[geeks] Virtual Machine Hosting

[Sridhar Ayengar]

Shannon Hendrix wrote:
> On May 8, 2009, at 08:58 , Lionel Peterson wrote:
> 
> 
>> Is the storage local or on the network?Can you dedicate a physical 
>> local drive to the VM? What about a VM specific path to the network 
>> storage (each VM would have two NICs minimum, one for connectivity by 
>> users, the other for NAS/SAN access)?
> 
> The storage is local.  In this case, it's our own subsidiary that runs 
> the machine.
> 
> Xen just isn't great on I/O I suppose.
> 
> In fact, VMs in general kinda suck on I/O, compared to something like 
> zones.

IBM VM has been doing fine with I/O for decades.  Give it time.  The PC 
VM vendors will get there eventually.  Just a matter of optimization.

Peace...  Sridhar