IBM iSeries Series Hardware Problem Analysis And Isolation page 137

Are the problem disk units 432x, 660x or 671x disk units?
v No: Continue with the next step.
v Yes: Go to step 5 (See page 125).
4. Attempt to get all devices attached to the MSIOP to Ready status by performing the following:
a. The MSIOP address (MSIOP Direct Select Address) to use is characters 1-8 of the bottom 16
character line of function 12 (word 4).
b. Verify the following and correct if necessary before continuing with step 10 (See page 125).
v All cable connections are made correctly and are tight.
v All storage devices have the correct signal bus address, as indicated in the system
configuration list.
v All storage devices are powered on and ready.
5. Did you enter this procedure because there was an entry in the Service Action Log which has the
reference code B6005090?
v Yes: Continue with the next step.
v No: Go to step 10 (See page 125).
6. Are customer jobs running on the system now?
v Yes: Continue with the next step.
v No: Attention: Ensure that the customer is not running any jobs before continuing with this
procedure. Then, go to step 10 (See page 125).
7. Select System Service Tools (SST)—>Work with disk units—>Display disk
configuration—>Display disk configuration status.
Are any disk units missing from the configuration (indicated by an asterisk *)?
v Yes: Continue with the next step.
v No: This ends the procedure.
8. Do all of the disk units that are missing from the configuration have a status of "Suspended"?
v Yes: Continue with the next step.
v No: Attention: Ensure that the customer is not running any jobs before continuing with this
procedure. Go to step 10 (See page 125).
9. Use the Service Action Log to determine if there are any entries for the missing disk units (see "Use
the service action log" on page 7).
Are there any entries in the Service Action Log for the missing disk units that were logged since the
last IPL?
v Yes: Use the information in the Service Action Log, and go to the SRC information for the specific
disk unit in System Reference Codes. Perform the action indicated for the unit reference code.
This ends the procedure.
v No: Go to step 20 (See page 126).
10. Select Manual mode and perform an IPL to DST (see Performing an IPL to DST in the iSeries
Service Functions
Does the Disk Configuration Error Report, the Disk Configuration Attention Report, or the Disk
Configuration Warning Report display appear?
v Yes: Continue with the next step.
v No: The IPL completed successfully.
This ends the procedure.
11. Does one of the following messages appear in the list?
v Missing disk units in the configuration
v Missing mirror protected disk units in the configuration
v Yes: Continue with the next step.
information).
(TM)
Analyze hardware problems
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