A6826A - PCI-X Dual Channel 2Gb/s Fibre Channel Adapter Performance Paper for Integrity Servers

ManualsBrandsHP ManualsComputer AccessoriesHP 2GB 2-port PCI-X Fibre Channel Host Bus Adapter

A6826A – PCI-X Dual Channel 2Gb/s Fibre Channel Adapter

Table of contents

Introduction...............................................................................................................................................2

Executive summary.....................................................................................................................................2

Test results ................................................................................................................................................3

IOPs .....................................................................................................................................................3

Service demand.....................................................................................................................................3

Throughput............................................................................................................................................4

Scalability .............................................................................................................................................5

System configuration guidelines...................................................................................................................7

Test details................................................................................................................................................8

Additional information................................................................................................................................9

Performance Paper for Integrity Servers

Summary of content (9 pages)

PAGE 1
A6826A – PCI-X Dual Channel 2Gb/s Fibre Channel Adapter Performance Paper for Integrity Servers Table of contents Introduction...............................................................................................................................................2 Executive summary.....................................................................................................................................2 Test results ...........................................................................
PAGE 2
Introduction This paper provides basic I/O performance and scalability information for the A6826A dual-channel 2Gb Fibre Channel adapter on HP’s Itanium-based Integrity servers. A series of tests were conducted to evaluate the adapter’s performance on rx2600, rx4640, rx7620, rx8620 and HP Integrity Superdome servers. The tests measured the IOPs and throughput of single and multiple adapters.
PAGE 3
Test results HP obtained the performance data presented in this paper using the diskbench (db) benchmarking utility. Various block size tests were executed for read and write on single and dual ports. The IOPs metric was obtained with 1 KB block size transfers. The throughput metric was obtained with 128 KB block size transfers. The throughput metric is useful in modeling large sequential transfers, for example, remote backup. The IOPs metric is useful in modeling small transactional traffic.
PAGE 4
of Ports Tput1 135 272 Single Dual 4KB CPU2 39% 72% SD3 2.8 2.6 Tput1 189 379 8KB CPU2 30% 55% NOTE: 1 Throughput in MB/s 2 Single CPU utilization numbers 3 Service Demand in microseconds calculated using SD3 1.5 1.4 Tput1 79 157 4KB CPU2 26% 45% SD3 3.2 2.8 Tput1 111 223 8KB CPU2 21% 36% SD3 1.8 1.
PAGE 5
Scalability A series of tests were conducted to evaluate the performance scalability of the A6826A adapter on rx2600, rx4640, rx7620, rx8620 and HP Integrity Superdome servers.
PAGE 6
Chart 3b: 128 KB Sequential Write Throughput 1600 1400 Throughput (MB/s) 1200 1000 800 600 400 200 0 1 2 3 4 5 6 7 8 rx2600 186 372 557 739 928 1111 1295 1480 rx4640 188 376 564 752 938 1124 1307 1486 rx7620 186 372 558 742 921 1103 1287 1468 rx8620 186 372 558 722 908 1094 1278 1461 Integrity-SD 188 375 560 751 938 1126 1313 1496 Number of Ports rx2600 with two 900MHz Itanium 2 processors and 8GB Physical memory rx4640 with four 1.
PAGE 7
System configuration guidelines NOTE: Some PCI-X 133 MHZ slots on Integrity Servers have higher bandwidth than other PCI-X 133 MHZ slots on the server. In this whitepaper, we will refer to these higher bandwidth PCI-X 133 MHZ slots as high performance PCI-X 133 MHZ slots. rx2600 The rx2600 is a 2-way entry-level Integrity server with 4 PCI-X 133MHz slots. A6826A adapters installed in an rx2600 server offer a great scalable solution.
PAGE 8
Test details The performance results presented in this paper were obtained with A6826A adapters installed in various HP Integrity servers. The system configurations used in the test setup are detailed in the following table: Products used in testing products used for performance measurement test rx2600 • • • Configured with ¾ Two 900MHz Intel Itanium 2 Processors ¾ 4GB System Memory HP-UX 11i v2 OS A6826A Fibre Channel driver (Ver. B.11.23.01) rx4640 • Configured with ¾ Four 1.
PAGE 9
Additional information For more information about the A6826A adapter please visit: http://www.hp.com/products1/serverconnectivity/storagesnf2/index.html. For more information about HP’s Itanium-based Integrity servers please visit: http://www.hp.com/products1/servers/integrity/index.html © 2005 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.