Date: Thu, 31 May 2007 15:02:40 -0700 From: Bakul Shah <bakul@bitblocks.com> To: "Marc G. Fournier" <freebsd@hub.org> Cc: freebsd-emulation@freebsd.org Subject: Re: Running "Windows Emulation" headless ... possible? Message-ID: <20070531220240.82E585B3E@mail.bitblocks.com> In-Reply-To: Your message of "Thu, 31 May 2007 18:31:16 -0300." <67A57A9DEDC22CBEE0C436C1@ganymede.hub.org>
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> >> 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.
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