Francesco, --On 10. August 2008 20:18:28 +0200 Francesco Camisa <francesco.camisa at policlinicosanmarco.it> wrote: > If you are using kernel 92.1.6 it's because apparently there is a bug. I > haven't tried 92.1.10 to check if it has been solved. On 5.2 stock kernel > on the other hand I have no problems. The server that has no problem with bonding at all has been using 92.1.6 for weeks now - the server having the problem is still running 53 - I try updating it to 92.1.10 now. Dirk > > Francesco > Policlinico San Marco > Italy > > ----- Original Message ----- > From: "Dirk H. Schulz" <dirk.schulz at kinzesberg.de> > To: "CentOS mailing list" <centos at centos.org> > Sent: Friday, 8 August, 2008 5:33:09 PM GMT +01:00 Amsterdam / Berlin / > Bern / Rome / Stockholm / Vienna Subject: [CentOS] Xen and bonding on > Centos 5.2 > > Hi folks, > > I am stuck with a weird phenomenon. > > I have set up two servers as xen servers with bonded interfaces (mode 1). > The bond interface works fine on both servers as long as xen is not used. > > When using xen's network-bridge script (with netdev=bond0), one server > works fine without problems, and the other starts upping and downing the > slave interfaces of the bond in a very fast manner (several runs per > second). Both configurations are identical, the only difference is: > - the working server has tg3 nic drivers > - the dysfunctional server has e100 nic drivers. > > Does it really depend on the nic driver if bonding works? And why does it > not work in xen, but work fine without xen? What can I do to analyse the > problem? > > I know I could ask this on the xen list, but I fear that this is a > redhat/centos specific phenomenon. > > Any hint or help is appreciated. > > Dirk > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos -------------------------------------------------------------- Dirk H. Schulz IT Systems Service Wiesenweg 12, 85567 Grafing Tel. 0 80 92/86 25 68 Fax. 0 80 92/86 25 72 -------------------------------------------------------------- Technik vom Feinsten - und das nötige Tuning