Data Center Tech Blog
Patric Chang

Senior Director at SanDisk’s Global Technology Ecosystem

Guest blog post by Patric Chang, Senior Director of Global Technology Ecosystem

In a preceding blog, Chris Marsh outlined and explained the different types of virtual desktops and the differences between these two types of virtual desktops.

I want to address how to overcome the customary barriers to successful deployment of EUC/VDI across organizations. These barriers are a result of the inherent requirement for high IOPS, latency incurred by the round trip to shared storage, additional capacity required to address regular peak demand on storage IOPS (for example during ‘Boot Storms’) , and significant increase in cost and complexity involved in rolling out End User Computing (EUC)/Virtual Desktop Infrastructure (VDI) across the organization.

At VMworld Barcelona, SanDisk® is showing new solutions and products that can decisively help customers break through these barriers to deliver fast, cost-effective VDI for both stateless and persistent desktops.

Achieving High Density VDI and Breakthrough Performance

For stateless desktops, IT teams can implement a powerful ,fast and straightforward solution by utilizing Fusion ioMemory flash drives to deliver low latency and high IOPS not only for read but also for write. Many EUC/VDI applications generate significant write traffic and the ioMemory flash drives and their cut though architecture delivers high level of write IOPs. What this means for customers is the ability to realize the benefit of a high virtual desktop density per server. For example, by utilizing Fusion ioMemory cards, Isos Housing, a Not-for-profit UK housing firm, was able to improve application launch time by 20X and recovery time by 24X! An outstanding improvement in application speed!

VDI isos

Persistent virtual desktops have the triple challenge of delivering high IOPS, maintaining acceptable latency of writing and reading data over the storage network, and managing complexity as the infrastructure is augmented to support large number of virtual desktops across the organization.

SanDisk addresses this triple challenge with an innovative solution that utilizes Fusion ioMemory drives with VDI-intelligent software. The software reduces writes to shared storage by caching non-persistent writes into a cache using the in-server Fusion ioMemory flash, and reuses share objects in the cache across virtual desktops. As a result, the number of read and write IOPS placed on shared storage is reduced by 90%. This is a very versatile solution. You can deploy the solution using existing SAN storage, with a new iSCSI storage, or with hybrid or all-flash storage.

What You’ll See at VMworld Europe

SanDisk will be showing a 1500-seat virtual desktop solution with a flash-powered (hybrid) array running a storage intensive workload delivering fast and consistent response times. This solution, as validated by an ESG group Lab Spotlight1, is able to support 16X more virtual desktops when compare to a solution using traditional storage only.


We’ll also be showing VDI configurations which utilize SanDisk enterprise SSD and ULLtraDIMM products, and you can learn more about our various testing and configuration results in Biswapati Bhattacharjee’s latest blog post.

Join us at VMworld to see these exciting solutions at Booth #S200 and speak to our subject matter experts about your own deployment. At our booth you’ll also be able to enter for a chance to win one of six Wireless Connect SanDisk flash drives. If you cannot make it to this VMworld but like to speak to us about these solutions, you can contact us here.

I look forward to seeing you in Barcelona! Nos vemos!

1 ESG Lab Spotlight, End-to-end Flash for VDI, August 2014.


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