On 01/22/2013 03:12 AM, David Sommerseth wrote:
On 22/01/13 07:34, Chuck Munro wrote:
- I tried to use the Virtio flavor of disk, but the BSD-based VMs can't
use them, so I had to stay with IDE disk emulation.

Depending on the BSD flavour, of course, but FreeBSD 8.2+ and 9 have
virtio support ...

   <http://www.area536.com/projects/freebsd-as-a-kvm-guest-using-virtio/>
   <http://people.freebsd.org/~kuriyama/virtio/>

I believe there are some ongoing work for virtio support in both OpenBSD
and NetBSD as well.  But that's also all I know.

--
kind regards,

David Sommerseth


Many thanks for the info, David.  Very useful.

As it happens, I'm testing with multiple instances of m0n0wall, which is based on FreeBSD v6. I also have an instance of pfSense 2.0.2, which is based on FreeBSD 8.1, so I guess I'm out of luck until m0n0wall moves to v8.3 (in beta) and pfSense moves to v9 with rev.2.1. That explains the problem with Virtio.

Meanwhile, I tested an instance of Linux-based IPCop, which did use a Virtio disk, but still had the problem of writes once per second. It's as if libvirtd does a sync every second, and there's some sort of data being written each time. Very strange. I just discovered the linux-kvm.org forum, so I probably should post my question there.

Chuck

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