Aug 17, 2011

What's the benefit to using Red Hat Enterprise Virtualization over VMWare vSphere?

Most of my experience with virtual servers has been with VMware, who are considered the market leaders for virtualization. I've been told to seek out some alternatives to compare since VMware recently changed their licensing agreements which will cost us a bunch more money. Are there any benefits to RHEV besides cost? Are there any problems? I'm not in a rush to change things but we need to make a decision in the next couple of months.


If you can hold out until RHEV 3.0 comes out later this year, RHEV will gain the ability to use up to 2TB RAM and 64 virtual processors, which is double what vSphere can do. That translates into more virtual servers per hardware server, which is usually a good selling point when trying to get management to bite off on the cost of the upgrade, or in your case, migration.


The thing I would check first is if you're using third party management tools that work with VMware. See if they have versions for the Red Hat Enterprise Virtualization platform. The main reason we don't plan to change is because things are working well for us.


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