Asset ID:	1-75-1301313.1
Update Date:	2011-09-19
Keywords:

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Solution Type  Troubleshooting Sure

Solution  1301313.1 :   L180/L700/L1400 - Troubleshooting Problems Caused by MPC/MPCL in Library  

In this Document
  Purpose
  Last Review Date
  Instructions for the Reader
  Troubleshooting Details

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Oracle Confidential (PARTNER). Do not distribute to customers
Reason: Confidential for Oracle Support personnel

Applies to:

Sun StorageTek L180 Tape Library - Version: Not Applicable and later    [Release: N/A and later]
Sun StorageTek L1400 Tape Library - Version: Not Applicable and later    [Release: N/A and later]
Sun StorageTek L700 Tape Library - Version: Not Applicable and later    [Release: N/A and later]
Sun StorageTek L700e Tape Library - Version: Not Applicable and later    [Release: N/A and later]
Information in this document applies to any platform.
Checked for relevance on 16-Sept-2011.
Removed this KB from CAP, # 969, as it does NOT meet the CAP criteria.
This KB is still valid.

Purpose

Troubleshooting problem caused by faulty MPC/MPCL

Examples of failures that may not post an FSC are:
- AC power problem
- AC PDU fault
- Redundant AC power option (UPS) failure
- DC power faults
- Operator panel problems
- Interface errors
- Tape drive faults
- Mismatched SCSI interfaces

Last Review Date

September 16, 2011

Instructions for the Reader

Troubleshooting Details

It is difficult to determine when the MPC/MPCL may be causing problems. There are a number of symptoms that could be the result of a defective card. Refer to the following steps to troubleshoot this problem. This information is found in the L700/L1400 Service Reference Manual, Chap.3, PN 95846.

1. Do you have an AC power problem? Yes: Go to TIP 1000: Power---AC PDU.
No: Go to Step 3.
2. Do you have a power problem that may relate to the redundant power option? Yes: Go to "TIP 1010: Power---UPS Power"
No: Go to Step 3.
3. Do you have an DC power problem? Yes: Go to TIP 2000: Power---DC Power.
No: Go to step 4.
4. Do you have an operator panel problem Yes: Go to TIP 3000: Operator Panel.
No: Go to Step 5.
5. Do you have a problem where the client system cannot access the library? Yes: Go to TIP 4000: SCSI Interface.
No: Go to Step 7.
6. Do you have a tape drive problem? Yes: Go to TIP 5000: Tape Drives.
No: Go to step 7.
7. If you are uncertain, run diagnostic tests on the library. Refer to the "Diagnostic Tests" in Chapter2, "Firmware Operation."

Symptom Explanation Conditions That Could Cause This Symptom
The PDU breaker trips.
- Defective AC Power Distribution Unit (PDU)
- Defective power cable
- Incorrect power source






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