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Sun Datacenter InfiniBand Switch 36
 
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Sun Network QDR InfiniBand Gateway Switch
 

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

In this Document

Goal

Solution

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

Applies to:

Goal

Replacing a failed Fan in a Datacenter InfiniBand Switch 36 or QDR InfiniBand Gateway Switch

Solution

 DISPATCH INSTRUCTIONS
   WHAT SKILLS DOES THE FIELD ENGINEER/ADMINISTRATOR NEED?:
   TIME ESTIMATE: 60 minutes
   TASK COMPLEXITY: 3

FIELD ENGINEER/ADMINISTRATOR INSTRUCTIONS:
   PROBLEM OVERVIEW: A fan has failed in a Datacenter InfiniBand Switch 36 or QDR InfiniBand Gateway Switch
  
   WHAT STATE SHOULD THE SYSTEM BE IN TO BE READY TO PERFORM THE RESOLUTION ACTIVITY?: Single Fan replacement is Hot Swappable

   WHAT ACTION DOES THE ADMINISTRATOR NEED TO TAKE?: No special action required as a single Fan replacement is hot swappable.

   WHAT ACTION DOES THE FIELD ENGINEER NEED TO TAKE?:

Logged into ILOM, Identify the faulty Fan:

    -> show -d targets /SP/faultmgmt

If a fan is faulty, you will see /SYS/FANx listed in the output under Target:, where x is 0 (left fan) to 4 (right fan).

        Example of a faulty FAN2:

        -> show -d targets /SP/faultmgmt
          /SP/faultmgmt
            Targets:
                   0 (/SYS/FAN2)
       ->

Check to see if any System Service Required LEDs are lit or flashing.
If the LED is lit, there is a fault with that fan.


Once the fan is identified, remove the fan:

    Remove a Fan
           
            Note – Fans are hot-swappable and do not require powering off. Additionally, if there are fewer than two operational fans, the switch shuts down to prevent thermal overload.

1. Determine which fan is to be removed.
If a fan has failed, its Attention LED lights.
2. Loosen the captive thumbscrew at the right side of the fan.
3. Grasp the handle and pull the fan straight out.
4. Set the faulty fan aside.



Installing the replacement Fan

1. Inspect the replacement fan.
        Before installing a fan, inspect its hardware and connector to verify its suitability for installation.
2. Verify that the slot where the fan installs is clean and free of debris.
3. Verify that the slot connector pins are straight and not missing.
4. Orient the fan to the opening in the switch chassis with the thumbscrew on the right.
5. Firmly slide the fan into the chassis until the fan stops.
6. Tighten the captive thumbscrew to secure the fan in the switch chassis.


OBTAIN CUSTOMER ACCEPTANCE
   WHAT ACTION DOES THE FIELD ENGINEER/ADMINISTRATOR NEED TO TAKE TO RETURN THE SYSTEM TO AN OPERATIONAL STATE?:

1. Verify that the fan Attention LED goes out.
2. Access the Oracle ILOM CLI.
3. Enter the restricted Linux shell.

For Version 2.1.X and eariler:
        -> show /SYS/Fabric_Mgmt

For version 2.2.X and newer:
        -> start /SYS/Fabric_Mgmt

4. Use the getfanspeed command on the management controller to verify the fan’s operation.
            Note – You should see a fan speed for the fan you just installed.

For example, to check the fans:

            FabMan@switch_name->getfanspeed
            Fan 0 not present
            Fan 1 running at rpm 12099
            Fan 2 running at rpm 11772
            Fan 3 running at rpm 11772
            Fan 4 not present
            FabMan@switch_name->


PARTS NOTE:
    7061031     Rear-to-Front Airflow Fan Module

REFERENCE INFORMATION:

Sun Datacenter InfiniBand Switch 36 Service Manual for Firmware Version 2.1

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