Extreme Density: 5768 Hosted Shared Desktops in a single blade chassis
With IBM Flex System ™ x222 Compute Node and Citrix XenDesktop ™ 7
in August we watched a new platform called IBM server FlexSystem x222 Compute Node, and a huge amount of interesting and innovative solution tests the IBM labs in Austin undertook with XenDesktop 5.6 and published on infrastructure solution page IBM Smart Cloud Desktop.
In this test IBM introduced the ability to host 4256 averages VDI users in a single blade chassis . They also provided detailed and comprehensive scalability tips around the processors, memory, storage and networking.
Today I am very happy to announce that IBM Austin Lab has updated their guidance and numbers for XenDesktop 7. And what is more, they added new usage scenarios in their test solution, including advice scalability for hosted shared desktops
the reference architecture document is available here :. SmartCloud Desktop Infrastructure IBM with Citrix XenDesktop. That document includes the IBM PureFlex solution announced for office SmartCloud infrastructure -. Offers a pre-configured, integrated VDI optimized for VDI deployments and available with both the IBM Flex System x222 ™ based on Intel CPU and Flex System x240 compute nodes
Before entering the numbers let me quickly remind you that the IBM x222 FlexSystem is and what is unique in the industry.
"the x222 Compute Node Flex System is optimized for desktop virtualization and was created to meet the demand for greater computing capacity within an existing physical footprint. The density of a IBM system standard Flex node is doubled, providing two twin knots by standard calculation bay in the IBM system Enterprise Flex chassis for the equivalent of up to 28 nodes per chassis. the x222 Flex system uses two Intel Xeon processors and up 384 GB of memory per dual compute node and can support up to twice the number of processors compared to the traditional approach in the same rack space. "
As pointed out in my previous blog, and documented by IBM in Citrix XenDesktop reference architecture, a single IBM Blade x222 can support 152 simultaneous VDI users, all running simultaneously VSI Medium worker Task while running XenDesktop 5.6, while providing a solid user experience.
This is equivalent to 4256 Medium task workers supported within a single blade chassis.
This kind of density equals a lot of potential savings for our customers in both infrastructure costs (fewer things to buy), space (less footprint data center), heat / cooling / electricity (save money and help the environment), and even the complexity of the configuration and build on.
It really is an astonishing number, and has many power packed into a small footprint.
However, with the XenDesktop 7 and using the Hosted shared desktop configuration ... the density results IBM reported this time ... are simply amazing.
As shown in the table below (taken from page 13 of the IBM document). Using 2xE5-2470 2.3 GHz processors, IBM was able to support 206 users on one twin servers in an IBM blade x222. (Note: It is running exactly the same average simulated workload task as described above.)
| The workload | VM OS | # VM | maximum users |
| Medium | Windows Server 08 R2 | 4 | 206 |
| Medium | Windows server 08 R2 | 6 | 206 |
| Medium | Windows Server 08 R2 | 8 | 210 |
So ... we'll work this math out ...
206 workers on 1/2 of the blade x222 = 412 users on maximum x222 blade!
And as you can fit in a chassis 14x Blades ...
This is 5768 medium tasks of workers
read any email joyfully surf the web, watch videos and building presentations ... and all accessible from a single blade chassis.
(Again this number does not include reductions to planning disaster recovery, so your mileage may vary. But the IBM document provides solid advice for calculation and planning for your DA needs.)
Furthermore, in the presentation of different configurations and scalability of their results, IBM has also provided our customers the opportunity to choose configuration that is best for you. For various reasons, including the licensing of Windows virtual machines, some of you may opt for a VM configuration 4x instead of 8x VM configuration. And through information and details provided, you can make decisions based on numbers and compromise the real world.
There is much more information, guidance, and the tests provided for within the document and IBM as well as capabilities in the solutions they describe. This blog just highlighted one of the many reasons why you need to spend some time investigating these solutions for yourself.
IBM SmartCloud Desktop Infrastructure with Citrix XenDesktop
IBM Smart Cloud Desktop Infrastructure.
pure IBM SmartCloud infrastructure FlexSolution for office
My previous blog on this subject can be found here. Density reinvented with IBM Flex System x222 ™ and Citrix XenDesktop ™
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