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Access "Road testing fast HBAs "

Published: 16 Oct 2012

There's a lot of reasons for storage managers to get excited about the improvements that the PCI-X bus can bring to storage area networks (SANs) by enabling faster host bus adapters (HBAs). We tested three PCI-X dual-channel, 2Gb HBAs to inspect their performance, management characteristics and understand how the HBAs would react when bus conditions weren't optimal. Our results show that your choice of board and the way you configure the server it goes into will both have a significant impact on your results. Lab Notes The Linux version of Iometer works well, but we were unable to get normalized results, and can only speculate as to why this may be the case. The current open source version of Iometer is not yet at a release stage. We could only verify that the drives could be mounted under Linux, and that drives would support .ext3 and Reiser filing systems. Windows 2000 Update service didn't contain drivers for any of the HBAs. The Windows 2000 source disk contains drivers that are as much as three years old, and therefore Windows 2000 Server installation ... Access >>>

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