Self-build PC-Cluster system to realize operational running of fine resolution numerical model

PC-Cluster system had become the prevailing technique of current high performance computer with its higher price performance ratio.The methods of building hardware system of PC-Cluster with general PC and other equipments and installing software system of PC-Cluster with completely free or open source software were introduced.And debugging and running techniques of parallel model in the PC-Cluster system were summarized by giving the example of MM5 in detail.The performance of self-build PC-Cluster system was analyzed.The PC-Cluster system was a good solution to common customer who demanded high performance computing,and it was significant to improve numerical forecasting operation and research level of our country.