Essay: Microprocessor Excellence of System i55

Essay: Microprocessor Excellence of System i55
12/04/2011 Comments Off on Essay: Microprocessor Excellence of System i55 Academic Papers on Information Technology,Sample Academic Papers admin

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The System i55 series combines the positive features of many of its predecessor. It uses on-chip copper wiring technology which permits thinner wires to be used and enables the transistors to be packed looked together. It also allows space to accommodate additional micro-architecture methods for improving performance. The POWER5 processor used in System i55 server is fabricated using the CMOS9S technology which not only improved the processor density but also allows for larger caches, on-chip cache controllers, and memory controllers, resulting in much higher performance than its predecessor. This growth and implementation of new technology in System i55 servers are made possible by IBM by using TIMI layer. TIMI allows the system to incorporate new hardware technologies transparently. The ease with which the clients have migrated to System i55 servers bears testimony to their powerful architecture; hence it is rightly considered to be the micro processing excellence (Bresenham, McClymont, Powers, Reinhardt, & Watson, 2006).

Integration with Microsoft Windows

The System i55 Servers have the ability to manage Intel-based Windows servers via the Integrated xSeries Servers on the Integrated x Series Adapter. These systems can support up to 60 Integrated xSeries Servers. They also support the attachment of external 1-way to 8-way IBM @server xSeries servers via the high-speed link. Using the Integrated xSeries Adapter, selected xSeries servers running a Windows Server can extend Windows application scalability while retaining the same storage consolidation and system management advantages of the Integrated xSeries Server has on the System i55. The virtual storage management feature also enables the administrator to dynamically add storage to a running Windows Server.

Cross-Site Mirroring

Cross-site mirroring (XSM) also called geographical mirroring, enables the mirroring of data on disks at sites which can be separated by a significant geographical distance. This technology can be used to extend the functionality of a device cluster resource group (CRG) beyond the limits of a physical component connection.

Cross-site mirroring provides the ability for the replication of changes made to the production copy on an independent disk pool to the mirror copy of that disk pool. As the data is being written to the production copy, the operating system mirrors that data to its second copy on another system. Due to this, the multiple copies of data remain identical so that if a failover or switchover occurs through the device CDR, the backup node can seamlessly take the role of primary. When a primary server outage occurs and a failover or switchover is initiated, the node designated as the backup node in the recovery domain becomes the primary access point for the resource and then owns the production copy of the independent disk pool. In this way, protection from a single point of failure is achieved (Bresenham, McClymont, Powers, Reinhardt, & Watson, 2006).

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