# v0.21

07/28/2010

stable single-mds, cfuse, kclient, osd and mds failure recovery.

* Feature #21: optionally use libatomic for atomic_t
* Feature #32: msgr: send messages via a Connection*
* Feature #33: O_LAZY or equivalent
* Bug #37: osd: recover missing clone object
* Bug #56: osd: crash on repop completion
* Cleanup #58: kill nstring/cstring, use std::basic_string instead
* Bug #59: max_size of 1
* Feature #60: librados: selfmanaged snaps
* Bug #62: readdir out of sync on different nodes
* Bug #76: osd: snapdir object recovery doesn't work
* Feature #105: mon: warn on clock drift
* Bug #110: utime_t should be UTC, not local time
* Feature #112: osd: snap rollback object op
* Bug #114: osd: corrupted pglog
* Bug #117: osd: lone osd might not notice new peers of simultaneously marked down
* Bug #120: monitor cluster expansion broken
* Cleanup #121: roll mkmonfs functionality into cmon
* Feature #125: log rotation
* Feature #128: librados: implement get pool stats
* Bug #132: slow mon recovery after operating degraded for too long
* Feature #135: Specify crush rules
* Bug #158: cmon silently fails if addr is wrong in ceph.conf (0.20.1)
* Bug #159: cfuse abort on file delete (0.20.2)
* Bug #173: Throttle client requests on OSD
* Bug #176: osd: make_clone needs to duplicate xattrs
* Feature #180: Return ENOTEMPTY when trying to remove a directory which has a snapshot
* Bug #186: BUG: failed to decode message of type 66 v1: buffer::exception
* Bug #192: inconsistent md5sum on repeated read of file
* Bug #197: osd: FAILED assert(state == DELAYED || state == RMW)
* Bug #203: osd journal full deadlock?
* Bug #205: remove journal write cache warning?
* Bug #212: osd: journal vs filestore sync in writeahead move
* Bug #215: osd crash: FAILED assert(seq >= last_committed_seq)
* Bug #244: msgr throttler deadlock
* Cleanup #258: make logger output rotatable, cleaner
* Bug #290: take osd1 or osd.1 to initscript
* Bug #300: osd: make pg removal atomic
* Bug #307: osd: fix wrnoop on dup op
* Bug #308: osd can't get full map history