Best Practices in Virtualization Testing
Deploying and maintaining VDI is a challenge for every company. There are so many decisions to make and the speed of change seems to be accelerating. Because we are all constantly trying to make the best use of constrained resources, a question we get regularly here at Login VSI has to do with scaling tests. It goes something like: "If I want to find out the number of servers I need, I simply test how many users I can put on one server then multiply by the number of users I need to support. Right?"
My answer to this is a definite "Njet, no way, negative." Your complete environment responds fundamentally differently than when you test on just one or two machines. The most obvious reason for this is your storage system. It’s very likely that you are using shared storage. Meaning, at some point you will be out of storage resources. And without storage optimization solutions, this might be sooner than you like.
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