Avi Kivity wrote: > Anthony Liguori wrote: >> >> If you are using virtio drivers in the guest (which I presume you are >> given the reference to /dev/vda), try using the following -drive syntax: >> >> -drive file=/dev/mapper/ioband1,if=virtio,boot=on,cache=off >> >> This will force the use of O_DIRECT. By default, QEMU does not open >> with O_DIRECT so you'll see page cache effects. >> >> > > Good point. But IIRC cache=off is not limited to virtio?
Nope. I just wanted to give the exact syntax to use and it looked like he was using virtio. Regards, Anthony Liguori ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
