HP ProLiant BL495c Configuring the HP ProLiant Server BIOS for Low-Latency App
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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
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 levels. - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 3
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 configuration methods ...8 Using RBSU - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 4
presents suggestions and best practice recommendations on BIOS configuration, and on OS selection and tuning 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 - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 5
://www.novell.com/products/realtime/). HP support for real-time operating systems Tuning the operating system is critical and is dependent on application characteristics. HP works with realtime operating system vendors to ensure compatibility with HP servers and server blades. For more information - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 6
the following: o C1E Support o AMD C1 Halt Support o Any other C-State modes, such as C3 or C6, that are enabled by the BIOS • On HP ProLiant G6 servers utilizing Intel® Xeon® processors, disable QPI Power Management. • Disable Intel® Turbo Boost on HP ProLiant G6 servers and server blades based on - 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 - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 8
. To obtain the most recent BIOS upgrade for HP ProLiant servers: 1. Go to the HP website (http://www.hp.com/go/support). 2. Select Download drivers and software (and firmware). 3. Enter the server model number and then click >>. 4. Select the appropriate product link. 5. Select an operating system - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 9
up the toolkit if only a few servers are being configured. When deploying servers in a low-latency environment, an Service Options. 4. Disable either or both of the following options: o Processor Power and Utilization Monitoring o Memory Pre-Failure Notification Using conrep to reconfigure BIOS - 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 - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 12
Q. How 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 - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 13
to have the following information available before you call HP: • Technical support registration number (if applicable) • Product serial number • Product model name and number • Product identification number • Applicable error messages • Add-on boards or hardware • Third-party hardware or software - HP ProLiant BL495c | Configuring the HP ProLiant Server BIOS for Low-Latency App - Page 14
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 Tool Kit Acronyms and abbreviations 14
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Configuring the HP ProLiant Server BIOS for Low-
Latency Applications
White Paper
Part Number 581608-002
February 2010 (Second Edition)