Kernel client git trees have moved
The kernel client git trees have moved to kernel.org. The main line of development is in a kernel tree that contains the Ceph client:...
View Articlev0.21.1 released
We’ve made a bugfix release for v0.21 last week. Changes include: debian and rpm packaging fixes mds: fixed crash on some mds->client messages mds: fix snaprealm behavior on readdir (occasional...
View Articlev0.21.2 released
This is a second bugfix release for the v0.21 series. Changes include: osd: less log noise osd: mark down old heartbeat peers filejournal: clean up init sequence, less confusing errors on startup...
View Articlev0.22.2 released
v0.22.2 is out with a few minor bug fixes: cfuse: fix truncation issue osd: fix decoding of legacy (0.21 and earlier) coll_t (which caused problems for people upgrading) osd: handle missing objects on...
View Articlev0.24 released
We’ve released v0.24, just in time for the holidays! Big changes this time around include: mds: many fixes with clustered failure recovery mds: bloom filter to reduce directory reads mds: configurable...
View ArticleHiring!
Are you a Linux kernel programmer interested in a job working on the Ceph distributed file system or btrfs? Are you a C/C++ developer interested in building scalable, fault tolerant and high...
View Articlev0.26 released
We tagged v0.26 a few days ago. Changes since the last release include: misc build, configure, rpm build fixes crypto: support for libnss (which exists in RHEL environments) osd: improved throttling...
View Articlev0.32 released
We’ve released v0.32. Notable in this release: common: perfcounter instrumentation now accessible via unix domain socket mon: dump cluster state in json format client: fix a few stalls, ref count...
View ArticleCephalopods
The name Ceph comes from cephalopod, a class of mollusks that includes the octopus and squid. The suggestion came from Carlos Maltzahn, a professor in our research group at UCSC, sometime in 2006. My...
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Argonaut vs Bobtail Performance Preview
Contents Introduction System Setup Test Setup 4KB Write Results 4KB Read Results 128KB Write Results 128KB Read Results 4MB Write Results 4MB Read Results Conclusion INTRODUCTION Hello again! War. War...
View Articlev0.67.7 Dumpling released
This Dumpling point release fixes a few critical issues in v0.67.6. All v0.67.6 users are urgently encouraged to upgrade. We also recommend that all v0.67.5 (or older) users upgrade. The v0.67.7 point...
View Articlev0.67.8 Dumpling released
This Dumpling point release fixes several non-critical issues since v0.67.7. The most notable bug fixes are an auth fix in librbd (observed as an occasional crash from KVM), an improvement in the...
View ArticleOpenStack Foundation Survey Cites Ceph as a Leading Distribution for Block...
Wow, the last few weeks have been very busy for the Ceph team! While it may have been a few weeks ago, many of us are still feeling the excitement of the most recent OpenStack Summit, and many of us...
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Celebrate 10 Years of Ceph at OSCON!
Ceph is coming back to OSCON next week (July 20-24 in Portland, OR). The difference however, is that this year we need two digits to tell people how old we are. Stop by for some mild festivities at the...
View ArticleCeph Turns 10 Twitter Photo Contest
OSCON has arrived (although if you came in for the Ceph tutorial session that’s old news to you)! As a part of our participation in OSCON, and as a way to celebrate the fact that Ceph turned 10 years...
View Articlev0.87 Giant released
This release will form the basis for the stable release Giant, v0.87.x. Highlights for Giant include: RADOS Performance: a range of improvements have been made in the OSD and client-side librados code...
View ArticleCeph Developer Summit: Jewel
Hey Cephers, welcome to another Ceph Developer Summit cycle! As Infernalis filters down through the fancy new testing hardware and QA processes it’s time to start thinking about what ‘Jewel’ will hold...
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