Ceph 0.87.2 Giant发布，分布式文件系统

Ceph 0.87.2 Giant 发布，此版本主要更新信息如下：

ceph-objectstore-tool: only output unsupported features when incompatible (#11176 David Zafman)

common: do not implicitly unlock rwlock on destruction (Federico Simoncelli)

common: make wait timeout on empty queue configurable (#10818 Samuel Just)

crush: pick ruleset id that matches and rule id (Xiaoxi Chen)

crush: set_choose_tries = 100 for new erasure code rulesets (#10353 Loic Dachary)

librados: check initialized atomic safely (#9617 Josh Durgin)

librados: fix failed tick_event assert (#11183 Zhiqiang Wang)

librados: fix looping on skipped maps (#9986 Ding Dinghua)

librados: fix op submit with timeout (#10340 Samuel Just)

librados: pybind: fix memory leak (#10723 Billy Olsen)

librados: pybind: keep reference to callbacks (#10775 Josh Durgin)

librados: translate operation flags from C APIs (Matthew Richards)

libradosstriper: fix write_full on ENOENT (#10758 Sebastien Ponce)

libradosstriper: use strtoll instead of strtol (Dongmao Zhang)

mds: fix assertion caused by system time moving backwards (#11053 Yan, Zheng)

4mon: allow injection of random delays on writes (Joao Eduardo Luis)

mon: do not trust small osd epoch cache values (#10787 Sage Weil)

mon: fail non-blocking flush if object is being scrubbed (#8011 Samuel Just)

mon: fix division by zero in stats dump (Joao Eduardo Luis)

mon: fix get_rule_avail when no osds (#10257 Joao Eduardo Luis)

mon: fix timeout rounds period (#10546 Joao Eduardo Luis)

mon: ignore osd failures before up_from (#10762 Dan van der Ster, Sage Weil)

详细更新信息请查看发行页面。

Ceph是加州大学Santa Cruz分校的Sage Weil（DreamHost的联合创始人）专为博士论文设计的新一代自由软件分布式文件系统。自2007年毕业之后，Sage开始全职投入到Ceph开 发之中，使其能适用于生产环境。Ceph的主要目标是设计成基于POSIX的没有单点故障的分布式文件系统，使数据能容错和无缝的复制。2010年3 月，Linus Torvalds将Ceph client合并到内 核2.6.34中。IBM开发者园地的一篇文章 探讨了Ceph的架构，它的容错实现和简化海量数据管理的功能。

Ceph 中文文档：http://docs.openfans.org/ceph

软件详情：http://ceph.com/releases/v0-87-2-giant-released/

下载地址：https://github.com/ceph/ceph/archive/v0.87.2.tar.gz

来自:开源中国社区