IOPIP17

1. If the system has logical partitions, perform this procedure from the logical partition that reported the problem. To determine if the system has logical partitions, go to Determining if the system has logical partitions before continuing with this procedure.
2. Were you performing an IPL from removable media (IPL type D) when the error occurred?
   • Yes: Exchange the FRUs in the failing item list for the reference code that sent you to this procedure.
   • No: Perform an IPL to DST. See Performing an IPL to DST. Does an SRC appear on the control panel?
     • No: Continue with the next step.
     • Yes: Go to step 5.
3. Does either the Disk Configuration Error Report, the Disk Configuration Attention Report, or the Disk Configuration Warning Report display appear on the console?
   • No: Continue with the next step.
   • Yes: Does one of the following messages appear in the list?
     • Missing disk units in the configuration
     • Missing mirror protection disk units in the configuration
     • Device parity protected units in exposed mode.
       • No: Continue with the next step.
       • Yes: Select option 5, press F11, then press Enter to display the details. Then, choose from the following options:
         • If all of the reference codes are 0000, go to LICIP11 and use cause code 0002.
         • If any of the reference codes are not 0000, go to step 5, and use the reference code that is not 0000.
           Note:
           Use the characters in the Type column to find the correct reference code table.
4. Look at the product activity log. See Using the Service Action Log. Is an SRC logged as a result of this IPL?
   • Yes: Continue with the next step.
   • No: You cannot continue isolating the problem. Use the original SRC and exchange the failing items, starting with the highest probable cause of failure (see the failing item list for this reference code in the (System Reference Codes)) topic. If the failing item list contains FI codes, see (Failing items) to help determine part numbers and location in the system. This ends the procedure.
5. Record the SRC. Is the SRC the same one that sent you to this procedure?
   • No: A different SRC or reference code occurred. Use the new SRC or reference code to perform problem analysis and correct the problem. This ends the procedure.
   • Yes: Determine the device unit reference code (URC) from the SRC. If the Disk Configuration Error Report, the Disk Configuration Attention Report, or the Disk Configuration Warning Report display appears on the console, the device URC is displayed under Reference Code. This is on the same line as the missing device. Is the device unit reference code 3020, 3021, 3022, or 3023?
     • Yes: Continue with the next step.
     • No: Go to step 7.
6. A unit reference code of 3020, 3021, 3022, or 3023 indicates that there is a problem on an I/O card SCSI bus. The problem can be caused by a device that is attached to the I/O card that:
   • Is not supported.
   • Does not match system configuration rules. For example, there are too many devices that are attached to the bus.
   • Is failing.

   Perform the following:

   1. Look at the characters on the control panel Data display or the Problem Summary Form for characters 9 - 16 of the top 16 character line of function 12 (word 3). Use the format BBBB-Cc-bb (BBBB = bus, Cc = card, bb = board) to determine the card slot location for the I/O card (see (Locations and addresses)).
   2. The unit reference code indicates the SCSI bus that has the problem:

      URC	SCSI Bus
      3020	0
      3021	1
      3022	2
      3023	3

   3. To find the bus and device locations, see Locating FRUs.
   4. Find the printout that shows the system configuration from the last IPL and compare it to the present system configuration.
      Note:
      If configuration is not the problem, a device on the SCSI bus may be failing.
   5. If you need to perform isolation on the SCSI bus, go to IOPIP16. This ends the procedure.
7. The possible failing items are FI codes FI01105 (90%) and FI01112 (10%). Find the device unit address from the SRC (see The System Reference Code (SRC) Format Description). Use this information to find the physical location of the device. Record the type and model numbers to determine if the addressed I/O card supports this device. Is the device given support on your system?
   • No: Continue with the next step.
   • Yes: Perform the following:
     1. Exchange the device.
     2. Perform an IPL to DST. See Performing an IPL to DST.

     Does this correct the problem?

     • No: Ask your next level of support for assistance. This ends the procedure.
     • Yes: This ends the procedure.
8. Perform the following steps:
   1. Remove the device.
   2. Perform an IPL to DST. See Performing an IPL to DST.

   Does this correct the problem?

   • No: Ask your next level of support for assistance. This ends the procedure.
   • Yes: This ends the procedure.