Display Microcode LevelThis task is used to display the microcode or firmware levels of currently installed resources. When thesys0 resource is selected, the task displays the levels of both the system firmware and service processorfirmware. sys0 may not be available in all cases.You can display the current level of the microcode on an adapter, the system, or a device by using the AIXdiag command. See the following command syntax: diag -c -d device -T "disp_mcode"Flag Description-c No console mode.-d Used to specify a device.-T Use the disp_mcode option to display microcode.The AIX lsmcode command serves as a command line interface to the Display Microcode Level task. Forinformation on the lsmcode command, refer to the AIX Commands Reference manual.Display MultiPath I/O (MPIO) Device ConfigurationThis service aid displays the status of MPIO devices and their connections to their parent devices.This service aid is capable of sending SCSI commands on each available path regardless of the defaultMPIO path algorithm. Therefore, it is useful for testing the unused path for integrity.Run this service aid if it is suspected that there is a problem with the path between MPIO devices andtheir parent devices.This service aid is capable of:v Listing MPIO devicesv Listing the parents of MPIO devicesv Displaying the status and location of specified MPIO devicesv Displaying the hierarchy of MPIO adapters and devices.If there are no devices with multiple paths, this service aid will not be shown on the “Task Selection” menu.Access this service aid directly from the AIX command line, by typing:/usr/lpp/diagnostics/bin/umpioDisplay or Change BootlistThis service aid allows the bootlist to be displayed, altered, or erased.The system attempts to perform an IPL from the first device in the list. If the device is not a valid IPLdevice or if the IPL fails, the system proceeds in turn to the other devices in the list to attempt an IPL.Display or Change Diagnostic Run-Time OptionsThe Display or Change Diagnostic Run-Time Options task allows the diagnostic run-time options to be set.Note: The run-time options are used only when selecting the Run Diagnostic task.The run-time options are:v Display Diagnostic Mode Selection MenusChapter 7. Introducing Tasks and Service Aids 103
