Running "Windows Emulation" headless ... possible?

[martinko]

Bakul Shah wrote:
>>>> Can I run two or more QEMU instances on the same server with different IPs
>> ?
>>> Yes.  But you have to make sure each machine gets its own mac
>>> address.
>> Is that addressed using the tap interface, as Scott mentioned?
> 
> Yes.  You'd probably want to put tap devices in a bridge (in
> /etc/qemu-ifup: ifconfig $1 up; ifconfig bridge0 addm $1).
> 
>> Also, just curious, but what is the performance like?  I have one application
>> that I need to run, so I'm kinda hoping that maybe it will work with wine 
>> without all of the extra Windows overhead, but if it doesn't ...
> 
> Performance will be worse.  But I guess you knew that:-) Only
> you can decide if you can live with degraded performance.
> You can try running on an SMP machine but I am not sure if
> kqemu is SMP safe.  Make sure you have enough RAM to avoid
> each Qemu from paging and allocate enough RAM to each VM to
> avoid paging within each VM.  Finally, if the primary use of
> your machine is for running a bunch of VMs, consider other
> alternatives such as Linux + xen, Linux + kvm, vmware etc.

hello,

i plan to run windows in qemu and i have this question:
should i give more memory to qemu instance (via -m) and decrease windows 
pagefile size or possibly not use it all, or should i just leave 
pagefile as set up by windows ?

cheers,

martin