VM /ETC

Posts Tagged ‘flexclone’

After talking with NetApp at their booth on the VMworld 2009 Solutions Exchange floor I came to the conclusion that the Rapid Cloning Utility (RCU) does way more for VDI implementations then the tool’s name implies. Available for free to customers that already own NetApp’s file and volume cloning  features, RCU can create automated and customized virtual desktops more quickly and with better storage efficiency while still integrating the administrative convenience and control available in vCenter and VMware View. RCU has been elevated in my mind as a “must use” tool for VDI implementation using NetApp storage.

I went to their booth with a purpose. It was obvious to me that RCU would automate the mass creation of virtual desktops by cloning a volume that contained a template desktop image. Although that’s a great time saver available when you deploy a solution based on NetApp storage,
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For my project, 5 TB of raw disk space on a NetApp FAS3020 resulted in roughly 2.5 TB of usable NFS volumes. Sacrificing half the storage as overhead (for both ESX and NetApp) might seem like a big hit to take at first, but when you consider what you are able to do in the remaining useable space it can change your opinion. In my recent experience, after combining the features of Flexclones, VirtualCenter (VC) templates, deduplication, and NFS the remaining 2.5 TB enabled a virtual desktop infrastructure (VDI) storage solution for over 80 virtual machines (VMs). Your results may vary, but the concepts discussed in this post provide for a scalable and flexible design.

Although this post discusses NetApp, I imagine any NFS filer with similar features could be used in this same fashion. I’m curious for feedback on not only this solution, but the pros and cons of other vendor’s features in a similar scenario.

Here’s a logical diagram illustrating a NFS volume strategy followed by some high level details of each volume. Read the rest of this entry »