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Asset ID: 1-71-2022844.1
Update Date:2017-10-03
Keywords:
Solution Type  Technical Instruction Sure

Solution  2022844.1 :   M7-16 How to replace an eXternal Interconnect Assembly [VCAP]  

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  • SPARC M7-16
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  • PLA-Support>Sun Systems>Sun_Other>Sun Collections>SN-OTH: SPARC-CAP VCAP
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This document describes how to replace an M7 eXternal Interconnect Assembly, also known as a truss.  The M7 eXternal Interconnect assemblies contain the Scalability LINKs (SLINKs) which connect either the upper or lower M7 CMIOU chassis to the SWitch Unit (SWU) chassis.

In this Document
Goal
Solution
References

Oracle Confidential PARTNER - Available to partners (SUN).
Reason: M7 FRU CAP

Applies to:

SPARC M7-16 - Version All Versions and later
Information in this document applies to any platform.

Goal

CAP PROBLEM OVERVIEW: M7-16 eXternal Interconnect Assembly replacement - eXternal Interconnect Assembly failure

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To report errors or request improvements on this procedure, please go to
My Oracle Support, and put a comment on Doc ID: 2022844.1

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ESD Caution:

  • Circuit boards and drives contain electronic components that are  extremely sensitive to static electricity. Ordinary amounts of static electricity from clothing or the work environment can destroy the components located on these boards. Do not touch the components along their connector edges.
  • Use a Antistatic Wrist strap. Attach one end of the strap to your wrist and the other end to the chassis, depending on what type of strap you use, with the adhesive end or the metal plug.
  • Use an Antistatic Mat. Place ESD-sensitive components such as motherboards, memory, and other PCBs on an antistatic mat.

 

Contamination Caution:

  • Dust particles of packaging material are number one cause of datacenter contamination. Make sure to remove all packaging material, up to the ESD safe packaging material, while still being outside the datacenter.

Solution

 

DISPATCH INSTRUCTIONS

WHAT SKILLS DOES THE ENGINEER NEED: M7-16 Product Training/Experience

TASK COMPLEXITY: 4

TIME ESTIMATE: 120 minutes

COLD replacement

FIELD ENGINEER INSTRUCTIONS

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

Physical Domains must be shut down. Server must be powered off. 

WHAT ACTION DOES THE ENGINEER NEED TO TAKE:

 

Determine which eXternal Interconnect assembly requires service

These assemblies will not be flagged by FMA and should only be replaced under advisement of an M7 product specialist

Power off the server and switch off the all PDU circuit breakers

 

1. Power down the server (requires Oracle ILOM Reset and Host Control (r) user role)

  1. -> stop /System
  2. Stopping the server can take some time, and you must wait until the following message appears on the host(s) console before proceeding to the next step.
    -> SP NOTICE: Host is off

2. Remove power using the circuit breakers on the appropriate PDU. Turn breakers off in the following sequence :

R4, R5, L5, L4
R0, R1, R2, L8, L7, L6
R6, R7, R8, L2, L1, L0

    where R indicates the right PDU from the rear of the server, L indicates the left PDU from the rear of the server, and the number represents the PDU group number.

Caution - Because standby power is always present in the server, you must switch off the circuit breakers on the PDUs before accessing any cold-serviceable components.

2. Locate the eXternal Interconnect Assembly to be replaced, and note whether it connects the SWU to the upper or lower CMIOU.

    Remove the cover plates (rack filler panels) above and below the SWU chassis along with the top or bottom cover plate depending upon which CMIOU chassis is involved.

3. From the rear of the server, unseat all SWitch Unit (SWU) boards and all CMIOU boards in the affected chassis (top or bottom) about 4 inches (10cm). 

  1. See M7-16 How to replace a Faulty Switch Unit in a Switch Chassis (Doc ID 1987712.1)
  2. See M7-8 / M7-16 - How to replace a Faulty CMIOU in a CMIOU chassis (Doc ID 1951961.1)

4. Back out four screws which hold the eXternal Interconnect Assembly to the CMIOU and SWU chassis.

    These are captive screws and will be retained in the eXternal Interconnect Assembly FRU.

    When unscrewed, the top screw for each chassis will pop out, and when pushed in will open a latch to free the eXternal Interconnect Assembly from the SWU or CMIOU chassis.

5. Push in the top screw at each end of the eXternal Interconnect Assembly and gently pull that end out using either the center finger hold or the bottom screw.

6. Once each end of the eXternal Interconnect Assembly is free, pull the entire assembly free from the system.  Take care not to bend the assembly, and support both top and bottom ends.

 
 

Install the new eXternal Interconnect Assembly

Reinstall components you removed to service the assembly

1. Re-insert all of the CMIOU and SWU boards which were backed out.

  1. See M7-16 How to replace a Faulty Switch Unit in a Switch Chassis (Doc ID 1987712.1)
  2. See M7-8 / M7-16 - How to replace a Faulty CMIOU in a CMIOU chassis (Doc ID 1951961.1)

 

Switch on the appropriate PDU circuit breakers and power on the server

1. Switch on PDU Circuit Breakers. Turn breakers on in the following sequence.


R4, R5, L5, L4
R0, R1, R2, L8, L7, L6
R6, R7, R8, L2, L1, L0

    where R indicates the right PDU from the rear of the server, L indicates the left PDU from the rear of the server, and the number represents the PDU group number.

2. As soon as PDU circuit breakers are switched on, standby power is applied, and the SP boots.

 

Return the faulted component to Oracle.

  1. If the replacement included safety covers on the connectors, install the covers on the component that you are
  2. In the shipping container that contained the replacement component:
    1. Using the same material used to pack the replacement component, position the component so that it is not free to move.
    2. Add any required paperwork or other documentation in the container.
    3. Except when packing CMIOUs, include any tools that were loaned to you by Oracle. Do not place tools inside a container that is being used to return a CMIOU.
  3. Close the shipping container and seal it with the packaging tape supplied by Oracle.
  4. Apply the shipping label to the shipping container.
  5. Notify Oracle or an authorized shipper that the carton container is ready for pickup.

 

OBTAIN CUSTOMER ACCEPTANCE

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

1. When SP ILOM is available, verify that there is no faulty components

  1. -> show faulty
  2.  -> show /System/Open_Problems
  3.  faultmgmtsp> fmadm faulty

2. Start the server by running the ILOM command "start /System" (requires Oracle ILOM Reset and Host Control (r) user role).

 

======================== Other info =====================

REFERENCE INFORMATION:  Service Manual: http://docs.oracle.com/cd/E55211_01/html/E55215/index.html


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