11. Select Manual mode and perform an IPL to DST (see “Dedicated Service Tools
(DST)” in the iSeries Service Functions information).
Does the Disk Configuration Error Report or the Disk Configuration Warning
Report display appear?
Yes No
↓ The IPL completed successfully.
This ends the procedure.
12. 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
Yes No
↓ Go to step 18 of this procedure.
13. Select option 5. Do the missing units have device parity protected status?
(Device parity protection status is indicated by ″DPY/″ as the first four
characters of the status.)
Yes No
↓ Go to step 15 of this procedure.
14. Is the status DPY/Active?
Yes No
↓ Use the Service Action Log to determine if there are any entries for
the missing disk units or the IOA/IOP controlling them. (see “Using
the Service Action Log” on page 9).
This ends the procedure.
15. Press F11, then press the Enter key to display the details.
Do all of the disk units listed on the display have a reference code of 0000?
Yes No
↓ Use the disk unit reference code shown on the display and go to the
SRC information for the specific disk unit in “Chapter 2. Unit
Reference Codes” on page 59. Perform the action indicated for the unit
reference code.
This ends the procedure.
16. Do all of the IOPs or devices listed on the display have a reference code of
0000?
No Yes
↓ Go to step 22 of this procedure.
17. Use the IOP reference code shown on the display and go to “Chapter 2. Unit
Reference Codes” on page 59. Perform the action indicated for the reference
code.
This ends the procedure.
18. Does the following message appear in the list?
v Unknown load-source status
Yes No
↓ Go to step 20 of this procedure.
19. Select option 5 then press F11, then press the Enter key to display the details.
LIC PIPs
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation 353
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