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StorageArchitecturesForCloudVDI

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A short presentation on storage architectures for cloud in particular for VDI applications. …

A short presentation on storage architectures for cloud in particular for VDI applications.

Published in: Technology, Business
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Transcript

  • 1. Storage Architectures for VDI Environments Vinay Rao 9/29/2011
  • 2. Traditional Data center architectures
    • Compute farms connected to storage via SANs.
    • Mid to high-end shared storage arrays with fiber channel or iSCSI.
    • NAS filers accessed via NFS/CIFS protocol.
    • Load balancers, cloud management platforms, etc.
    • Virtual machines sharing the FC or iSCSI HBA devices.
  • 3. Challenges for VDI environment
    • Data management of LUNs/mount points does not scale.
    • Hotspotting due to application and boot storms.
    • Virtual machine IO blending causes drop in performance from 30 to 50%
    • VDI needs shared storage infrastructure skyrocketing costs to 5-15$/GB.
    • Scaling to potentially peta bytes of data and millions of Virtual desktops.
  • 4. Solutions to storage issues
    • Golden master copy of boot images/application images on an SSD tier.
    • Efficient rapid snapshotting and cloning by using hypervisor services.
    • Abandoning SANs and NASs and using a Distributed file systems approach.
  • 5. VM density of storage protocols
  • 6. New architectures for cloud VDI
    • Virsto One
      • No SAN or NAS required. No IO blending.
      • Hypervisor Software only solution.
      • Redundant blocks across several nodes.
      • Storage VM on each server manages.
      • Snapshot/Cloning capability.
  • 7. New Architectures for Cloud VDI
    • Nutanix
      • No LUNs/Mount points/SANs/NFS filers
      • Appliance model, uses SSDs built-in.
      • Distribute the storage metadata for performance and HA properties.
      • Storage auto-tiering.

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