Tag Archives: XenDesktop

ThinIO facts and figures, Part 3: RDS and Ram caching.

logoWelcome back to the third instalment of this blog series focusing on our new technology ThinIO!

To recap, below you will find the previous articles:

Off topic note:

two years ago at an E2EVC event, the concept behind ThinIO was born with just a mad scientist idea amongst peers.

If you are lucky enough to be attending E2EVC this weekend, David and I will be there presenting ThinIO and maybe, just maybe there will be an announcement. Our session is on Saturday at 15:30 so pop by, you won’t be disappointed.

Back on topic:

So here’s a really interesting blog post. Remote Desktop Services (XenApp / XenDesktop hosted shared) or whatever you like to call it. RDS really presents a fun caching platform for us, as it allows us to deal with a much higher IO volume and achieve deeper savings.

We’ve really tested the heck out of this platform for how we perform on Microsoft RDS, Horizon View RDS integration and Citrix XenSplitPersonality with Machine Creation Services.

The figures we are sharing today are based on the following configuration and load test:

  • Logo_Login_VSI_TransparentCitrix XenDesktop 7.6
  • Windows Server 2012 r2
  • Citrix User Profile Manager.
  • 16gb of Ram.
  • 4 vCpu.
  • LoginVSI 4.1 medium workload 1 hour test.
  • 10 users.
  • VMFS 5 volume.

Fun figures!

Diving straight in, lets start by looking at the volume of savings across three cache types.

image001

 

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ThinIO facts and figures, Part 2: The Bootstorm chestnut.

logoWelcome back! This blog post is part of a number of posts in advance of our upcoming release, for reference you can find part one below:

Getting right to it:

In this industry when somebody says ‘boot storms!’ – most of us will respond with:

image002

Boot storms are a well documented, boring problem and have many solutions available from vendors and hypervisors alike. Most solutions today rely on a ‘shared memory’ storage area to cache ‘on boot’, in theory caching only one startup or one pattern in order to then serve it back to the proceeding desktops to boot.

But why are boot storms an issue? While working on ThinIO we had the unique ability to really dive into the Windows boot process and analyse why boot storms cause the damage they do and in this post we thought we’d share our findings to better document the issue.

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ThinIO Public Beta is go!

logoLets get right to it!

Warm up your labs or fire up your golden images ladies and gents, we’re delighted to announce ThinIO’s brief public beta will begin today!

This project has taught us some really interesting things about Windows IO, how Windows behaves and how the hypervisor and storage can behave. This project really felt like a David vs. Goliath task as we (members of our community with a desire to simplify this issue) attempted to tackle one of the largest issues in our industry, storage bottlenecks and Windows desktops.

What’s really unique about our approach is there are no hardware lead times, no architecture changes needed and no external dependencies. ThinIO can be installed in seconds and the benefits are seen immediately.

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HDXWatcher and PCOIPWatcher – Realtime, easy virtual desktop traffic reporting.

logoWhen checking the bandwidth requirement of multimedia sites, checking how much additional bandwidth video conferencing is going to require or even troubleshooting WAN capacity issues, it’s extremely useful to have a visible interpretation of realtime bandwidth consumption from your virtual desktop.

I wrote a tool quite some time ago called watcher2 while troubleshooting a similar issue. I finally took the time to refactor that tool for use with XenApp 6.5 , XenDesktop and VMware View and they are finally available to download! Both watcher utilities also include a latency counter which was a request that came in over and over.

HDX and PCOIP watcher by default dock to the top of the screen and can be moved left or right as below:

hdx watcher docked

pcoip watcher docked

They can now also be completely un docked:

hdx watcher

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XenDesktop Iconizer, a new tool for XenDesktop icons.

Recently I read a post from XD Tipster on how to convert Png files into icons and use them for XenDesktop and Storefront… A very interesting piece, but a bit convoluted and long winded for my liking. I didn’t like the idea of the two website hops to get this information into XenDesktop format… So I decided to write two utilities:

icons

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