Oracle Server X5-4
 

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Applies to:

Goal

How to Replace an Oracle Server X5-4 PCIe NVMe Switch Card Cable.

Solution

DISPATCH INSTRUCTIONS

WHAT SKILLS DOES THE FIELD ENGINEER/ADMINISTRATOR NEED?:
Oracle Server X5-4 Training

TIME ESTIMATE: 30 minutes

TASK COMPLEXITY: 1

FIELD ENGINEER/ADMINISTRATOR INSTRUCTIONS:

PROBLEM OVERVIEW: An Oracle Server X5-4 PCIe NVMe Switch Card Cable needs replacement

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

If the system is still up and functioning, customer should perform an orderly and graceful shutdown of applications and OS.  Then power off the server and remove the AC power cords from the system.

A data backup is not a prerequisite but is a wise precaution.

WHAT ACTION DOES THE ENGINEER NEED TO TAKE:

PCIe Slot Location and Identification:
https://docs.oracle.com/cd/E56388_01/html/E56396/gnhdb.html#XOSSMgnmni

1. Prepare the server for service.

1. Power off the server and disconnect the power cords from the power supplies.
2. Extend the server to the maintenance position in the rack.
3. Attach an anti-static wrist strap.
4. Remove the top cover.

2. Remove the P0 MR0/MR1 memory risers.

1. This gives you room to access the cables for removal.

3. Disconnect the four NVME cables (0 through 3) from the switch card in PCIe slot 1.

1. If needed, first remove the NVMe Switch card from its PCIe slot to gain better access to the cable connectors.

4. Disconnect the four NVMe cables (0 through 3) from the disk backplane board.

5. Remove the NVMe cables from the air divider, as follows.

1. Detach the NVMe, HBA, and ESM cables from the three cable clips on the memory riser side of the air divider.
2. Then, carefully lift the cables up and out of the cable slot [B] in the air divider that provides access to the disk backplane area.
3. There are three clips, NVMe cables attached to each.
4. Once the NVMe cables are clear of the air divider clips, gently pry the air divider cable shield away from the power supply just enough to allow you to slide out the NVMe cables.
5. The NVMe cables need to be completely free of the air divider.

6.  Carefully thread the ends of NVMe cables you detached from the NVMe Switch card through the narrow space between the P0 heat sink and the power supply cage and up and out of the system.

1. The space between the P0 heat sink and the power supply cage is narrow, the NVMe cable connectors will only fit through one way.

7.  To install the replacement cables, carefully thread the NVMe Switch card end of the cables through the narrow space between the P0 heat sink and the power supply cage.

8.  Reconnect the NVMe cables to the NVMe Switch card.

1. If needed, reinstall the NVMe Switch card in PCIe slot 1 if you removed it earlier.

9. Reroute the NVMe cables through the air divider to the disk backplane area.

10.  Reconnect the NVMe cables to their connectors on the disk backplane.

1. Any excess cable length should be in the PCIe card area to allow better air flow through the disk backplane area.

11.  Reinstall the P0 MR0/MR1 memory risers you removed earlier.

12. Return the Server to operation:

1. Replace the top cover.
2. Remove any anti-static measures that were used.
3. Return the server to it's normal operating position within the rack.
4. Re-install the AC power cords and any data cables that were removed but not yet re-attached.
5. Power on the server. Verify that the Power/OK indicator led lights steady on.

OBTAIN CUSTOMER ACCEPTANCE

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

Boot up system and verify full functionality

REFERENCE INFORMATION:

Oracle Server X5-4 Documentation:  https://docs.oracle.com/cd/E56388_01/html/E56396/gphzq.html#scrolltoc

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