Server virtualization saves money and power, but that doesn’t mean you should virtualize everything. Some resources should be left alone.
“Because we can” is a lousy reason to virtualize a server.
Yet in a surprising number of cases that’s what the argument for virtualizing a particular server boils down to. The company has a virtualization initiative under way and that server is just sitting there, so . . .
While the advantages of server virtualization are undeniable, that doesn’t mean it’s a good idea to virtualize every application and every server in the data center. In fact, in some cases, using virtualization is asking for trouble. A “virtualize everything” policy can cause many problems, including degraded performance, support headaches, increased licensing fees, and sudden lack of support from software vendors.
One of the tricks in a successful server virtualization program is to know what you don’t want to virtualize – and why not. READ MORE