4. CEPH IS A UNIFIED STORAGE SYSTEM
RGW
S3 and Swift
object storage
LIBRADOS
Low-level storage API
RADOS
Reliable, elastic, distributed storage layer with
replication and erasure coding
RBD
Virtual block device
with robust feature set
CEPHFS
Distributed network
file system
OBJECT BLOCK FILE
6. CEPH IS FREE AND OPEN SOURCE SOFTWARE
● Freedom to use
● Freedom from vendor lock-in
● Freedom to innovate
7. ● Reliable, durable storage service out of unreliable components
○ No single point of failure
○ Replication and erasure coding
● Favor consistency and correctness over performance
CEPH IS RELIABLE
8. ● Ceph provides elastic infrastructure
○ allows storage to grow or shrink
○ add or remove hardware while
cluster is online
○ online, rolling software upgrades
● Single-cluster scaling within a region
● Multi-cluster federation across regions
CEPH IS SCALABLE
9. ● Platform ecosystems
○ Run by ⅔ of Openstack clouds (block and file)
○ Primary backend for Rook (Kubernetes)
○ Data lake / hadoop ecosystem via s3a adapter
● Diverse vendor community
○ Software and hardware vendors
● Expanding developer community
CEPH IS GROWING
12. ● Organized as a directed fund under the Linux Foundation
○ Members contribute and pool funds
○ Governing board manages expenditures
● Tasked with supporting the Ceph project community
○ Financial support for project infrastructure, events, internships,
outreach, marketing, and related efforts
○ Forum for coordinating activities and investments, providing
guidance to technical teams for roadmap, and evolving project
governance
● 31 founding member organizations
○ 13 Premier Members, 10 General Members, 8 Associate members
(academic and government institutions)
THE CEPH FOUNDATION: WHAT IS
IT?
16. ● Technical governance does not change
○ Ceph Leadership Team (CLT) still consists of component leads and core devs
● Intellectual Property (IP) ownership does not change
○ Ceph copyright still distributed among 1000+ of contributors
○ Trademark licensed by Red Hat to Linux Foundation (LF) for Foundation’s use
○ Foundation will evolve stewardship policies for trademark over time
● The Ceph Foundation’s Governing Board replaces the Ceph Advisory Board
● We can now spend money in coordinated fashion
○ Streamline process of supporting project events, infrastructure, etc.
○ Fresh forum for coordinating and supporting community activity
THE CEPH FOUNDATION: WHAT CHANGES?
17. ● Event planning committee
○ Regional representation (Asia, Europe, Americas)
○ Cephalocon, Ceph Day, developer meetups and hackathons
● Community infrastructure
○ Take advantage of cloud resource donations (e.g., VMs for CI builds)
○ Expand and refresh hardware in Sepia lab (currently ~8 racks)
○ Expand multi-architecture enablement (ARM, POWER)
● Internships (e.g., Outreachy)
● Ceph documentation and training improvements
● Upstream development process improvements
○ Improve developer events, outreach, engagement
THE CEPH FOUNDATION:
INITIATIVES
18. ● Mike Perez, our new community manager
● Stormy Peters, Richard Fontana (Red Hat)
● Lars Marowsky-Brée (SUSE)
● Ray Sun (Prophet Tech)
● Dan van der Ster (CERN)
● Kevlin Husser, Michael Dolan, Min Yu, Zibby Keaton (Linux Foundation)
SPECIAL THANKS
20. ● Inaugural Cephalocon APAC took place in March 2018
○ Beijing, China
○ 2 days, 4 tracks, 1000 attendees
○ Users, vendors, partners, developers
● 14 industry sponsors
CEPHALOCON
21. ● Cephalocon Barcelona 2019
○ May 19-20, 2019
○ Barcelona, Spain
○ Similar format: 2 days, 4 tracks
● Co-located with KubeCon + CloudNativeCon
○ May 20-23, 2018
● Call for proposals opens this Friday
○ Submission deadline: Friday, January 18, 2019
○ Schedule announced: Thursday, March 7, 2019
○ (same dates as KubeCon)
● https://ceph.io/cephalocon/
CEPHALOCON BARCELONA
23. ● Join both the Ceph and RDO communities for a Happy Hour while in Berlin
○ When: Wednesday, November 14th
○ Where: Anita Berber, Pankstraße 17, 13357 Berlin
○ Time: 7pm - 9pm
○ Drinks and appetizers will be served
○ Register:
https://ossrdocephhappyhour.eventbrite.com
CEPH AND RDO HAPPY HOUR
