How to Replace a Failed Clock Control Unit in an M9000:ATR:2201:2

Asset ID:	1-71-1303332.1
Update Date:	2016-01-20
Keywords:

Solution Type Technical Instruction Sure

Solution 1303332.1 : How to Replace a Failed Clock Control Unit in an M9000:ATR:2201:2

Applies to:

Sun SPARC Enterprise M9000-32 Server - Version: Not Applicable and later [Release: N/A and later ]
Sun SPARC Enterprise M9000-64 Server - Version: Not Applicable and later [Release: N/A and later]
Information in this document applies to any platform.

Goal

CAP PROBLEM OVERVIEW: Clock Control Unit Failure
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Solution

DISPATCH INSTRUCTIONS

WHAT SKILLS DOES THE ENGINEER NEED:(IS A SITE ENGINEER AVAILABLE?)
The engineer should be M8000/M9000 trained

DELIVERY REQUIREMENT:
Schedule for immediate replacement can be planned within contractual terms.

TASK COMPLEXITY: 2

Time Estimate: 150 minutes

FIELD ENGINEER INSTRUCTIONS

WHAT STATE SHOULD THE SYSTEM BE IN TO BE READY TO PERFORM THE RESOLUTION ACTIVITY? :

Customer should shutdown and power off the domains.

WHAT ACTION DOES THE ENGINEER NEED TO TAKE:

Cold Replacement

1. Change OPNL switch to Service.
2. Ensure customer has powered down domains.
3. Confirm POWER LED on OPNL is off.
Note: On M9000-64, base cabinet should be switched off first.
4. Switch off all main line switches.
5. Check XSCF STANDBY LED on OPNL goes out.
6. Connect wrist strap clip to grounding port, and band to your wrist.
7. Remove the CLKU to be replaced.
a. If M9000-64, slide cable support bracket at front of CLKU up or down by one hole, and then remove cables connected to the CLKU.
b. Turn the knob screws securing the left and right eject/lock levers 90 to 180 degrees to unlock the levers.
Caution – Move the cable support bracket of the crossbar unit up by one hole for the work.
c. Unlock the eject/lock levers to pull the CLKU off the backplane.
d. While grasping the eject/lock levers, pull out the CLKU slowly from the slot.
8. Place removed CLKU on an conductive mat.
9. Mount replacement CLKU by following the removal instructions in Step 7 in reverse order.
Note – Use a torque screwdriver to secure the clock cable connector with the torque of 0.2N*m (2.0kgf*cm).
Caution – If you are unable to obtain a torque screwdriver, finger tighten the clock cable connectors. Do not secure them with a regular screwdriver.
Caution – Do not forcibly push the CLKU when inserting it.
Note: On a M9000-64 the expansion cabinet should be switched on first then base cabinet.
10. Switch on all main line switches for the AC section (ACS) in the power supply system.
11. Confirm that the XSCF STANDBY LED (green) on the operator panel remains lit.
12. Power on all domains together.
13. Confirm that the replacement components are normal by using the showhardconf or showstatus command of XSCF.
14. Restore the original mode switch setting on the operator panel.

OBTAIN CUSTOMER ACCEPTANCE

WHAT ACTION DOES THE CUSTOMER NEED TO TAKE TO RETURN THE SYSTEM TO AN OPERATIONAL STATE:
Restart software applications per applicable administration guides to resume system operation.

REFERENCE INFORMATION:
Service Manual: http://download.oracle.com/docs/cd/E19415-01/index.html

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