Category Archives: performance

All out of HA Slots

Posted on July 1, 2010 by Jon Owings

A few weeks a go I was moving a customer from an old set of ESX servers (not HA clustered) to a new infrastructure of Clustered ESX hosts. After building, testing and verifying the hosts we started moving the VM’s. … Continue reading →

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Operational Readiness

Posted on May 3, 2010 by Jon Owings

One thing I am thinking about due to the VCDX application is operational readiness. What does it mean to pronounce this project or solution good-to-go? In my world it would be to test that each feature does exactly what it … Continue reading →

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Ask Good Questions

Posted on April 5, 2010 by Jon Owings

This happened a long time ago. I arrived at a customer site to install View Desktop Manager (may have been version 2). This was before any cool VDI sizing tools like Liquidware Labs. I am installing ESX and VDM I … Continue reading →

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VMware View – User Profile Options

Posted on March 14, 2010 by Jon Owings

All the technology and gadgets for managing desktops are worthless if your users complain about their experience with the desktop. Something I learned administering Citrix Presentation Server. Differing methods exist to keep the technical presentation of the desktop usable, for … Continue reading →

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Random Half Thoughts While Driving

Posted on February 24, 2010 by Jon Owings

So I often have epiphany teasers while driving long distances or stuck in traffic. I call them teasers because they are never fully developed ideas and often disappear into thoughts about passing cars, or yelling at the person on their cell phone going 15 … Continue reading →

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VMware View and Xsigo

Posted on February 18, 2010 by Jon Owings

*Disclaimer – I work for a Xsigo and VMware partner. I was in the VMware View Design and Best practices class a couple weeks ago. Much of the class is built on the VMware View Reference Architecture. The picture below … Continue reading →

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iSCSI Connections on EqualLogic PS Series

Posted on February 16, 2010 by Jon Owings

Equallogic PS Series Design Considerations VMware vSphere introduces support for multipathing for iSCSI. Equallogic released a recommended configuration for using MPIO with iSCSI.   I have a few observations after working with MPIO and iSCSI. The main lesson is know the … Continue reading →

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New VMware KB – zeroedthick or eagerzeroedthick

Posted on January 19, 2010 by Jon Owings

Due to the performance hit while zeroing mentioned in the Thin Provisioning Performance white paper this article in the VMware knowledge base could be of some good use. I would suggest using eagerzeroedthick for any high IO tier 1 type … Continue reading →

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Fibre or Ethernet Saturation – Which comes First?

Posted on January 7, 2009 by Jon Owings

I was thinking about how far I can scale a VI3 Enviroment yesterday. I started to think, and that can be dangerous.What will saturate first? The Fibre network or the Ethernet network?So in my envisioned setup it would have dual … Continue reading →

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