HP BL2x220c Configuring the HP ProLiant Server BIOS fo Low Latency OS Kernel E
HP BL2x220c - ProLiant - G5 Server A Manual
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- HP BL2x220c | Configuring the HP ProLiant Server BIOS fo Low Latency OS Kernel E - Page 1
Configuring the HP ProLiant Server BIOS for Low Latency OS Kernel Environments White Paper Part Number 581608-001 June 2009 (First Edition) - HP BL2x220c | Configuring the HP ProLiant Server BIOS fo Low Latency OS Kernel E - Page 2
subsidiaries in the United States and other countries. 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 - HP BL2x220c | Configuring the HP ProLiant Server BIOS fo Low Latency OS Kernel E - Page 3
Using conrep to reconfigure BIOS...8 Restoring management functionality ...9 Restoring management functionality using RBSU 9 Restoring management functionality using conrep 9 Additional low latency recommendations 10 Technical support...11 Before you contact HP...11 HP contact information ...11 - HP BL2x220c | Configuring the HP ProLiant Server BIOS fo Low Latency OS Kernel E - Page 4
response in these specific environments. To improve the guaranteed system response where a low-latency OS kernel is installed, BIOS ROMs for HP ProLiant 200 Series and above G5 and G6 servers provide a means to disable some HP system management features. While these HP system management features - HP BL2x220c | Configuring the HP ProLiant Server BIOS fo Low Latency OS Kernel E - Page 5
Disabling Processor Power and Utilization Monitoring provides the greatest benefit in low latency environments. Disabling Memory Pre-Failure once per hour. Only the most latency-sensitive environments should have Memory Pre-Failure Notification disabled. Some low-latency kernels provide features - HP BL2x220c | Configuring the HP ProLiant Server BIOS fo Low Latency OS Kernel E - Page 6
Power and Utilization Monitoring or Memory Pre-Failure notification, upgrade the BIOS to the most recent version. To obtain the most recent BIOS upgrade: 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 - HP BL2x220c | Configuring the HP ProLiant Server BIOS fo Low Latency OS Kernel E - Page 7
The conrep utility, a part of SSSTK, can be used to configure Processor Power and Utilization Monitoring or Memory Pre-Failure Notification for minimum latency. This is the only method available for configuring these options on HP ProLiant G5 servers and HP ProLiant G6 servers that utilize AMD - HP BL2x220c | Configuring the HP ProLiant Server BIOS fo Low Latency OS Kernel E - Page 8
Configuring BIOS BIOS configuration methods The appropriate tools to reconfigure the BIOS in an HP ProLiant 200 Series or above G5 or G6 server depend on the server generation and on the processor. Use the following table to determine the appropriate method. Generation G5 G6 AMD™ processors - HP BL2x220c | Configuring the HP ProLiant Server BIOS fo Low Latency OS Kernel E - Page 9
management functionality To restore BIOS management functionality, see "BIOS configuration methods (on page 8)," and then select one of the following methods. Restoring management functionality using RBSU To restore Processor Power and Utilization Monitoring and Memory Pre-Failure Notification using - HP BL2x220c | Configuring the HP ProLiant Server BIOS fo Low Latency OS Kernel E - Page 10
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. Starting with HP ProLiant G6 servers that utilize Intel™ Xeon® processors, setting the HP Power Profile Option in - HP BL2x220c | Configuring the HP ProLiant Server BIOS fo Low Latency OS Kernel E - Page 11
/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 BL2x220c | Configuring the HP ProLiant Server BIOS fo Low Latency OS Kernel E - Page 12
Acronyms and abbreviations BIOS Basic Input/Output System ECC error checking and correcting iLO 2 Integrated Lights-Out 2 OS operating system POST Power-On Self Test RBSU ROM-Based Setup Utility ROM read-only memory SSSTK SmartStart Scripting Tool Kit Acronyms and abbreviations 12
Configuring the HP ProLiant Server BIOS for Low
Latency OS Kernel Environments
White Paper
Part Number 581608-001
June 2009 (First Edition)