HP DL360 System Memory Troubleshooting Best Practices for HP ProLiant Servers
HP DL360 - ProLiant - G3 Manual
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- HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 1
helps to establish this. HP has developed several methods for troubleshooting memory problems in ProLiant servers. The purpose of this white paper is to assist HP customers in troubleshooting system memory problems by successfully isolating the specific DIMMs causing the problem. This helps to - HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 2
Why Should I Troubleshoot Every Memory Problem? Accurate diagnosis of system memory problems in ProLiant servers has many advantages, including: • Prevents unnecessary hardware replacement. • Prevents the return of parts that test NFF (No Fault Found). • Prevents server downtime. Best Practice: Many - HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 3
. Therefore, further troubleshooting is necessary to determine which specific DIMM is failing. Use the LEDs as a tool in identifying that a memory problem may exist, but do not rely solely on the status of the LEDs to determine if hardware should be replaced. What Tools are Available from HP to Help - HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 4
hardware for its status every few minutes. Refer to Figure 2 below for an example of events displayed on the System page. For more information on HP SIM, refer to the following URL: http://h18013.www1.hp.com/products/servers/management/hpsim/index.html 4 - HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 5
Figure 2: HP Systems Insight Manager 5 - HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 6
memory issues. For servers running Microsoft Windows operating systems, either of the following logs can be a valuable resource: • Integrated Management Log (IML) • Event Viewer For servers from HP System Tools. Figure 3 below shows the Integrated Management Log accessed via SMH. System memory issues - HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 7
Systems: Using Event Viewer The Event Viewer is a software tool available as part of Microsoft Windows operating systems. It can be accessed by navigating to HP System Tools via the Start menu. Figure 4 shows an example of server events that are logged in this tool. Figure 4: Event Viewer (Microsoft - HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 8
slots indicate a failure. The example below is from a ProLiant DL380 G4 system board; however, similar graphics for specific systems can be found in server user guides and other system documentation. Memory Problem Indicators Example DL 380 G4 DIMM Slot LEDs on the System Board 9/5/2006 5 DIMM - HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 9
, refer to the following URL: http://h18013.www1.hp.com/products/servers/management/hpid/index.html Troubleshooting Using HP Insight Diagnostics Online Edition HP Insight Diagnostics Online edition is available in HP ProLiant Support Packs. The Insight Diagnostics Online edition performs various non - HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 10
because a very small Linux kernel is used. Helpful Links: HP Insight Diagnostics User Guide: www.hp.com/servers/diags Troubleshooting Flowcharts The following troubleshooting flowcharts can be used as another tool for diagnosing specific DIMMs that have failed. They can be used as a general - HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 11
General Troubleshooting Flowchart for a Bootable System Using HP insight Diagnostics 11 - HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 12
General Troubleshooting Flowchart for a Non-Bootable System Use this flowchart to help diagnose a memory problem in any of the following conditions: • The system stops responding and displays a "parity error" message on the screen during boot. • The system beeps and all - HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 13
hardware replacement, including issues in which memory problems are suspected, are preventable or correctable with a firmware update. HP recommends checking for a firmware update before sending a part back to HP for replacement. Based on the HP ProLiant product return rates, a significant percentage - HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 14
purchase, use the HP Support and Drivers page on HP.COM, rather than the Firmware Maintenance CD that shipped with the server. In addition, check Guide at the following URL: http://www.compaq.com/support/files/server/us/webdoc/rom/OnlineROMFlashUserGuide.pdf Smart Components for HP ProLiant servers - HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 15
is located on the Firmware Maintenance CD, or can be downloaded to a USB Drive Key using the HP Drive Key Boot Utility. Note: Hard Drive components can only be updated using the Offline method. The HP Drive Key Boot Utility The HP Drive Key Boot Utility can format an HP Drive Key so that it can - HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 16
.www1.hp.com/products/servers/technology/whitepapers/adv-technology.html#2 Other Troubleshooting Resources The HP ProLiant Troubleshooting Guide is located at the following URL and may be helpful in diagnosing memory or other system problems: http://h20000.www2.hp.com/bc/docs/support/SupportManual - HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 17
PAE Support Is Not Enabled In Microsoft Windows Server 2003: http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=PSD_EM04 0802_CW01&jumpid=reg_R1002_USEN First Edition of the HP ProLiant DL380 Generation 5 User Guide Incorrectly States that Advanced ECC Memory Single - HP DL360 | System Memory Troubleshooting Best Practices for HP ProLiant Servers - Page 18
to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors
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System Memory Troubleshooting Best Practices for HP
ProLiant Servers
Accurately troubleshooting system memory issues in ProLiant server configurations is an important process that
can help prevent unnecessary replacement of hardware components. In addition, accurate problem diagnosis
prevents customers from experiencing unnecessary downtime while waiting for hardware that may not need
to be replaced.
Following standard troubleshooting guidelines and using them each time a memory issue is
suspected helps to establish this.
HP has developed several methods for troubleshooting memory problems in ProLiant servers.
The purpose of this white paper is to assist HP customers in troubleshooting system memory problems by
successfully isolating the specific DIMMs causing the problem. This helps to prevent nonessential replacement
of unaffected DIMMs or, in some cases, entire banks of memory. In addition, effective troubleshooting can
help determine if a firmware or other software download can resolve a problem without replacing hardware.
This white paper covers the following topics:
•
Why should I troubleshoot every system memory problem?
•
How can I tell if a memory problem has occurred?
•
What tools are available from HP to help identify a failing DIMM?
•
Troubleshooting using HP Insight Diagnostics Online Edition
•
Troubleshooting using HP Insight Diagnostics Offline Edition
•
Troubleshooting flowchart for bootable systems
•
Troubleshooting flowchart for non-bootable systems
•
What role does firmware play in solving system memory problems?
•
Why Buy HP Memory?
•
Other troubleshooting resources