Are there any entries in the Service Action Log other than B6xx 5094 for the
missing disk units or the IOA or IOP that is controlling them?
No Yes
↓ Use the information in the Service Action Log to solve the problem. See
“Using the Service Action Log” on page 9.
This ends the procedure.
6. Did you enter this procedure because there was a B6xx 5094 cause code of
0030?
No Yes
↓ Work with the customer to recover the unknown configuration source
disk unit.
Use a workstation with Operations Navigator installed to select the
disk pool with the problem, and then select the recover unknown
configuration source option for this disk pool.
This ends the procedure.
7. Use Hardware Service Manager to display logical resources connected to the
IOP (see Hardware Service Manager in the iSeries Service Functions information).
8. Is every device attached to the IOP failing?
Yes No
↓ Go to step 11 of this procedure.
9. Is there more than one storage IOA attached to the IOP?
Yes No
↓ Go to step 13 of this procedure.
10. Exchange the IOP. Use the IOP direct select address from step 2 on page 364 to
find the location. See “Locations and Addresses” on page 705.
This ends the procedure.
11. Are all of the disk units that are attached to one IOA missing?
No Yes
↓ Exchange the IOA. Use the IOP direct select address and the first
character of the unit address from step 2 on page 364 to find the
location. See “Locations and Addresses” on page 705.
This ends the procedure.
12. Go to the service information for the specific disk unit that is listed below and
perform the action indicated. Then return here and answer the following
question.
v 2105 Disk Units: Use SRC 3002 in “(2105) Disk Unit Reference Codes” on
page 117 and exchange the FRUs shown one at a time.
v 432x, 660x, 671x Disk Units: Use SRC 3002 in “(432x, 660x, 671x, 673x) Disk
Unit Reference Codes” on page 151 and exchange the FRUs shown one at a
time.
Did the disk unit service information correct the problem?
No Yes
↓
This ends the procedure.
LIC PIPs
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation 365
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