•Cumulative STREAMS patch PHNE_33313 or a superseding patch. This enables the STREAMS enhancements already in the TOUR 3.0 bundle for 11i v1. You can download this patch from the HP Information Technology Resource Center (HP ITRC) Web site at:

http://www2.itrc.hp.com/service/patch/mainPage.do

•If you have the HP IP Filter product installed on your system, upgrade to the latest version. You can download the latest version for free at:

http://software.hp.com

•IETHER driver patch PHNE_31153 or a superseding patch for the HP A7012A, PCI-X 2-port 1000Base-T Gigabit Ethernet adapter. You can download this patch from the HP Information Technology Resource Center (HP ITRC) Web site at:

http://www2.itrc.hp.com/service/patch/mainPage.do

•Interrupt Migration enhancement release for HP-UX 11i v1. You can download this patch bundle for free at:

http://software.hp.com

After you install this patch bundle, use the intctl command to change the default interrupt configuration on the server. See intctl(1M) for more information.

Benchmark Components

This section describes the hardware and software used to achieve the performance data.

Server (System Under Test)

The test was conducted on an HP Integrity rx8620 server with sixteen 1.5 GHz Intel® Itanium® 2 processors with 6 MB L3 unified cache, 32 GB (gigabytes) of memory with 2 internal I/O bays. The server ran HP-UX 11i v2 May 2005 Operating Environment Upgrade release (OEUR) and the performance and scalability enhancements to the networking stack listed in “Configuration ” (page 9).

HP APA Software

The HP APA aggregates on the server were the default manual mode aggregates using the default MAC address-based load balancing algorithm.

Benchmark Components 11