If you're like most people, you may think that spending time tuning your storage infrastructure is a luxury you can't afford. In fact, it teaches you a great deal about what makes your storage tick. That knowledge can be invaluable when you plan for additions to your storage infrastructure -- or get in a fight with a vendor over whether an application or your storage is to blame for poor performance.
Storage tuning is also one of the deeper topics you'll find in IT today. There are a vast number of variables that can affect performance, many of which will be specific to the applications you run and the type of equipment you have fielded to run them. Tuning storage is by no means a one-size-fits-all process.
Yet some basic concepts can help anyone. Here, I'll dig into some of the concepts for tuning the storage performance of VMware vSphere virtualization hosts.
Where to start
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