HP 2064-M ClusterPack V2.4 Tutorial - Page 12
Compute Nodes, Interconnection Networks
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of Gigabit Ethernet or Infiniband. The common components of a cluster are: z Head Node - provides user access to the cluster. In smaller clusters, the Head Node may also serve as a Management Server. z Management Server - server that provides single point of management for all system components in the cluster z Management LAN/switch - usually an Ethernet network used to monitor and control all the major system components. May also handle traffic to the file server. z Interconnect switch - provides high speed connectivity between Compute Nodes. Used for message passing and remote memory access capabilities for parallel applications. z Storage - includes both local disk space on each Compute Node and optionally an independent storage unit accessible to the Compute Nodes (See NAS below). z Cluster management software - ClusterPack for system administrators and end-users. z Management Processor (MP) - controls the system console, reset and power management functions of a server. z Console LAN - network for remote management of consoles (ex. using the Management Processor LAN). z Network Attached Storage (NAS) - attach directly to Ethernet networks, providing easy installation, low maintenance, and high uptime. Compute Nodes Compute Nodes in a cluster are normal compute servers that provide system computing resource and storage capability. A ClusterPack cluster is built with HP Integrity servers: 2way or 4-way server platforms based on Intel Itanium 2-based processors and HP's zx1 chipset technologies. The HP Integrity rx2600 server, powered by Intel Itanium 2-based processors, is the industry's first dual-processor Itanium 2-based server. The rx2600 dramatically improves price/performance for technical applications and gives customers a cost-effective yet powerful entry into a technology with tremendous growth potential. Its 2U rack density is ideal for clustering solutions. HP's extensive Itanium 2-based systems experience and co-developer insights have resulted in premium performance through the development of the HP Scalable Processor Chipset zx1. Invented by HP, the HP zx1 chipset fully unleashes the power of Intel Itanium 2-based processors by lowering memory latencies and increasing memory and I/O subsystem scalability. With the HP zx1 chipset, HP Integrity servers and Itanium 2-based servers achieve even better performance and memory expandability. Interconnection Networks An ClusterPack cluster is built with the industry standard Gigabit Ethernet. This interconnect network is capable of transferring data packets between Compute Nodes for both file serving and inter-node communication for applications. When applications benefit from lower latency, HP's Infiniband can be configured into the cluster to provide lower