes to mds session management > * ceph-fuse: disabled cache invalidation (again) due to > potential > deadlock with kernel > * sysvinit: try to start all daemons despite early failures > * ceph-disk: new list command > * ceph-disk: hotplug fixes for RHEL/CentOS > * ceph-disk: fix creation of OSD data partitions on >2TB disks > * osd: fix udev rules for RHEL/CentOS systems > * fix daemon logging during initial startup > > There are a few things to keep in mind when upgrading from > Bobtail, > specifically with the monitor daemons. Please see the upgrade > guide > and/or the complete release notes. In short: upgrade all of > your monitors > (more or less) at once. > > Cuttlefish is the first Ceph release on our new three-month > stable release > cycle. We are very pleased to have pulled everything together > on schedule > (well, only a week later than planned). The next stable > release, which > will be code-named Dumpling, is slated for three months from now > (beginning of August). > > You can download v0.61 Cuttlefish from the usual locations: > > * Git at git://github.com/ceph/ceph.git > * Tarball at http://ceph.com/download/ceph-0.61.tar.gz > * For Debian/Ubuntu packages, see > http://ceph.com/docs/master/install/debian > * For RPMs, see http://ceph.com/docs/master/install/rpm > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > > -- > Igor Laskovy > facebook.com/igor.laskovy > studiogrizzly.com > >
