ProfessionalVMware BrownBag - SMB Design


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This week our illustrious host Damian was joined by Sean Crookston, Chris Wahl, and Bill Hill who Deep-Dived into designing vSphere environments as well as the vSphere Storage Appliance.

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ProfessionalVMware BrownBag - SMB Design

  1. 1. SMB Design Brownbag<br />Sean Crookston<br /><br />Twitter:seancrookston<br />
  2. 2. Bill Hill<br />Portland VMUG Leader, vExpert 2011, VCP<br /><br />Twitter:virtual_bill<br />Chris Wahl<br /><br />Twitter:chriswahl<br />
  3. 3. What makes an organization a SMB?<br />Common Misconceptions of SMB<br />SMB Specific Considerations<br />Storage Solutions for SMB<br /><ul><li>Local Storage vs Shared
  4. 4. VSA vs Dedicated Physical</li></ul>Design Considerations for the VSA<br />
  5. 5. What makes an organization a SMB?<br />
  6. 6. Mixed definitions exist of what small and medium sizes business are.<br />From the Vendor perspective, it may be based upon employee size, budgets, purchases, or other factors.<br />From the organizations perspective it may be based upon their current size or future plans for growth.<br />What makes an organization a SMB?<br />
  7. 7. Common Misconceptions of SMB<br />
  8. 8. They don’t have as large as budgets as bigger companies<br /><ul><li>As Steve Herrod, CTO of VMware stated during VMworld ½ of the world’s IT budgets are from Small and Medium sized businesses.</li></ul>They don’t require ‘enterprise class’ features.<br />Their infrastructures are not as redundant or capable as larger companies.<br />Common Misconceptions of SMB<br />
  9. 9. SMB Specific Considerations<br />
  10. 10. Group Discussed Considerations<br /><ul><li>Agility
  11. 11. ROI
  12. 12. Design Changes during design phase
  13. 13. Design must be self sufficient
  14. 14. May not require some of the features
  15. 15. Closer relationship with C-level stakeholders</li></ul>SMB Specific Considerations<br />
  16. 16. Storage Solutions for SMB<br /><ul><li>Local Storage vs Shared
  17. 17. VSA vs Dedicated Physical</li></li></ul><li>Shared Storage<br /><ul><li>VMotion Requirement
  18. 18. HA
  19. 19. Price has dropped</li></ul>Local Storage<br /><ul><li>Free ESXi
  20. 20. No need for VMotion or HA
  21. 21. Remote Sites
  22. 22. Less Complex</li></ul>Does company have a lot of data? Or high performing workloads?<br />Local Storage vs. Shared Storage<br />
  23. 23. VSA<br />Openfiler (no hcl)<br />Nexenta(no hcl)<br />Freenas(no hcl)<br />Starwind(iscsionly,hcl 4.1 only)<br />Dedicated Physical Storage<br />Ease of administration<br />Expandability<br />Cost vs Performance<br />Dedicated Physical Storage vs Virtual Storage<br />
  24. 24. Design Considerations for the VSA<br />
  25. 25. Crookston Farms has requested a solution to assist them in the upgrade of their existing 7 physical servers. <br /><ul><li>All of the hardware they are currently using is not on the HCL for vSphere 5
  26. 26. They have purchased 2 brand new hosts that are on the HCL for vSphere 5
  27. 27. After talking further they like the idea of a shared storage model. They like the simplicity of HA in the event of a host failure if the price is right.
  28. 28. A capacity planner is run and reveals that they can consolidate all 7 of their physical servers onto one vSphere host if necessary. </li></li></ul><li>How much storage is already in the servers?<br />Are the existing physical server 64 bit capable to deploy vCenter on?<br />What are the RTO/RPO requirements?<br />Are there remote replication requirements?<br />How much money do they have to spend?<br />What are the requirements for ease of management?<br />How much storage do they require in total?<br />VSA Design Scenario<br />
  29. 29. VSA Design Constraints<br />Host must have:<br /><ul><li>6 GB Memory minimum with 24 GB recommended
  30. 30. 4 NICs
  31. 31. Minimum of 4 disks and maximum of 8 per host(internal disks only, no DAS)
  32. 32. Disks must be configured in a RAID 1/0.
  33. 33. NFS ONLY</li></ul>Network Overhead for replication<br />vSphere 5 ONLY<br />vCenter cannot be part of the VSA cluster.<br />