Sun ZFS Storage 7120
 

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In this Document

Goal

Fix

Applies to:

Goal

How to Replace a 7120 Memory DIMM

Fix

DISPATCH INSTRUCTIONS

WHAT SKILLS DOES THE CUSTOMER/ENGINEER NEED:
Training and experience with 7120 NAS hardware and administration.

DELIVERY REQUIREMENT: As required

TIME ESTIMATE: 30 minutes

PROBLEM OVERVIEW
What: Replace faulty memory DIMM
Where: DIMM [Proc/Memory Riser/DIMM], check BUI for location
Maintenance - Hardware - show details - DIMM
Why : DIMM has been diagnosed faulty

REPLACEMENT INSTRUCTIONS

WHAT STATE SHOULD THE SYSTEM BE IN TO BE READY TO PERFORM THE RESOLUTION ACTIVITY:
* Shut down appliance
* Disconnect power cords from rear panel. Verify that no cables will be damaged or interfere when storage controller is extended from rack

WHAT ACTION DOES THE CUSTOMER/ENGINEER NEED TO TAKE:

1. Remove server from rack and attach antistatic wrist strap

2. Remove top cover(s)

3. Remove DIMM(s)
3.1 To assist with identifying the location of the faulty DIMMS, press the Fault Remind button on the motherboard.
3.2 Faulty memory DIMMs are identified with a corresponding amber LED on the motherboard
To remove the faulty DIMM do the following:

- Rotate both DIMM slot ejectors outward as far as they will go.
- The DIMM should now be partially ejected from the socket
- Carefully lift the DIMM straight up to remove it from the socket.

4. Install DIMM(s)
4.1 Unpack the replacement DIMMs and place them on an antistatic mat.
4.2 Ensure that the replacement DIMMs match the sizes as the DIMMs they are replacing.
4.3 Install the DIMMs

- Ensure that the ejector tabs are in the open position.
- Line up the replacement DIMM with the connector.
- Push the DIMM into the connector until the ejector tabs lock the DIMM in place.

4.4 Repeat Step 3 until all replacement DIMMs are installed.

5. Return system to operational state
5.1 Place the top cover on the chassis. Slide the top cover forward until it seats.
5.2 Close the fan cover and engage the fan cover latches. NOTE: The cover must be completely closed for the storage controller to power on.
5.3 Ensure covers are secure and reinstall the appliance back in its original rack location.
5.4 Reconnect all of the cables to the back of the storage controller.
5.5 Connect the power cords to the power supplies.
5.6 Verify that standby power is on, indicated by the Power/OK LED flashing on the front panel about two minutes after the power cords are plugged in.
5.7 Use a pen, or other pointed object, to press and release the recessed Power button on the storage controller front panel. SSH to the service processor (SP) and check appliance power state, show /SYS power_state. If status is off issue the "start SYS" command to power up the appliance.

OBTAIN CUSTOMER ACCEPTANCE

Confirm the appliance is in a normal state. Check both BUI access and client data access.

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

Confirm there are no faults reported in the appliance BUI. Maintenance - Problems or Maintenance - Hardware (Mark Repaired any prior related DIMM faults). Should an error return for the same DIMM, reseat the DIMM and monitor the appliance for further errors.

PARTS NOTE:
371-4898 4GB Registered DDR3-1333 DIMM, 1.5V

371-4965 4GB Registered DDR3-1333 DIMM, 1.35V

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