Ceph Community Newsletter, April 2019 edition

Jun 5, 2019 thingee

Announcements ¶

Nautilus Shirts are now available: ¶

March 19 we announced the new release of Ceph Nautilus! Take a look at our blog post that captures the major features and upgrade notes. Watch the talk from Sage Weil, co-creator and project leader, on the state of the cephalopod. We're now pleased to announce the availability of official Ceph Nautilus shirts on the Ceph store!

Cephalocon Videos Now Available ¶

Thank you to our sponsors, speakers and the Linux Foundation for making this event possible. Videos from the event are now available!

Ceph Docubetter Meeting ¶

The Ceph Docubetter Weekly meets on the second and fourth Wednesday of each month. The meeting aims to bring focus around improvement of Ceph documentation and the tools that generate them. Our next meeting will be on June 12 at 16:30 UTC. Come join us!

Project updates ¶

Rados ¶

Improvements to scrub auto repair - enables automatic PG repairs when errors are found in scrub or deep-scrub, also works for replicated pools now. https://github.com/ceph/ceph/pull/26942
ok-to-stop (add-offline,rm) commands added for mons
Ability to set no{out,in,up,down} on crush nodes, not just OSDs or cluster-wide
Removed SimpleMessenger (for octopus)
Cleanup of pre-nautilus internal authentication APIs
Telemetry fixes and improvements (backported to nautilus)
PG autoscaling fixes (backported to nautilus)
Default erasure code profile is now k=2 m=2 (instead of k=2 m=1)
new log_to_file (true/false) option to enable/disable file logging without changing path

RBD ¶

Online resparsify of images
improved in-memory cache
optionally move clone parent images to trash on removal of last clone
kernel rbd: keep flatten

Dashboard ¶

The team is currently busy working on fixing bugs and sanding off rough edges in the dashboard and backporting them to the Nautilus branch
Translations are about to be refreshed, as many additional languages have been completed (a big thanks to all of the translators that contributed to this effort)
Blog posts:
New in Nautilus: ceph-iscsi Improvements — https://ceph.com/community/new-in-nautilus-ceph-iscsi-improvements/
New in Nautilus: New Dashboard Functionality — https://ceph.com/community/new-in-nautilus-new-dashboard-functionality/

Rook ¶

Rook 1.0 is out! https://blog.rook.io/rook-v1-0-a-major-milestone-689ca4c75508

Orchestrator ¶

Looked into CI enhancements
Deepsea orchestrator will add support to manage NFS and iSCSI form the Dashboard.
Work on changing the log-in mechanism of the ansible-runner-service
the Rook orchestrator saw some bug fixes.