HP ProLiant BL495c Configuring the HP ProLiant Server BIOS for Low-Latency App
HP ProLiant BL495c - G5 Server Manual
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- HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 1
Configuring the HP ProLiant Server BIOS for LowLatency Applications White Paper Part Number 581608-002 February 2010 (Second Edition) - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 2
trademark of Microsoft Corporation. Intended audience This document is for the person who installs, administers, and troubleshoots servers and storage systems. HP assumes you are qualified in the servicing of computer equipment and trained in recognizing hazards in products with hazardous energy - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 3
Hat Enterprise MRG ...5 SUSE Linux Enterprise Real Time Extension ...5 HP support for real-time operating systems ...5 Configuring BIOS ...6 System requirements ...6 BIOS tuning recommendations for optimum performance 6 BIOS low-latency settings ...7 Upgrading BIOS ...7 Obtaining SSSTK ...8 BIOS - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 4
to obtain the best performance from HP ProLiant BL c-Class server blades and HP ProLiant DL, ML, and SL servers in the financial service market. IMPORTANT: The configuration changes described in this document apply only to systems with a low-latency OS kernel installed. Overall system throughput is - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 5
enhanced version of SUSE Linux Enterprise Server that provides reduced latency and predictable performance in critical, time-sensitive applications. For more information about SLERT, see the SLERT website (http://www.novell.com/products/realtime/). HP support for real-time operating systems Tuning - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 6
BIOS latency. All HP ProLiant G6 and later servers, regardless of the ROM version, support setting Intel® Turbo Boost and C-States. HP ProLiant 100 Series and HP ProLiant SL servers do not support advanced features for iLO Performance Monitoring and Memory Pre-Failure notification. Configuring - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 7
Processor Power and Utilization Monitoring or Memory Pre-Failure notification, upgrade the BIOS to the most recent version. IMPORTANT: Before upgrading the BIOS in HP ProLiant G1 through G5 server blades with InfiniBand mezzanine cards installed, upgrade the InfiniBand mezzanine card firmware. To - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 8
options on HP ProLiant G5 servers and HP ProLiant G6 servers that utilize AMD Opteron™ processors. The utility is one method available for configuring HP ProLiant G6 servers that utilize Intel® Xeon® processors. To install the SSSTK: 1. Go to the HP website (http://www.hp.com/go/support). 2. Enter - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 9
Smart Array, and iLO settings, and then install the operating system. Where the option to use if only a few servers are being configured. When deploying servers in a low-latency Service Options. 4. Disable either or both of the following options: o Processor Power and Utilization Monitoring o Memory - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 10
POST to enter RBSU. 2. Press CTRL-A to open the menu. 3. Select Service Options. 4. Enable either or both of the following options: o Processor Power and Utilization Monitoring o Memory Pre-Failure Notification Restoring management functionality using conrep To restore management functionality using - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 11
of the mode set in BIOS. Memory Pre-Failure Warranty Support also becomes unavailable because there is no notification of errors exceeding the programmed threshold. Q. How does disabling iLO 2 Processor State Monitoring in the HP ProLiant cClass enclosure affect power management? A. Disabling state - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 12
can the actual memory operating speed be confirmed? A. Memory operating speed can be confirmed using memory benchmarking tests. On HP ProLiant servers utilizing Intel® Xeon® processors, RBSU can configure the memory operating speed. Q. Why don't all the server blades boot when power is first applied - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 13
/us/en/wwcontact.html). For HP technical support: • In the United States, for contact options see the Contact HP United States webpage (http://welcome.hp.com/country/us/en/contact_us.html). To contact HP by phone: o Call 1-800-HP-INVENT (1-800-474-6836). This service is available 24 hours a day - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 14
Acronyms and abbreviations Red Hat Enterprise MRG iLO 2 Integrated Lights-Out 2 OA Onboard Administrator POST Power-On Self Test RBSU ROM-Based Setup Utility RDMA Remote Direct Memory Access SLERT SUSE Linux Enterprise Real Time Extension SMI System Management Interrupt SSSTK SmartStart Scripting
Configuring the HP ProLiant Server BIOS for Low-
Latency Applications
White Paper
Part Number 581608-002
February 2010 (Second Edition)