PC servers have recently been extensively introduced in business operations and are being used in mission-critical systems. A consequence of this trend is that the damage caused by an unexpected malfunction in a PC server can be serious. As work becomes more network-connected and globalized, the availability and reliability index of servers has recently begun to be used as the standard. High availability is the key point of quality in a PC server. MTBSD (meantime between system down) is more important for a high-availability system than MTBF (meantime between failures). Toshiba's {left sup}(DNCWARETM)ClusterPerfect{sub}(tm) cluster software is the best solution to achieve high availability, offering superior functions compared to other manufacturers' software.
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