How to remove and replace a Starcat Fan Backplane:ATR:1544:4

Asset ID:	1-71-1310671.1
Update Date:	2018-05-01
Keywords:

Solution Type Technical Instruction Sure

Solution 1310671.1 : How to remove and replace a Starcat Fan Backplane:ATR:1544:4

Applies to:

Sun Fire E25K Server - Version: Not Applicable and later   [Release: N/A and later ]
Sun Fire 12K Server - Version: Not Applicable and later    [Release: N/A and later]
Sun Fire 15K Server - Version: Not Applicable and later    [Release: N/A and later]
Sun Fire E20K Server - Version: Not Applicable and later    [Release: N/A and later]
Information in this document applies to any platform.

Goal

How to remove and replace a Starcat Fan Backplane

Solution

CAP PROBLEM OVERVIEW: Fan backplane to be replaced.

DISPATCH INSTRUCTIONS

WHAT SKILLS DOES THE ENGINEER NEED:
Starcat training, familiarity with SMS command set

TASK COMPLEXITY: 4

TIME ESTIMATE: 240 minutes

DELIVERY REQUIREMENT:
This procedure requires an extended outage on all domains, to be negotiated with the customer during contract hours.

TASK COMPLEXITY: 4

FIELD ENGINEER INSTRUCTIONS

WHAT STATE SHOULD THE SYSTEM BE IN TO BE READY TO PERFORM THE RESOLUTION ACTIVITY? :
1. Ensure SC failover is enabled and all data in in sync ("showfailover; showdatasync").
2. All domains should be shut down to the OBP ("ok prompt").

WHAT ACTION DOES THE ENGINEER NEED TO TAKE:

Powering Off a Fan Backplane

Verify the domains have been shutdown then poweroff the domain hardware.

sc% poweroff
As a superuser on the spare SC, shut down the spare SC by typing:

sc_spare# shutdown -y -g seconds -i 0
On the main SC, power off the spare SC by typing:

sc% poweroff SCx
As a superuser on the main SC, shutdown the main SC by typing:

sc# shutdown -y -g seconds -i 0
Power off the AC0 and AC1 circuit breakers for all power supplies in the system.
Disconnect the twelve AC power cords.

Removing a Fan Backplane

Power off the AC circuit breakers on the power supply front panel.
Disconnect the AC power cords.
Remove the two fan trays connected to the fan backplane being removed.
To gain additional access to the power cable, remove board sets and carrier plates from slots 5, 6, 7, and 8 front (side 0) or slots 14, 15, 16, and 17 rear

Remove additional carrier plates, as needed.

Disconnect the power cable connector and the control ribbon cable connector from the fan backplane.
Remove the ten M4x6 panhead screws.
From the left side of the card cage, grasp the left fan tray connector and pull forward and angle the backplane around the fan tray slots.
Remove the fan backplane from the cabinet.

Installing a Fan Backplane

Follow the Removing a Fan Backplane in reverse order

Avoid dropping screws into system cabinet during installation.

Powering On a Fan Backplane

Ensure all DC circuit breakers are in the on position.
Connect the AC power cords to the dual AC–DC power supplies.
Power on the AC0 and AC1 circuit breakers for all power supplies in the system.
Monitor SC bootup and SMS startup.
Enable SC failover.

OBTAIN CUSTOMER ACCEPTANCE

WHAT ACTION DOES THE CUSTOMER NEED TO TAKE TO RETURN THE SYSTEM TO AN OPERATIONAL STATE:
Power-on domains. Note: If multiple domains are started simultaneously, this will cause a slower POST times.

PARTS NOTE:
Consult service manual for part locations and diagrams.

REFERENCE INFORMATION:
Service Manual: http://download.oracle.com/docs/cd/E19065-01/servers.e25k/index.html

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