HP Integrity rx2800 rx2800 i2 User Service Guide - Page 70
Recommended troubleshooting methodology, Ctrl-B, Keyword, Action
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Should a failure occur, the System Insight Display LEDs and the system event log (SEL) help you identify the problem or CRU: • LEDs. The front panel LEDs and LAN LEDs of the server change color and blink to help identify specific problems. • The System Event Log ( SEL) provides detailed information about the errors identified by the LEDs. For system alerts of levels 3-5, the attention condition on the system LED can be cleared by accessing the logs using the sl command, available in the iLO 3 MP Main Menu. To access the iLO 3 MP from the console serial port, enter Ctrl-B or ESC(. If the LEDs and SEL do not give you enough information to identify the problem, HP also provides diagnostic tools with each operating system (see "Troubleshooting tools" (page 75) for more details). NOTE: Always check the iLO 3 MP system event logs (SEL) in the case of a blinking yellow or red front panel LED, before replacing any hardware. The default display mode is Keyword mode. To view the error messages more easily, change to Text mode. Recommended troubleshooting methodology The recommended methodology for troubleshooting a server error or fault is as follows: 1. Consult the system console for any messages, emails, etc., pertaining to a server error or fault. 2. View the front panel LEDs (power, external health, internal health, and system health), either locally, or remotely through the iLO 3 MP vfp command. 3. Compare the state of the server LEDs (off; flashing or steady; red, green, or amber) with the LED states listed in the LED Panel State Table in this section. 4. Go to the step number of the Basic Low End Troubleshooting Table, as specified in the right column of the LED Panel State Table, located in the row which corresponds to your front panel LED display state. 5. Read the symptom/condition information in the left column of the Basic Low End Troubleshooting Table. 6. Perform the actions specified in the Action column. 7. If you need more details, see the appropriate subsection of this chapter, where this information is provided in the Action column. The action you are directed to perform may be to access and read one or more error logs (System Event Log and/or Forward Progress Log). While we do suggest that all users follow the recommended troubleshooting methodology, and use the Basic and Advanced Troubleshooting Tables in the next subsection, as a more experienced troubleshooter you may elect to go directly to the subsection of this chapter (or section of this manual) which corresponds to your own entry point of choice. Table 24 table provides the corresponding subsection or location title for these different entry points (for example, if you would prefer to start by examining the logs, you can go directly to the subsection entitled "Errors and reading error logs" (page 80)): Table 24 Troubleshooting entry points Entry point Subsection or location Front panel/System Insight Display LEDs "Basic and advanced troubleshooting tables" (page 71) and "Troubleshooting tools" (page 75) System Event Log and Forward Progress Logs "Errors and reading error logs" (page 80) 70 Troubleshooting