Enabling Virtual Machine support

[Shawn O'Shea]

On Mon, Sep 28, 2009 at 2:13 PM, Darrell Michaud <dmichaud at amergin.org>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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