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Bridging The Gap: Explaining OpenStack To VMware Administrators
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Bridging The Gap: Explaining OpenStack To VMware Administrators


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Updated from Kenneth Hui and Scott Lowe's joint talk at the Fall 2013 OpenStack Summit in Hong Kong. This is from a talk given by Cody Bunch and Kenneth Hui at the New England VTUG 2014 Winter …

Updated from Kenneth Hui and Scott Lowe's joint talk at the Fall 2013 OpenStack Summit in Hong Kong. This is from a talk given by Cody Bunch and Kenneth Hui at the New England VTUG 2014 Winter Warmer.

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  • A Cloud Computing platform sits above the virtual data center and provides both a control plane over and resource access to the virtualized data center. OpenStack, as a Cloud Computing platform, manages virtualized resources, such as virtual machines exported by a hypervisor, network overlays created by Software-Defined Network devices, and volumes exported by virtual storage arrays. OpenStack takes these data center resources and automates and orchestrates them so they can be accessed on demand and be scaled up and down as needed, turning these resources into consumable services.
  • The OpenStack platform is actually composed of multiple components, called projects. Each project is managed by a technical committee and the OpenStack Foundation decides which projects are ready to be included in the OpenStack core. These projects work together to provide the services required to deliver the Cloud.
    Nova – The compute project responsible for on-demand creation and termination of compute instances. Nova leverage a number of hypervisors, including KVM, Xen, Hyper-V, and vSphere.
    Glance – The OS image management project responsible for storage and management of images used to create compute instances with OSes installed, such as Windows and Linux.
    Quantum – The network project that provides network access and security services to compute instances. Quantum uses plugins to leverage virtual switches and SDN-enabled devices.
    Swift – The object storage project that provides a scalable repository for storing large quantities of objects such as files and media content. It can also be used as an repository for Glance images.
    Cinder – The block storage project that provides a virtual storage array that can export out iSCSI volumes. A Cinder/virtual storage array server can be a server with local storage or a server using an external storage array.
    Horizon – The interactive dashboard project that provides users and admins provisioning and management access to the OpenStack Cloud via a web GUI.
    Keystone – The identity management project that provides authorization and access security control for all the other OpenStack projects.
    New projects are being added with each release and as the OpenStack community calls for them. New projects underway include metering, application orchestration, and database-as-a-service.
  • Transcript

    • 1. Bridging The Gap: Explaining OpenStack to VMware Administrators Cody Bunch – Principal Architect, Private Cloud at Rackspace Kenneth Hui – Open Cloud Architect at Rackspace January 16, 2014
    • 2. Cody Bunch: Who Am I? 2
    • 3. Kenneth Hui: Who Am I? 3
    • 4. 4 Let’s Start with Cloudy Principles
    • 5. Nothing Is Forever in the Cloud 5
    • 6. Focus on Application Resiliency 6
    • 7. 7 Use Cattle Not Pets • Pets needs care and feeding – Name the VM – Tune and groom regularly – Feed pets with good food and supplements – Take pets to the vet when they are sick • Cattle are disposable – Cloud instances are not unique – Tune and groom apps not the cattle – Replace when necessary – Shoot the cattle when it is sick
    • 8. Focus on Scaling Out Not Scaling Up 8
    • 9. Embrace Automation 9
    • 10. Embrace Cultural Change 10
    • 11. 11 What is OpenStack?
    • 12. Not Just a Virtualization Tool But a Collection of Cloud Platform Tools
    • 13. 13 Automation and Orchestration of IT Resources
    • 14. 14 To Deliver IT Services at Scale
    • 15. 15 The OpenStack Projects
    • 16. 16 Comparing Architectures
    • 17. vSphere: Tightly Coupled Architecture
    • 18. OpenStack: Loosely Coupled Architecture
    • 19. 19 Compute
    • 20. 20 vSphere Client & Horizon Dashboard
    • 21. Virtual Machines and Nova Cloud Instances
    • 22. Custom VMs and Flavors
    • 23. Templates and Glance Images
    • 24. 24 Networking
    • 25. 25 vSphere and Neutron Networking
    • 26. 26 Storage
    • 27. Virtual Storage and Storage Projects ESXi ESXi ESXi ESXi ESXI ESXI VMs VMs ESXI ESXI VMs VMs ESXI ESXI VMs VMs ESXI ESXI VMs VMs Nova Ephemeral Block Object
    • 28. OpenStack Storage Options
    • 29. Ephemeral Storage
    • 30. Cinder Block Storage
    • 31. Swift Object Storage
    • 32. 32 Operational Differences
    • 33. vMotion and Live Migration
    • 34. vSphere HA and Instance Evacuation Evacuate Evacuate
    • 35. No vSphere-style HA using KVM with libvirt
    • 36. So What’s Wrong with OpenStack? 36
    • 37. Chaos and Failures Are Inevitable 37
    • 38. Focus on Anti-fragility 38
    • 39. 39 What About VMware with OpenStack?
    • 40. 40 VMware is a Company NOT a Product • VMware sells multiple technologies and products – vSphere – vCloud – End-user Computing • VMware is in co-opetition with OpenStack – Cooperation • vSphere with Nova • Nicira with Neutron • VSAN with Cinder – Competition • ESXi vs. KVM • vCloud Suite • vCloud Hybrid Service (vCHS)
    • 41. 41 OpenStack Is NOT a Hypervisor • OpenStack Nova is a manager of hypervisors • OpenStack can manage multiple hypervisors –
    • 42. 42 So Why Use VMware with OpenStack? • Customers have sunk investments in vSphere • Customers have legacy workloads that may not be suitable for KVM with libvirt • Customers can leverage VMware Technologies • vSphere can provide an on-ramp to a true Cloud
    • 43. 43 Multi-hypervisor OpenStack Architecture
    • 44. 44 VMware Working with OpenStack
    • 45. 45 Resources and Contact
    • 46. 46 Additional Resources • Getting Started with OpenStack – – – • The OpenStack Cloud Computing Cookbook (Second Edition) –
    • 47. 47 Additional Resources • OpenStack for VMware Administrators – – http ://– – – list=PLOPbuXbsHCyp3kcwKrj6RIuABVt5FL1CS • VMware OpenStack Virtual Appliance (VOVA) – 3/11/05/announcing-new-release-of-vova-based-on-havana-stable –
    • 48. 48 Additional Resources • #vBrownBags - Community Driven - “Couch to OpenStack” – Getting started with OpenStack Series: -
    • 49. For More Information Cody Bunch @cody_bunch Kenneth Hui @hui_kenneth
    • 50. 50