Is VVol the solution to VM awareness ??

VVols is ‘THE’ solution to VM awareness for many.

Yes, we have been waiting for it for a long time now and we are still unsure about its whereabouts.

For those of you who want to understand why there is a need for VM awareness, there are a lot of blogs on this topic by some of the best in the industry. Stephen Foskett covered it in three parts – Part1, Part2, Part 3. Tintri has a great infographic explaining it on a page here and in a blog post here .

VVols is bringing in a new type of model which basically helps one define policies and data services at a VM level, getting granular than the current model used by traditional storage devices, which is at a Volume/LUN level and at the same time preventing the IO Blender situation to an extent.

In my opinion, adding VVols to vSphere is a great step by VMware but it is definitely only a small part of the solution. In fact, I think it is just an enabler and there is a lot that is needed at the underlying storage level to make it an ideal VM aware storage. Let’s dig more into this.

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The Dilemma of Evaluating Storage for VMware

As a Consulting Systems Engineer focused on Virtualization, I get to meet a lot of Customers and Prospects that are evaluating storage solution for Virtualization, Cloud, Business Critical Applications etc. A lot of times, with so many options available in the Storage Industry with confusingly similar messages, this is how a Technology Evaluator looks at things.

Is this how you see it too? Believe it or not, this is the situation that some vendors work towards!

As we know, the devil is in the details. When a Technical Evaluator finds himself in this situation, there are specific questions that he/she can ask each vendor to get a clearer picture. I have tried to put a list below without a specific order.

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