On Mon, Sep 28, 2009 at 2:13 PM, Darrell Michaud <[email protected]>wrote:
> Just to round out the thread.. > > As people have already stated, the intel VT optimizations are not required > to support virtualization, or even hypervisors. Vmware ESX is an example > of a decent hypervisor that does not require these CPU capabilities to be > present. KVM on the other hand requires either VT or AMD-V to run. > > Just to clarify re: ESX. As of ESX (and ESXi) 4.0 (aka the vSphere suite of products), minimum system requirements are that you must have a 64-bit capable CPU and a minimum of 2GB of RAM. To the point of this thread, if you want to run a 64-bit guest operating system, ESX (and ESXi) *do* require VT extensions. See "Support for 64-Bit Guest Operating Systems" in either the "ESX and vCenter Server Installation Guide" or "ESXi Installable and vCenter Server Setup Guide" available http://www.vmware.com/support/pubs/vs_pages/vsp_pubs_esx40_vc40.html and http://www.vmware.com/support/pubs/vs_pages/vsp_pubs_esxi40_i_vc40.htmlrespectively. -Shawn
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