Storage visibility and Optimization. A Story of Ceph
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The slidedeck for the presentation by my team at the Atlanta Openstack Summit 2014.
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Storage visibility and Optimization. A Story of Ceph
- 1. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Cisco Confidential© 2013 Cisco and/or its affiliates. All rights reserved. Storage Visibility and Optimization A Story of Ceph
- 2. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco ConfidentialCisco ConfidentialCisco Confidential© 2013 Cisco and/or its affiliates. All rights reserved. Cloud/Big-data Winnovation Team Alex Holden ajonasho@cisco.com Damian Van Vuuren dvanvuur@cisco.com Ailing Zhang ailzhang@cisco.com Marc Solanas msolanas@cisco.com Matt Weeks maweeks@cisco.com Pengfei Zhang penfzhan@cisco.com Kai Zhang kazhang2@cisco.com Xinyuan Huang xinyuahu@cisco.com Debo Dutta dedutta@cisco.com Yathiraj Udupi yudupi@cisco.com
- 3. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Cisco Confidential© 2013 Cisco and/or its affiliates. All rights reserved. Why do we need storage visibility?
- 4. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential OpenStack Storage Openstack APIs Cinder ???? Swift Glance
- 5. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential The Storage Jungle
- 6. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Why is visibility useful? Optimal object distribution Failure detection Make underlying configuration easier Performance tuning
- 7. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Case Study: Ceph Source: http://ceph.com/docs/master/architecture/
- 8. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Case Study: Ceph hash(“foo”) % 128 = 0x3f “bar’ = 2
- 9. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Visibility in Ceph
- 10. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential The visibility we want in Ceph Visual monitoring Object distribution OSD real time status Visual management of crush rules
- 11. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
- 12. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Ceph Horizon Panel Demo
- 13. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Cisco Confidential© 2013 Cisco and/or its affiliates. All rights reserved. Use case: Identify bottlenecks
- 14. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
- 15. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Optimization Rebalance storage nodes dynamically Preview changes (Future work) Change configuration automatically (Future work)
- 16. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Conclusion Reduce downtime Increase storage performance Provide analytics and historical data More insights to follow!
- 17. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Thank you. Please answer our survey online: