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© 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
© 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 Damian Van VuurenAiling Zhang
Marc Solanas Matt Weeks Pengfei Zhang
Kai Zhang
Xinyuan Huang
Debo Dutta
Yathiraj Udupi
© 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?
© 2013 Cisco and/or its affiliates. All rights reserved.
Cisco
Confidential
OpenStack Storage
Openstack APIs
Cinder
????
Swift Glance
© 2013 Cisco and/or its affiliates. All rights reserved.
Cisco
Confidential
The Storage Jungle
© 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
© 2013 Cisco and/or its affiliates. All rights reserved.
Cisco
Confidential
Case Study: Ceph
Source: http://ceph.com/docs/master/architecture/
© 2013 Cisco and/or its affiliates. All rights reserved.
Cisco
Confidential
Case Study: Ceph
hash(“foo”)
% 128 =
0x3f
“bar’ = 2
© 2013 Cisco and/or its affiliates. All rights reserved.
Cisco
Confidential
Visibility in Ceph
© 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
© 2013 Cisco and/or its affiliates. All rights reserved.
Cisco
Confidential
First Ceph Dashboard Within Horizon!!!
© 2013 Cisco and/or its affiliates. All rights reserved.
Cisco
Confidential
Ceph Horizon
Panel Demo
© 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
© 2013 Cisco and/or its affiliates. All rights reserved.
Cisco
Confidential
© 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)
© 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!

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Storage Visibility for Operations - A Ceph Story

  • 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 Damian Van VuurenAiling Zhang Marc Solanas Matt Weeks Pengfei Zhang Kai Zhang Xinyuan Huang Debo Dutta Yathiraj Udupi
  • 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 First Ceph Dashboard Within Horizon!!!
  • 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!