Emulex LPe12002 8Gb/s PCIe 2.0 Fibre Channel HBAs Superior Dual-Channel Performance for Business Critical Applications - Sponsored Whitepaper

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Emulex LPe12002 8Gb/s PCIe 2.0 Fibre Channel HBAs Superior Dual-channel Performance for Business-critical Applications

At a Glance Emulex 8Gb/s dual-channel Host Bus Adapters (HBAs) boast better throughput, 37% better transaction rates, 33% more effective central processing unit (CPU) utilization and 127% greater second-channel I/O transaction performance versus the competition. This paper describes the data characteristics associated with business- critical applications and the advantages of Emulex LightPulse® dual-channel 8Gb/s Fibre Channel HBAs for those applications.

Applications n Online transaction processing, database and backup environments

Introduction When a territory manager runs a query on today’s sales or a factory manager plans tomorrow’s production flow, they expect an instantaneous response from their information systems. When a CEO reviews his or her IT spending for the year, he or she wants to see lower capital and operating costs (CapEx and OpEx), improved utilization and a more agile, consolidated IT infrastructure. For all these reasons, every component in the modern data center must work at full capacity, all the time. Today’s enterprise cannot afford down time or products that deliver anything but the highest performance in real business conditions. Among the applications that have the highest need for data throughput are online transaction processing, database applications and server virtualization. Server virtualization in particular greatly reduces IT CapEx and data center space requirements. The Fibre Channel HBA that links servers to storage networks is a critical link in the flow of data. Determining which HBAs deliver this performance is critical, especially in a world of high-density blade servers and virtualized server deployments. To most accurately evaluate HBA performance, it is important to understand the actual workloads the HBA will handle, as well as those elements of HBA design that determine its real-world performance.

Dual-channel Popularity Dual-channel Fibre Channel HBAs are increasingly popular, representing nearly 50% of the market for Fibre Channel connectivity. Drivers of dual- channel adoption include increased performance of the PCI Express I/O bus, applications that either require or facilitate multiple ports and the fact that I/O slots are limited. I/O buses are getting faster and PCI Express bus performance can drive I/O activity to meet the capacity of two Fibre Channel ports. Customers are leveraging multipathing I/O software, creating one or more physical paths between the system and storage. When using dual Fibre Channel ports with multipathing software, should one path fail, the software can transparently reroute I/O through the second port. Multipathing software layers can leverage the redundant paths to increase performance and availability for VMware, Oracle and disaster recovery applications. With application requirements for multiple Fibre Channel ports and PCI slots at a premium, especially in blade servers, data centers are choosing to deploy dual-channel HBAs. Many of today’s business-critical enterprise applications demand the performance that can only be provided by the latest 8Gb/s dual-channel Fibre Channel HBA technology.
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