Oracle FS1-2 Flash Storage System
 
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Instructions on how to replace Controller DIMM in an FS1-2.

In this Document

Goal

Solution

References

Applies to:

Goal

How to Replace a DIMM in an Oracle FS1-2 Controller

Solution

DISPATCH INSTRUCTIONS

- WHAT SKILLS DOES THE FIELD ENGINEER/ADMINISTRATOR NEED:

Product knowledge, FS1-2 Flash Storage System

TIME ESTIMATE: 30 minutes

TASK COMPLEXITY: 0

FIELD ENGINEER/ADMINISTRATOR INSTRUCTIONS:

PROBLEM OVERVIEW:

What: A Controller DIMM in an FS1-2 has failed and needs to be replaced.

Where: There will be a System Alert that identifies the DIMM location. 

Why: An FS1-2 Controller DIMM has failed.

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

The Controller with the DIMM failure will have a warning status.  The other Controller must have a normal status as this procedure requires a Controller failover so that the problem Controller can be powered off in order to replace the failed DIMM.

QRC for this procedure:

To familiarize yourself with the procedure in general, a video of the basic procedure can also be found here.  But it should not be viewed as a substitute for the instructions below.

WHAT ACTION DOES THE FIELD ENGINEER/ADMINISTRATOR NEED TO TAKE:

1. Prepare the Controller for service procedure:
1. Disable Call-Home to prevent spurious alerts (see <Document 1942676.1> FS System: How to disable Call Home to prevent Automatic Service Request ASR Generation).
2. Use ESD precautions.
3. Log into Oracle FS System Manager to access Guided Maintenance:
1. Select System tab
2. In the navigation tree, expand Hardware and select Controllers
3. In the main window, double click on the Controller with the failed DIMM.
4. In the pop-up Modify window, select the failed DIMM and then click on Replace Component.
5. Follow the steps in Guided Maintenance to identify and place the Controller offline.
   
   
2. Access the failed DIMM:
1. Deploy the anti-tip legs in the front of the rack.
2. Slide the Controller into the service position.
3. Unplug both power cords.
4. Loosen the two captive screws in the rear of the top cover.
5. Slide the top cover back and remove.
6. Unplug the cables connected to the Drive Compartment - suggest they be labeled to make reconnections easier.
7. Loosen the four captive screws that secure the Drive Compartment to the Controller chassis and lift it into the service position.
8. Remove the clear plastic Air Duct.
9. Use the Fault Remind button (located between the power supply and the first riser) to confirm the location of the failed DIMM.
10. Press the release tabs on both ends of the DIMM to remove it.
    
    
3. Install replacement DIMM and reassemble
1. Install the replacement DIMM by inserting it into the slot evenly until the release tabs lock it into place.
2. Reinstall the clear plastic Air Duct.
3. Lower the Drive Compartment and secure the four captive screws.
4. Reconnect the cabling to the Drive Compartment.
5. Close the top cover being certain to catch the mushroom tabs in the front to secure it.  Failure to do so will inhibit the Controller from being slid back into the rack.
6. Tighten the two screws in the rear.
   
   
4. Return the Controller to operation:
1. Plug in both power cords.
2. Return the Controller to the rack position.
3. Return the anti-tip legs to their normal position.
   
   
5. ssh into the repaired Controller ILOM to confirm the fault has cleared. 
   
   1. ssh to the active Pilot.  Reference Documents 2029847.1 FS1-2: How to Enable ssh Access to the Pilot & 2046703.1 FS1-2: Passwords associated with the Oracle FS1-2 Flash Storage System.
   2. ssh to the repaired Controller (172.30.80.128 = Controller 1, 172.30.80.129 = Controller 2)
   3. ssh to the repaired Controller's ILOM (169.254.2.5 will always be the local ILOM):
      
      [root@pilot2 ~]# ssh 172.30.80.128
      WN508002000XXXXXX0 # ssh 169.254.2.5
      Password:
      
      Oracle(R) Integrated Lights Out Manager
      
      Version 3.1.2.40 r93718
      
      Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
      
      Warning: password is set to factory default.
      
      ->
       
   4. Start Fault Management Shell:
      
      ->start /SP/faultmgmt/shell
      Are you sure you want to start /SP/faultmgmt/shell (y/n)? y
      
      faultmgmtsp>
       
   5. List the active faults:
      
      faultmgmtsp> fmadm faulty -a
       
   6. If the newly replaced component is still listed as a fault, it can be cleared by using the replaced option on the appropriate slot number indicated by the Location line of the command output:
      
      faultmgmtsp> fmadm replaced /SYS/MB/P#/D#
       
      
      NOTE: P# = Processor (CPU), C1 is on the left, C0 on the right when viewed from the front.  Then each CPU has DIMM slots 0-7 left to right when viewed from front of Controller.   /SYS/MB/P0/D5 would be the fifth DIMM slot for CPU 0.
       
   7. Confirm fault is cleared:
      
      faultmgmtsp> fmadm faulty -a
      No faults found
      faultmgmtsp> exit
      
      
      
6. When finished, re-enable Call-Home.

OBTAIN CUSTOMER ACCEPTANCE

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

 Confirm that the replacement DIMM was successful - the System Alert associated with it should be gone and the FS1-2 should be normal/green.

Note: because the Controller must cold start, it may take as long as 15 minutes for the boot process to complete and the Controller to return to a normal status.

REFERENCE INFORMATION:

From the Oracle Help Center: http://docs.oracle.com/en/storage/#fla select the Oracle Flash System Documentation Library for more information.

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