> From: Dan Swartzendruber [mailto:[email protected]]
> 
> All guests have guest additions.  Nothing special was done for CPU usage
> (default of 1 CPU).  I'm wondering about the vdi vs zvol.   Let me give
> that a try...

It wasn't really clear to me from the OP, what exactly is slow.  Is it disk 
access? CPU usage?

I think you're always better off, to assign multiple cores to the guests.  When 
you limit the guest to 1 CPU, you're just throttling the guest with no 
advantage.  If you give more than 1 cpu to each guest, as long as it's less 
than all the CPU's in the whole machine, you get better guest performance, and 
if there is demand for more CPU than your system can provide, it just load 
balances.  Which is probably what you want.

Make sure you've gone into BIOS and enabled every virtualization thing you see. 
 Sometimes there's one field for CPU virtualization enable, and another one for 
IO, and another one for trusted execution.  You can probably keep the trusted 
execution disabled if you don't know what that one is used for.


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