Http://www-128.ibm.com/developerWorks/cn/linux/cluster/hpc/part1/
Http://www-128.ibm.com/developerWorks/cn/linux/cluster/hpc/part2/
http://www-128.ibm.com/developerWorks/cn/linux/cluster/hpc/part3/
Http://www-128.ibm.com/developerWorks/cn/linux/cluster/hpc/part4/
Http://www-128.ibm.com/developerWorks/cn/linux/cluster/hpc/part5/