Hey Cephers! June 2018 is about to end and here is a summary of activities and news for Ceph Project. Enjoy!

Announcements

Mimic is out!

After 9 months of work the Engineering released Ceph Mimic (v13.2.x series) with lots of features and improvements. A full list of changes, as well the upgrading instructions and a detailed changelog are available on the release notes.

Mountpoint.io

As we previously announced Ceph community is joining forces with Gluster and other projects for a two-day event dedicated to Open Source Software-Defined Storage technologies called Mountpoint, which happens in Vancouver, BC on August 27th and 28th. The call for proposals was closed on June 15th, the conference program has been announced (day 1 and day 2) and the registration is in progress!

Heads-up: Ceph Developers Monthly of July postponed!

Due the July 4th holiday in the United States the Ceph Developers Monthly meeting of July has been postponed to June 11th.

Bluestore Code Walkthrough

In May we started the Ceph Code Walkthrough series and Sage Weil presented the first part of about BlueStore. On June 26th Sage presented the second part and the video recording has been uploaded to our YouTube channel.

Ceph Testing Weekly

The Ceph Testing Weekly meeting has been added to Ceph community calendar and the video recordings of the first meetings have been uploaded to our channel on YouTube.

Project updates

RADOS

New bitmap allocator for BlueStore improves performance and performance stability for flash devices

Initial infrastructure for tracking device health metrics is merged. This will allow Ceph to predict HDD/SSD failures before they happen.

Ceph-disk, deprecated in Mimic, has been removed.

RGW

RGW broker for kubernetes service catalog

Partial order bucket listing support to reduce memory footprint of bucket listing in sharded buckets

CephFS

[master] MDS adds a new command to dump an inode in cache with the inode number (PR #22569)

[master 13.2.1] cephx auth caps for CephFS clients may restrict ability to take snapshots. (PR #22560)

[in-progress] ceph_futimens support in libcephfs (PR #22751)

[in-progress] Another pass at LAZYIO (suspended client cache coherency) support in CephFS (PR #22450)

[in-progress] MDS drop_cache “ceph tell mds” command (to support performance evaluations) (PR #21566)

Dashboard

Major features merged into master recently:

Work in progress / under review:

Add option to disable SSL (PR #22593)

Add UI for Cluster-wide OSD Flags configuration (PR #22461)

Add backend support for changing dashboard configuration settings via the REST API (PR #22457)

Pool management (PR #21614)

Ceph dashboard user management from the UI (PR #22758)

Rook

The 0.8 release is planned for next week including the following improvements to be merged this week:

“One OSD per pod” will run the OSDs independently for higher reliability

Improved security model with reduced privileges required by the Rook operator

Ceph pod names match more closely the daemon name to improve troubleshooting

OpenShift compatibility

Releases

Ceph Planet

Project meetings

Ceph Developers Monthly

Ceph Performance Weekly

Ceph Testing Weekly

Ceph Tech Talks

Ceph Code Walkthrough

Recent events

OpenInfra Days China

The OpenInfra Days China happened in Beijing on June 21-22 and our fellow Kefu Chai represented the Ceph Project at the conference presenting the talk “What’s new on Ceph Mimic”.

OpenInfra Days Korea

The OpenInfra Days Korea 2018 happened on June 28-29 in Seol, and we had two talks about Ceph including “CephFS with OpenStack Manila based on Bluestore and Erasure Code“, presented by Yoo Jang-lin and “Ceph Storage, service/operation with PaaS” presented by Ha-Hyun.

Upcoming conferences

July

FISL 18, Jul 11-14 in Porto Alegre, BR

OpenStack Days Sao Paulo, Jul 27-28 in Sao Paulo, BR

August

Mountpoint, Aug 27-28 in Vancouver, BC

Open Source Summit North America, Aug 29-31 in Vancouver, BC

September

Ceph Day UC Santa Cruz, Sep 19 in Santa Cruz US (website to be announced soon)

October

November

Ceph Day Berlin (date and website to be announced soon)

Supercomputing 2018, Nov 11-16 in Dallas, US

OpenStack Summit Berlin, Nov 13-15 in Berlin, DE

December

KubeCon North America 2018, Dec 11-13, in Seattle, US