On 5/10/12 5:19 PM, Christian Caruthers wrote:
You might be running into an issue where the 10Gb interface simply isn't up or the driver isn't loaded when updateflag tries to run. I haven't used 10Gb interfaces as a primary interface before, but perhaps it's necessary to make sure the module(s) is/are included in the initrd? I'm guessing RHEL5 doesn't have this problem? Is there anything in the RHEL5 templates or xCAT tables spelling out initrd modules to be included?They work well enough in RHEL5, without any customization of the templates. We have a post-install script that would install the Mellanox drivers, but on RHEL5 since the network is already up the script is able to retrieve the tarball from our server and build/replace them. So my guess is that there is a driver in the RHEL5 initrd that's not in the RHEL6 one...
I was able to modify our Mellanox install script so that it does it as part of the postscripts section rather than the postbootscripts section since the network is still active during the first one. The only trick was to force the network to reactivate (the Mellanox install leaves all the interfaces down when it completes) so that xCAT could report back to the server that the kickstart completed. Before I did that the server would get stuck in an endless kickstart/reboot cycle since xCAT never got word to update the boot chain. I figured this approach would be a little easier than trying to build a custom initrd & maintain it as new kernel updates are released.
-Bruce
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