HP 124708-001 - ProLiant Cluster - 1850 Troubleshooting Manual

Also see for 226824-001 - ProLiant - ML750: Update Frequently asked questions Reference guide Implementation guide Technical white paper

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System Memory Troubleshooting Best Practices for HPProLiant ServersAccurately troubleshooting system memory issues in ProLiant server configurations is an important process thatcan help prevent unnecessary replacement of hardware components. In addition, accurate problem diagnosisprevents customers from experiencing unnecessary downtime while waiting for hardware that may not needto be replaced. Following standard troubleshooting guidelines and using them each time a memory issue issuspected 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 bysuccessfully isolating the specific DIMMs causing the problem. This helps to prevent nonessential replacementof unaffected DIMMs or, in some cases, entire banks of memory. In addition, effective troubleshooting canhelp 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