KVM also supports memory overprovisioning, but in a slightly different way. Dynamic memory allows admins to overprovision memory, which increases the number of VMs that can run on a given host. Hyper-V includes a dynamic memory feature that lets VMs claim and relinquish memory based on current need - and demand never exceeds a preset limit. One area where Hyper-V and KVM differ is in dynamic memory allocation. Both hypervisors can use regular memory or non-uniform memory access. KVM and Hyper-V have flexible memory usage. However, if VM files are to be stored on NAS storage or on a network file share, then it requires server message block protocol 3.0. Microsoft's Hyper-V can run on any storage that Windows supports. This includes direct-attached storage and network-attached storage (NAS). KVM can use any storage that supports Linux. Those who prefer a GUI based- management tools have multiple options, such as Cloonix, Morpheus and Platform9 Managed OpenStack.īoth KVM and Hyper-V are extremely flexible with hardware support. Like Hyper-V, admins can manage KVM entirely from the command line. VMM is generally the preferred management tool for Hyper-V because it provides scalability and a consolidated view for VM infrastructure - but it requires a separate license. Microsoft also offers an enterprise-grade management tool for Hyper-V called System Center Virtual Machine Manager (VMM). Just as KVM and Hyper-V run on different OSes, they also require different management tools.Īdmins can manage Hyper-V with the Windows PowerShell command line, but most use a GUI-based tool such as Hyper-V Manager or Windows Admin Center. Though KVM runs on Linux, it can run Windows VMs and Microsoft Hyper-V can host Linux VMs. The underlying OS does not limit KVM and Hyper-V guest operating support. KVM can work on any recent Linux kernel with an x86 machine and an Intel processor with active Virtualization Technology, or AMD processors with the Secure Virtual Machine capability. It also offers a free, standalone version of Hyper-V called Hyper-V Server.
BENEFITS OF WINDOWS 10 HYPER V VS VIRTUALBOX PRO
Microsoft includes Hyper-V with Windows Server, Windows 10 Pro and Windows 10 Enterprise. KVM is that Hyper-V is from Microsoft and runs on Windows, while KVM is an open source hypervisor built into Linux. When organizations choose between the two, admins should select the hypervisor that best aligns with their existing infrastructure. This makes it important for virtualization admins to understand how these hypervisors compare to one another.
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