VMworld 2012 Session OPS-CSM1167 - Architecting for vCloud Allocation Models • Chris Colotti's Blog

VMworld 2012 Session OPS-CSM1167 – Architecting for vCloud Allocation Models

Hey everyone!  VMworld is going to be here sooner than you think so I wanted to give a brief overview of what the heck this session with myself and Frank Denneman is going to be all about.

First off here is the published abstract:

“In this session Frank Denneman and Chris Colotti will break down the three vCloud Director Allocation models in-depth. Each model’s settings will be shown in detail to explain the effect on vSphere resource scheduling. They will then show how Allocation models of the same type with different configurations, as well as different allocation models could live on the same Provider vDC. The goal is to demonstrate that by not only fully understanding the allocation models, but the vSphere resource allocation together you can design for multiple allocation models on a single Provider vDC. This session is a must for anyone implementing vCloud Director that wants to maximize their cluster and vCloud resource designs.”

Okay so Chris, what the heck does that mean?!  Well here is the background on this session.  A few months back at PEX I was asked the simple question:

“Can we mix allocation models in the same provider vDC even though vCAT recommends not too.  If we do what is going to happen?”

Well this got me thinking and I said to myself there is no technical reason you cannot, but I can see how some things could get dicey IF you don’t understand what is going on as you create your vDCs.  So I reached out to my good friend and vSphere resource scheduling master Frank, and we decided this was deep enough to break down into a white paper.  Now the paper is not out yet, it is still pending editing and reviews, but we hope it will be out before VMworld, (fingers crossed), to help support this session.

So at the end of the day this session is going to take you through how to think about brining your various service levels together through the proper architecture of the allocation models.  By understanding how they affect vSphere, and the provider vDC we will show that you can make better design decisions as long as you know the possible effect.  We will make sure you walk away armed with more information to make better decisions when you get back.  In the end, this is all about how you as the provider can create maximum flexibility for your consumers, while maintaining your service levels to them.

I think anyone looking to really understand service levels and how allocation models in vCloud Director translate to not only those service levels, but the underlying functions in vSphere will like this session.  I know the conversations and presentations I have had recently using some of the material has gone over very well with both technical and business minded folks alike.

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