Exadata X7-2 Hardware
 
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In this Document

Goal

Solution

References

Oracle Confidential PARTNER - Available to partners (SUN).
Reason: Exadata internal only for Oracle support engineers use and approved HW partners

Applies to:

Goal

How to Replace an Exadata X7-2 Compute Node Server Temperature Sensor.

Solution

DISPATCH INSTRUCTIONS

WHAT SKILLS DOES THE FIELD ENGINEER/ADMINISTRATOR NEED:
Exadata X7-2 Training

TIME ESTIMATE: 60 minutes

TASK COMPLEXITY: 2

FIELD ENGINEER/ADMINISTRATOR INSTRUCTIONS

PROBLEM OVERVIEW: An Exadata X7-2 Compute Node Server Temperature Sensor needs replacement

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

IMPORTANT NOTE TO TSC ENGINEER: CUT & PASTE the “CUSTOMER ACTIVITY” sections of the Pre-Replacement and Post-Replacement steps into a SR Note and ensure the customer is aware to do these steps prior to the scheduled field engineer activity, and during and after the replacement activity.

CUSTOMER ACTIVITY:

Shutdown of the database node is required prior to the part replacement:

   If running Linux or Solaris native - follow Steps 1 to 9 of MOS Note:
      How to shutdown the Exadata database nodes and storage cells in a rolling fashion so certain hardware tasks can be performed. (Doc ID 1539451.1)

   If running OVM then follow MOS Note:
      How to Shutdown and Startup Exadata database nodes running OVM (Doc ID 2367609.1)

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

Prepare the Server for Service

The customer should have already prepared the server and powered it off. If not, provide them the instructions in the previous section.

1. Extend the server to the maintenance position
2. Disconnect the power cords from the power supplies
3. Attach an anti-static wrist strap to your wrist and to a metal area on the chassis or the rack.
4. Remove the server top cover.  Use a Torx T10 screwdriver to unlock the release button latch.

 
Removing the Temperature Sensor

1. Disconnect the temperature sensor cable from the disk backplane.
2. Using a Phillips screwdriver, remove the two screws that secure the front indicator module (FIM) assembly to the server chassis.
3. Carefully slide the FIM assembly toward the front of the server to remove it from the chassis.
4. Remove the temperature sensor from the plastic housing by pulling the sensor from its seated location. Then remove the sensor cable by pulling it through the slit in the housing.
5. Remove the temperature sensor and cable by carefully pulling the sensor cable rearward and through the left-front chassis sidewall. Then lift the temperature sensor from the chassis.

Installing the replacement Temperature Sensor

1. Install the temperature sensor by carefully inserting the sensor-end of the cable through the rear opening directly under the left side of the disk backplane. Then push/pull the sensor cable through the left-front chassis sidewall.
2. Install the temperature sensor into the plastic housing by inserting the cable through the slit in the housing. Then ensure that the temperature sensor is properly seated into the housing.
3. Carefully insert the FIM assembly into the front panel of the server chassis.
4. Install and tighten the two Phillips screws to secure the FIM assembly to the server chassis.
5. Reconnect the temperature sensor cable to the disk backplane.

Return the Server to Operation

1. Install the server top cover. Use a Torx T10 screwdriver to lock the release button latch.
2. Reconnect the power cords to the server power supply and connect any other cables to their original locations.
3. Return the server to the normal rack position.
4. Once the power cords have been re-attached and the ILOM has booted you will see a slow blink on the green LED for the server. Power on the server by pressing the power button on the front of the unit.
5. Connect to the server console via the ILOM and monitor the boot.
      By default the ILOM serial console displays the primary console output.
      In the event of unexpected boot behavior, it is advisable to connect to both ILOM serial and ILOM graphics consoles at the same time and monitor.

OBTAIN CUSTOMER ACCEPTANCE

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

FIELD SERVICE ENGINEER and CUSTOMER ACTIVITY:

1. Verify all expected hardware is visible to the server and the fault is cleared. Assistance from the customer for server login access will be required.

2. Verify there are no outstanding faults in ILOM:

3. Verify there are no outstanding alerts in the Database Node:

4. Re-enable and restart the Database services:

    If running Linux or Solaris native - follow Steps 11 to 14 of MOS Note:
       How to shutdown the Exadata database nodes and storage cells in a rolling fashion so certain hardware tasks can be performed. (Doc ID 1539451.1)

    If running OVM then follow MOS Note:
       How to Shutdown and Startup Exadata compute nodes running OVM (Doc ID 2367609.1)

PARTS NOTE:

7344566 [F] Cable Kit
 - 7329638 3-Pin Temperature Sensor Cable, 400mm

REFERENCE INFORMATION:

Oracle Exadata Database Machine Maintenance Guide: https://docs.oracle.com/cd/E80920_01/DBMMN/maintaining-exadata-database-servers.htm#DBMMN22020

Oracle Server X7-2 Documentation https://docs.oracle.com/cd/E72435_01/index.html

How to shutdown the Exadata database nodes and storage cells in a rolling fashion so certain hardware tasks can be performed. (Doc ID 1539451.1)

How to Shutdown and Startup Exadata compute nodes running OVM (Doc ID 2367609.1)

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