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Ceph and Apache CloudStack
Ceph and Apache CloudStack
Ceph and Apache CloudStack
Ceph and Apache CloudStack
Ceph and Apache CloudStack
Ceph and Apache CloudStack
Ceph and Apache CloudStack
Ceph and Apache CloudStack
Ceph and Apache CloudStack
Ceph and Apache CloudStack
Ceph and Apache CloudStack
Ceph and Apache CloudStack
Ceph and Apache CloudStack
Ceph and Apache CloudStack
Ceph and Apache CloudStack
Ceph and Apache CloudStack
Ceph and Apache CloudStack
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Ceph and Apache CloudStack

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Slides from my talk about RBD and Apache CloudStack at Ceph Days NYC.

Slides from my talk about RBD and Apache CloudStack at Ceph Days NYC.

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  • 1. Ceph and Apache CloudStack David Nalley ke4qqq@apache.org @ke4qqq
  • 2. #whoami Distributed storage junkie Recovering sysadmin Member, Apache Software Foundation PMC Member, Apache CloudStack Employed by Citrix in the Open Source Business Office
  • 3. Setting the stage Apache CloudStack is... ● an open source IaaS platform ● proven in production at massive scale ● awesome
  • 4. Gorgeous UI
  • 5. API ● Native: http://cloudstack.apache.org/docs/api ● EC2
  • 6. A brief history of cloud-y storage ● Most would say it started early 2006 with S3 launch ● This really set the stage and everyone's assumptions. ● Cloud-y storage == S3 == Object Storage ● Incredibly useful - typically able to scale well past traditional filesystem levels ● Super simple - to consume.
  • 7. A brief history of cloud-y storage ● Since then, we've had a number of open source and proprietary object storage alternatives emerge: – OpenStack Swift – Riak CS – Ceph (has an object storage option) – Caringo
  • 8. But we have largely ignored.... ● EC2 - used ephemeral storage initially ● Introduced EBS – Apparently zone-wide block storage
  • 9. So object storage is nice but... ● Doesn't fill the void for EBS-like storage ● Neither does traditional storage ● NAS/SANs aren't economically scalable
  • 10. Rados Block Device ● Ceph provides RBD ● Exposes a block storage device - like a SAN ● Easily scales for both performance and capacity
  • 11. Rados Block Device - Features ● Thin-provisioning ● Snapshotting ● Caching
  • 12. Let's talk about today ● CloudStack primarily is a consumer of storage ● Historically we've made storage the fault line – Concerns were IOPS, SPOF, Cost – Typically no more than 16 hypervisors per a single storage resource – So you needed lots of storage resources.....or just use local disk ● Distributed storage gives better scalability. – Mimics EBS requires data-center wide capabilities – Reduces costs, and constraints.
  • 13. What else is coming.. ● Support for format 2 RBD ● Snapshots ● Datacenter wide storage resources. ● Removal of need for legacy storage
  • 14. What else is coming.. XenServer support http://xenserver.org/blog/entry/tech-preview-of-xenserver-libvirt-ceph.html
  • 15. Resources ● http://ceph.com/docs/master/rbd/rbd-cloudstack/ ● http://blog.widodh.nl/
  • 16. Questions
  • 17. Contact ● Project – http://cloudstack.apache.org – #cloudstack on irc.freenode.net ● Me – ke4qqq on irc.freenode.net – ke4qqq@apache.org – @ke4qqq on Twitter

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