On Nov 29, 2009, at 3:27 AM, Rob Townley <rob.townley at gmail.com> wrote: > On Sat, Nov 28, 2009 at 2:55 PM, Ross Walker <rswwalker at gmail.com> > wrote: >> >> There was a kernel update maybe the move from C4 to C5 which caused >> grief with Dell hardware, where it reversed the order Broadcom >> devices >> are detected, still does and needs manual swapping around after >> install. >> > > NIC ordering is a problem. Some say it is the multi cpu, some say bad > BIOS, some say MAC address ordering is better, some say PCI bus > enumeration is better. The netdev mailing list has had a long running > discussion on this issue. The CTO of Dell and members of HP along > with others are / were active participants. Part of the problem is > that an alias name may not be available to the kernel. > > Dell has their own software to bring determinism to NIC ordering. > http://linux.dell.com/papers.shtml > > One of Dell's programmers has proposed changing Anaconda to let you > choose at installation time the NIC naming convention: > > We have been having discussions in the netdev list about creating > multiple names for the network interfaces to bring determinism into > the way network interfaces are named in the OSes. In specific, "eth0 > in the OS does not always map to the integrated NIC Gb1 as labelled on > the chassis". > > http://marc.info/?l=linux-netdev&m=125510301513312&w=2 - (Re: PATCH: > Network Device Naming mechanism and policy) > http://marc.info/?l=linux-netdev&m=125619338904322&w=2 - ([PATCH] > udev: create empty regular files to represent net) It's good to hear it's being worked on, but I kinda wish they would revert to the older NIC enumeration method which seemed to get the ordering right. -Ross -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20091129/f33fd261/attachment-0005.html>