At Sat, 25 Apr 2009 16:32:06 -0400 CentOS mailing list <centos at centos.org> wrote: > > > On Sat, 2009-04-25 at 14:52 -0500, Les Mikesell wrote: > > JohnS wrote: > > > On Sat, 2009-04-25 at 20:33 +0200, Kai Schaetzl wrote: > > >> I have a strange problem on one machine where eth0 gets killed when I add > > >> a virtual interface. It's got something to do with the NIC ordering or > > >> with the xen network script having a problem with multiple NICs and > > >> virtual interfaces. I could need some help/comments on this. > > >> > > >> Some history: > > >> I added a NIC (chip identifies as Realtek Semiconductor Co., Ltd. > > >> RTL8111/8168B PCI Express Gigabit Ethernet) to a Dell R200 server. > > >> CentOS 5.3 with Xen 3.3.1 (gitco repo). > > > ---- > > > see this: > > > http://linux.dell.com/files/whitepapers/nic-enum-whitepaper-v3.pdf > > > > > > This is a known issue with all Poweredge Servers. It will give you an > > > explanation and workaround for it. > > > > I don't think there is anything unique to Dells about this. The kernel > > essentially randomizes device naming on everything. Dell just took the > > trouble to document it. > --- > > Also: https://bugzilla.redhat.com/show_bug.cgi?id=491432 > Seems to apply to Kais case. > > You *must* specify the HWADDR field in the ifcfg-* files in order to > have persistent ethernet naming. Was the way I done it on dell hardware > and it states that on the Bug Report. On ALL RedHat flavored distros (even eith 2.4 kernels), I *always* specificed the HWADDR field in the ifcfg-* files. I *think* the RedHat installers generally always set this field during installation as well. At least as early as RH 7.<mumble> or RH 9, which would be when I first was dealing with machines with more than one NIC. > > JohnStanley > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > > -- Robert Heller -- 978-544-6933 Deepwoods Software -- Download the Model Railroad System http://www.deepsoft.com/ -- Binaries for Linux and MS-Windows heller at deepsoft.com -- http://www.deepsoft.com/ModelRailroadSystem/