Sun Server X4-4
 
Exalytics In-Memory Machine X4-4
 

PLA-Support>Sun Systems>Sun_Other>Sun Collections>SN-OTH: x64-CAP VCAP
 

In this Document

Goal

Solution

Applies to:

Goal

How to Replace a Sun Server X4-4 Power Supply.

Solution

DISPATCH INSTRUCTIONS

WHAT SKILLS DOES THE FIELD ENGINEER/ADMINISTRATOR NEED:
No special skills required, Customer Replaceable Unit (CRU) procedure

TIME ESTIMATE: 30 minutes

TASK COMPLEXITY: 0

FIELD ENGINEER/ADMINISTRATOR INSTRUCTIONS:

PROBLEM OVERVIEW: A Sun Server X4-4 Power Supply needs replacement

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

Animation videos are available to demonstrate the power supply replacement process for these servers. please refer to the following links:

Sun Server X4-4 Service Animations MP4 and HTML versions

The server's redundant power supplies support concurrent maintenance, which enables you to remove and replace a power supply without shutting down the server, provided that the other power supply is online and working.

WHAT ACTION DOES THE ENGINEER NEED TO TAKE:

1.Confirm the Power Supply failure and it's location.

a. Confirm which Power Supply is to be replaced. When looking at the server from the rear PS0 is to the left and PS1 is to the right.
b. If the specific power supply to be replaced is not yet known check the status LEDs to identify the failed Power Supply. A failed PSU should have it's amber "service required" LED lit. A working PSU will only have it's green "AC OK" LED lit.
c. If the service is to be performed while the system is up and running confirm that the second PSU is online and working properly.
d. If a replacement Power Supply is not yet available leave the failed supply in place to provide proper airflow within the system until the replacement is available. You may notice that the failed Power Supply's fans are still turning. This is ok and the power supply may be removed while the fans are still spinning.

2. Remove the Power Supply

a. Gain access to the rear of the server where the faulty power supply is located.
b. Release the cable management arm (CMA).If one is installed, Press and hold the CMA release tab.
c. Rotate the cable management arm out of the way so that you can access the power supply. (If necessary extend the server approximately 20 cm (8 inches) out of the front of the rack to gain access to the power supply)
d. Disconnect the power cord from the failed power supply.
e. If both power supplies will be removed for any reason label each power supply with the slot number from which it was removed (PS0, PS1) so that any supply that is not replaced with a new part can be re-installed to the same slot from which it was removed so that FRU TLI data is not lost.
f. Grasp the power supply handle and push the power supply latch to the left.
g. Pull the power supply out of the chassis and set it aside on an antistatic mat.

3. Install the replacement Power Supply

a. Remove the replacement power supply from its packaging and place it on an antistatic mat.
b. Align the power supply with the empty power supply bay.
c. Slide the power supply into the bay until it is fully seated. (an audible click will be heard when it is fully seated)
d. Reconnect the power cord to the power supply.
e. Verify that the amber LED on the replaced power supply and the Service Required LEDs on the chassis are not lit.

4.Return the Server to operation

a. If you pulled the server out of the rack to make it easier to remove the power supply, push the server into the rack until the slide-rail locks (on the front of the server) engage the slide-rail assemblies.
b. If a cable management arm is installed and was removed to access the power supply reattach the CMA clip to the slide rail.
c. Check all power and data cables to ensure that no connections were disturbed during the service.
d. Verify that the Power/OK indicator led lights steady on and that system is operating properly.

5. Check and set the system serial number/fruid data if needed.

a. login to the ILOM as root and then enter the restricted shell to check the psnc values. Follow the example below to enter restricted shell and use the showpsnc command-

b. With a power supply replacement the system should be able to automatically copy the psnc values from the primary and backup1 containers as long as they match. If the power supply in slot 0 has been replaced in a "hot-swap" process (ie. the PSU was replaced while the system is up and running) then the ILOM should be reset so that the system is prompted to check the TLI data containers and the psnc values can be copied over to the new supply. (if more than one part was replaced at the same time the automatic copying of psnc data may not happen so replacing multiple frus containing TLI data simultaneously should not be done).

c. As long as all of the psnc values match and are correct as in the above example this step is done. However if there was an issue during the replacement which caused the psnc values not to propagate automatically the system may need to be prompted to copy the data by either resetting the ILOM or scheduling a power cycle of the system by shutting down and removing the AC. If the SP reset or power cycle of the system does not synchronize the TLI data this will need to be fixed manually from service or escalation mode. These ILOM modes require a dynamic password and an Oracle Engineer for access. If Service mode is needed please contact the TSC and request assistance.

d.For Field Engineers: As long as all of the psnc values match and are correct as in the above example this step is done. However if there was an issue during the replacement which caused the psnc values not to propagate automatically then this will need to be fixed manually by using the copypsnc command from service or escalation mode. If you are unfamiliar with this process and require assistance please reference the steps for using copypsnc to fix the serial number detailed in the "How to Replace a Sun Server X4-4 Storage Disk Backplane (Doc ID xxxxxxx)" and contact the TSC if needed.[This section is not visible to customers.]

OBTAIN CUSTOMER ACCEPTANCE

WHAT ACTION DOES THE CUSTOMER NEED TO TAKE TO RETURN THE SYSTEM TO AN OPERATIONAL STATE:

N/A

REFERENCE INFORMATION:
Sun Server X4-4 Documentation

Link to  Documentation

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