On Thu, 2008-04-10 at 14:14 +0900, Jun Koi wrote: > On 4/10/08, Jorge Lucángeli Obes <[EMAIL PROTECTED]> wrote: > > On Thu, Apr 10, 2008 at 12:59 AM, Jun Koi <[EMAIL PROTECTED]> wrote: > > > Now I succesfully installed 2.6.25-rc8, and virtio block device works > > > well. But from inside my VM, how can I say it is using virtio for > > > block? > > > > > > And is there any number about the performance gain using virtio block? > > > > > > Another question: currently I have some problem with network: I use > > option > > > > > > "-net nic,model=virtio" > > > > > > and try to configure VM from inside after booting, network doesnt > > > work, even after I manually configure eth0. > > > > > > How to fix that network problem? > > > > > > '-net nic,...' only specifies the "hardware" part of QEMU/KVM's > > networking. You also need to specify whether you are going to use > > usermode networking or bridged networking. QEMU documentation covers > > both modes pretty well. > > > > To test the card quickly, use usermode networking, where QEMU provides > > a usermode network stack (complete with DHCP server) that let's you > > use the VM as if it were behind a completely restrictive firewall that > > only allows outbound connections. > > > > '-net nic,model=virtio -net user' > > > > It's a great way to test the network card. If your host has an > > Internet connection, firing up a browser in the guest (after getting > > the guest interface up using DHCP) and accessing a web page should > > "just work". > > "-net user" works, thanks! >
For general knowledge -net tap drastically improves performance. There is also work in progress mainly by Rusty to do copy-less tap networking. > I didnt use the option because I think that is default. But it seems > if you use "-net" (for "model=virtio" in this case), you must specify > the networking mode. > > Regards, > Jun > > ------------------------------------------------------------------------- > This SF.net email is sponsored by the 2008 JavaOne(SM) Conference > Don't miss this year's exciting event. There's still time to save $100. > Use priority code J8TL2D2. > http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone > _______________________________________________ > kvm-devel mailing list > kvm-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/kvm-devel ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
