Blade servers are a great solution for systems that must be scalable and reliable, while also providing maximum flexibility and availability to the user. Every IBM LS21 blade is an independent server with its own processors, memory, storage, network controllers, operating systems and applications, and is compatible with the company’s entire family of BladeCenter chassis. Blade systems are easier to manage, use less power, produce less heat and last longer than non-blade server systems, according to the manufacture. The two-socket LS21 features up to two dual-core AMD Opteron 2.60GHz processors in an ultra-slim design that allows up to 14 blades per BladeCenter chassis, and up to 84 servers in an industry standard rack. Light path diagnostic LEDs mounted to the front of each blade provide a visual reference for quick troubleshooting. Calibrated Vector Cooling ensures efficient airflow through open-air inlets to cool critical components. The blade’s eight DIMM slots can hold up to 32GB of low-profile DDR2 memory. There also is room for one hot-swappable SAS drive, available in 36.4GB or 73.4GB capacities. A PCI Express expansion slot enables up to 10Gb/s high-speed connectivity within the BladeCenter’s chassis, and two midplane connectors offer high-availability connectivity to tall chassis resources.
IBM Corp., Armonk, N.Y.
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