Red Hat last week enhanced its open source alternative to Microsoft and VMware, Enterprise Virtualization 3.1, with the ability to mount larger virtual machines and achieve live migration across more storage systems than before.

It also cited the continued high performance of its kernel virtual machine, or open source KVM, in its Dec. 5th announcement.

Enterprise Virtualization 3.1 allows the creation of a virtual machine with up to 160 virtual CPUs and 2 TB of memory, said Red Hat’s Chuck Dubuque, senior manager of product marketing. That’s larger than the maximum 64 virtual CPUs and 1 TB of memory supported by Microsoft System Center’s Virtual Machine Manager or VMware’s vSphere 5.1.
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