IBM Power Systems 9008-22L Manual

Also see for 9008-22L: Site and Hardware Planning Manual Manual Manual Manual

Contents

When you are removing a part, first verify whether you are working on the correct part by using theidentify function in the management console or other user interface. When you remove a part by usingthe Hardware Management Console (HMC), the identify function is activated and deactivatedautomatically at the correct times.The identify function causes the amber LED to flash. When you turn off the identify function, the LEDreturns to the state it was previously. For parts that have a blue service button, the identify function setsLED information for the service button so that when the button is pressed, the correct LEDs on that partflash.Note: Use the enclosure blue Identify LED to identify the enclosure that is being serviced. Then, confirmand verify the location of the FRU (to be serviced) in the enclosure by checking the active identifyindicator (flashing LED) for the selected FRU. For some FRUs, you might need to remove the serviceaccess cover to be able to see the identify indicators.Identifying a part in an AIX system or logical partitionUse these instructions to learn how to locate a part, activate the indicator light for the part, anddeactivate the indicator light for the part on a system or logical partition running the AIX® operatingsystem.Finding the location code for a part in an AIX system or logical partition:You might need to use one ore more AIX tools before activating the indicator light to locate a part.Procedure1. Log in as root user or celogin-.2. At the command line, type diag and press Enter.3. From the Function Selection menu, select Task Selection and press Enter.4. Select Display Previous Diagnostic Results and press Enter.5. From the Display Previous Diagnostic Results display, select Display Diagnostic Log Summary. TheDisplay Diagnostic Log display shows a chronological list of events.6. Look in the T column for the most recent S entry. Select this row in the table and press Enter.7. Select Commit. The details of this log entry are shown.8. Record the location information and the service request number (SRN) value that is shown near theend of the entry.9. Exit to the command line.What to do nextUse the location information for the part to activate the indicator light that identifies the part. See“Activating the indicator light for a part by using AIX diagnostics.”Activating the indicator light for a part by using AIX diagnostics:Use these instructions to help physically identify the location of a part you are servicing.Procedure1. Log in as root user.2. At the command line, type diag and press Enter.3. From the Function Selection menu, select Task Selection and press Enter.4. From the Task Selection menu, select Identify and Attention Indicators and press Enter.5. From the list of lights, select the location code for the part and press Enter.Common procedures for removing or replacing the system processor module 29