3. I had this weird problem, when I setup the cluster, all clients network booted and pulled image off the head node fine, and then booted off the hard disk fine, then I made some changes (add and configured NIS and autofs, disable the iptables/pfilter), then rebooted, this time the network was gone, it couldn't find eth0 interface, ifconfig only showed loopback interface, then I found out there was no /etc/module.conf file, so the 3c59x module was not loaded, is this strange, or just me?
This can happen if your eth0 driver isn't included in the Oscar distribution and you had to do a specialized installation. The specific line you want in the module.conf file is 'alias eth0 3c59x'. I think there are two options: (1) login to the console on each node, create module.conf (for future reboots), and then do 'insmod 3c59x' to bring up the network now. If that doesn't work, you may have to restart the network service; or (2) create module.conf in the oscar image override directory, and reinstall oscar, starting with the client detection step.
I think 3c59x should be included in the distribution.
4. On all of my clients, the "xfs" process taking 100% CPU time, anyone has any idea? I am looking into it now.
We noticed that also. You can disable it
Thanks, I disabled it too. The problem seems related to the font path specified in "/etc/X11/fs/config", if you comment out all "catalogue" lines, restart xfs, then everything is fine. But anyway, we don't need xfs run on cluster nodes.
Jay
=========================================== Yu Chen Howard Hughes Medical Institute Chemistry Building, Rm 182 University of Maryland at Baltimore County 1000 Hilltop Circle Baltimore, MD 21250
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