IOPIP13

Use this procedure to isolate problems on the interface between the I/O card and the storage devices.

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.
2. Were you performing an IPL from removable media (IPL type D) when the error occurred?
   • No: Continue with the next step.
   • Yes: Exchange the FRUs in the failing item list for the reference code that sent you to this procedure. This ends the procedure.
3. Look in the service action log for other errors logged at or around the same time as the 310x SRC. (For assistance on how to look for these errors, refer to Using the service action log.) Also, look in the product activity log for other errors logged. (For assistance on using the product activity log, refer to Using the product activity log). Were you able to find other errors?

   No:

   Continue with substep 3.b.

   Yes:

   Continue with substep 3.a.

   1. Are most of the errors logged against a single device resource?

      No:

      Most of the errors are not logged against a single device resource. Continue with substep 3.b.

      Yes:

      Replace the device. This ends the procedure.

   2. Are you working with an attached 5786 or 5787 disk expansion unit?

      No:

      Continue with step 4.

      Yes:

      Continue with substep 3.c.

   3. Check all cable connections on the SCSI bus. If that does not resolve the problem, replace all of the SCSI interface cards on the SCSI bus. Go to Locations — 5786, 5787, 7031-D24, and 7031-T24 expansion unit to exchange the failing item. If this does not fix the problem, continue with step 4.
4. The following steps isolate a SCSI bus problem. Contact your next level of support, if necessary, for assistance with this procedure.
5. 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 8.
6. Does one of the following displays appear on the console?
   • Disk Configuration Error Report
   • Disk Configuration Attention Report
   • Disk Configuration Warning Report
   • Display Unknown Mirrored Load-Source Status
   • Display Load-Source Failure
     • Yes: Continue with the next step.
     • No: Look at the product activity log. See Using the product activity logfor details.

     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 Reference codes topic. If the failing item list contains FI codes, see the Using failing item codes topic to help determine part numbers and location in the system. This ends the procedure.
7. Are all of the reference codes 0000? On some of the displays, you must press F11 to display reference codes.
   • No: Continue with the next step. Use the reference code that is not 0000.
   • Yes: Go to LICIP11 and use cause code 0002. This ends the procedure.
8. Is the SRC the same one that sent you to this procedure?
   • Yes: Continue with the next step.
   • No: Record the SRC on the Using the problem reporting forms. Then go to the Reference codes topic to correct the problem. This ends the procedure.
9. Perform the following:
   1. Power off the system or the expansion tower. See Powering on and powering off for details.
   2. Find the I/O card identified in the failing item list.
   3. Remove the I/O card and install a new I/O card. See Removing and replacing parts. This item has the highest probability of being the failing item.
   4. Power on the system or the expansion tower.

   Does an SRC appear on the control panel?

   • No: Continue with the next step.
   • Yes: Go to step 13.
10. Does one of the following displays appear on the console?
    • Disk Configuration Error Report
    • Disk Configuration Attention Report
    • Disk Configuration Warning Report
    • Display Unknown Mirrored Load-Source Status
    • Display Load-Source Failure
    • Yes: Does the Display Unknown Mirrored Load-Source Status display appear on the console?
      Note: On some of these displays, you must press F11 to display reference codes.
      • Yes: Continue with the next step.
      • No: Are all of the reference codes 0000?
        • No: Go to step 13 using the reference code that is not 0000.
        • Yes: Go to LICIP11 and use cause code 0002. This ends the procedure.
    • No: Go to step 12.
11. Is the reference code the same one that sent you to this procedure?
    • No: Either a new reference code occurred, or the reference code is 0000. There may be more than one problem. The original I/O card may be failing, but it must be installed in the system to continue problem isolation. Install the original I/O card by doing the following:
      1. Power off the system or the expansion tower. See Powering on and powering off for details.
      2. Remove the I/O card you installed in step 9 and install the original I/O card.
         Note: Do not power on the system or the expansion unit now.

         A device connected to the I/O card could be the failing item. Go to IOPIP16, step (9) to continue isolating the problem. This ends the procedure.

    • Yes: Go to step 14.
12. Look at the product activity log. See Using the product activity log for details. Is an SRC logged as a result of this IPL?
    • Yes: Continue with the next step.
    • No: The I/O card, which you removed in step 9, is the failing item. This ends the procedure.
13. Is the SRC or reference code the same one that sent you to this procedure?
    • Yes: Continue with the next step.
    • No: Record the SRC on the Using the problem reporting forms. Then go to the Reference codes topic to correct the problem. This ends the procedure.
14. The original I/O card is not the failing item. Install the original I/O card by doing the following:
    1. Power off the system or the expansion tower. See Powering on and powering off for details.
    2. Remove the I/O card you installed in step 9 of this procedure and install the original I/O card.
       Note: Do not power on the system or the expansion unit now.

    A device connected to the I/O card could be the failing item. Go to IOPIP16, step (9) to continue isolating the problem. This ends the procedure.