Sun StorageTek SL8500 Modular Library System
 
Sun StorageTek SL8500 Modular Library System
 

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Goal

Solution

Oracle Confidential PARTNER - Available to partners (SUN).
Reason: FRU CAP

Applies to:

Goal

How to Remove / Replace 48V Power Supply Module for Drive/Rail/CIM in SL8500 Library.

Solution

DISPATCH INSTRUCTIONS
- WHAT SKILLS DOES THE FIELD ENGINEER/ADMINISTRATOR NEED:
   Familiar with the SL8500 library hardware.

- TIME ESTIMATE: 45 minutes

- TASK COMPLEXITY: 1

FIELD ENGINEER/ADMINISTRATOR INSTRUCTIONS:
- PROBLEM OVERVIEW:
  48V power supply is determined defective and requires replacement.
- WHAT STATE SHOULD THE SYSTEM BE IN TO BE READY TO PERFORM THE
RESOLUTION ACTIVITY?:
   The power supply is hot swappable so no customer actions needed.

WHAT ACTION DOES THE FIELD ENGINEER/ADMINISTRATOR NEED TO TAKE:
Refer to the SL8500 Service Manual for complete instructions including pictures to preform the following actions.
http://download-adc.oracle.com/archive/cd_ns/E21096_01/418609001AB/418609001AB.pdf

48V Power Supply Module (Drive/Rail/CIM): Removal
1. Open the library rear doors.
2. Note the ratio of functional power supply modules to the number of installed, operating tape drives; or, to the number of rail communication modules.
    - You can hot-swap a 48V Power Supply Module if there is adequate redundancy.
    - There must be a minimum of one functional power supply module per 8 installed, operating tape drives after removing a power supply module.
    - There must be a minimum of one functional power supply module per 2 installed, operating rail communication modules after removing a power supply module.
    - Power supply modules are numbered from the bottom, up:
          PS 1 - 4, 7 - 10, 13 - 16, 19 - 22 power the drive bus.
          PS 5 - 6, 11 -12, 17 -118, 23 - 24, power the rail bus.
    - The appearance of the LEDs and handle retention tab may differ from the one (1) shown in Fig. 1-22.
3. Power-off selected tape drives or rail communication modules until an adequate ratio can be maintained.
4. Press and hold the handle retention tab (1) shown in Fig. 1-23, then pull the handle (2) to unseat the connectors.
5. Pull the power supply, by the handle, completely out of the slot.

48V Power Supply Module (Drive/Rail/CIM): Replacement
Note: Be sure the power supply handle is in the extended position.  If otherwise, a closed handle will prevent connector seating.
1. Push the replacement power supply, with the handle (2) shown in Fig. 1-23 extended, fully into the slot until the connectors are seated.
2. Close the handle to secure the assembly.
3. Verify that the green LED (1) shown in Fig. 1-22 lights.
4. Close the handle to secure the assembly.
5. Verify that the green LED is ON.
6. Perform "48V power Supply Module Verification.
7. Power-up all tape drives that were powered off during removal steps.
8. Close the library rear doors.

OBTAIN CUSTOMER ACCEPTANCE
- WHAT ACTION DOES THE FIELD ENGINEER/ADMINISTRATOR NEED TO TAKE TO RETURN THE SYSTEM TO AN OPERATIONAL STATE: 
   Verify the power supplies are functional via the front Op Panel.

PARTS NOTE:
Sun StorageTek SL8500 Modular Library System - Full Components List
https://support.us.oracle.com/handbook_internal/Systems/SL8500/SL8500_components.html

REFERENCE INFORMATION:
SL8500 Service Manual
http://download-adc.oracle.com/archive/cd_ns/E21096_01/418609001AB/418609001AB.pdf

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