C H A P T E R 4

Replacing Cold-Swappable Components

This chapter describes how to remove and replace field-replaceable units (FRUs) that must be cold-swapped in the Sun Netra T6340 Server Module.

The following topics are covered:

- Safety Information

- Common Procedures for Parts Replacement

- Removing and Replacing DIMMs

- Removing and Replacing the Service Processor

- Removing and Replacing the Service Processor Battery

- Removing the RAID Expansion Module

- Removing and Replacing a Fabric ExpressModule (FEM)

- Replacing the Compact Flash Module

- Replacing a RAID ExpressModule (REM) Battery Tray

- Finishing Component Replacement

##

4.1 Safety Information

This section describes important safety information you need to know prior to removing or installing parts in the Sun Netra T6340 Server Module.

For your protection, observe the following safety precautions when setting up your equipment:

- Follow all Sun standard cautions, warnings, and instructions marked on the equipment and described in Important Safety Information for Sun Hardware Systems, 816-7190.

- Ensure that the voltage and frequency of your power source match the voltage and frequency inscribed on the equipment’s electrical rating label.

- Follow the electrostatic discharge safety practices as described in this section.

### 4.1.1 Safety Symbols

The following symbols might appear in this manual, note their meanings:

| Caution - There is a risk of personal injury and equipment damage. To avoid personal injury and equipment damage, follow the instructions.

| Caution - Hot surface. Avoid contact. Surfaces are hot and might cause personal injury if touched.

| Caution - Hazardous voltages are present. To reduce the risk of electric shock and danger to personal health, follow the instructions.

### 4.1.2 Electrostatic Discharge Safety

Electrostatic discharge (ESD) sensitive devices, such as the motherboard, hard drives, and memory cards require special handling.

| Caution - The boards and hard drives contain electronic components that are extremely sensitive to static electricity. Ordinary amounts of static electricity from clothing or the work environment can destroy components. Do not touch the components along their connector edges.

#### 4.1.2.1 Using an Antistatic Wrist Strap

Wear an antistatic wrist strap and use an antistatic mat when handling components such as drive assemblies, boards, or cards. When servicing or removing server module components, attach an antistatic strap to your wrist and the other end to a metal area on the chassis. Do this after you disconnect the power cords from the server module. Following this practice equalizes the electrical potentials between you and the server module.

#### 4.1.2.2 Using an Antistatic Mat

Place ESD-sensitive components such as the motherboard, memory, and other PCB cards on an antistatic mat.

##

4.2 Common Procedures for Parts Replacement

Before you can remove and replace internal components, you must perform the procedures in this section.

### 4.2.1 Required Tools

You can service the Sun Netra T6340 Server Module with the following tools:

- Antistatic wrist strap

- Antistatic mat

### 4.2.2 Shutting Down the System

Performing a graceful shutdown ensures that all of your data is saved and that the system is ready for restart. This section describes procedures for using the ILOM CLI or the ILOM web interface to shut down the system.

1. Log in as superuser or equivalent.

Depending on the nature of the problem, you might want to view the system status, the log files, or run diagnostics before you shut down the system. For more information, refer to:

Sun Integrated Lights Out Manager 3.0 Supplement for Sun Netra T6340 Server Modules, 821-0903. This document describes ILOM information specific to the UltraSPARC and the Sun Netra T6340 Server Module. It also provides command comparisons of the ALOM CMT and ILOM CLI command sets.

2. Notify affected users.

Refer to your Solaris system administration documentation for additional information.

3. Save any open files and quit all running programs.

Refer to your application documentation for specific information on these processes.

4. Shut down the Solaris OS using the `shutdown` (1M) command.

5. Use either the ILOM web interface, or the ILOM CLI, to finish the shut down sequence as described in the following sections.

You can also press the power button on the front of the server module to initiate a graceful shutdown.

### 4.2.3 Shutting Down the Server Module Using the ILOM Web Interface

From the ILOM web interface (FIGURE 4-1).

1. Select the System Information tab.

2. Select the Components tab.

3. Select /SYS

4. In the Actions menu, choose the “Prepare to Remove” option.

FIGURE 4-1 Powering Off the Server Module With the ILOM Web Interface

### 4.2.4 Shutting Down the Server Module Using the ILOM CLI

1. Switch from the system (host) console to the ILOM `->` prompt by typing the `#.` (Hash-Period) key sequence.

    % #.
    ->

2. At the ILOM -> prompt, type the server module power off command.

    -> stop /SYS

If the server module fails to power off at this point, you might want to force the issue.

    -> stop -force /SYS

### 4.2.5 Preparing to Remove the Server Module

1. At the ILOM `->` prompt, type the `set /SYS/ prepare_to_remove_action=true` command and type `y` to confirm.

ILOM CLI, ILOM web interface, and ALOM-CMT command equivalents are described in Appendix D and Appendix E.

    -> set /SYS prepare_to_remove_action=true
    Are you sure you want to stop /SYS (y/n)? y
    Stopping /SYS

The blue blade ready to remove LED is illuminated.

The top white LED is the Locator LED. You can also set the white locator LED to blink:

    -> set /SYS/LOCATE value=fast_blink

Once you have located the server module, you can press the Locator LED to turn it off.

2. If a cable is connected to the front of the server module, disconnect it.

FIGURE 4-2 Disconnecting the Cable Dongle

Figure Legend
1 | USB 2.0 (2) connector
2 | RJ-45 Virtual Console connector
3 | 15-pin VGA Female connector

| Caution - The cable dongle is for temporary connections only. The cable dongle has not been evaluated for electromagnetic compatibility (EMC). The cable dongle or server module connectors could be damaged by rack doors or other impacts. Remove the cable dongle during normal system operation.

Note - If you are using the older 4-cable dongle (UCP-4), do not use the RJ-45 connector with the Sun Netra T6340 Server Module. Use the DB-9 connector for serial connections.

3. Open both ejector levers simultaneously (FIGURE 4-3).

FIGURE 4-3 Removing the Sun Netra T6340 Server Module From the Chassis

4. While pinching the release latches, slowly pull the server module forward and out of the chassis.

| Caution - Hold the server module firmly with both hands so that you do not drop it. The server module weighs up to approximately 19.8 pounds (9 kg).

| Caution - Do not stack server modules higher than five units tall. They might fall and cause damage or injury.

FIGURE 4-4 Stack Five Server Modules or Fewer

5. Set the server module on an antistatic mat.

6. Attach an antistatic wrist strap.

When servicing or removing server module components, attach an antistatic strap to your wrist and the other end to a metal area on the chassis.

FIGURE 4-5 Antistatic Mat and Wrist Strap

[ D ]

7. While pressing the top cover release button, slide the cover toward the rear of the server module about an inch (2.5 mm).

8. Lift the cover off the chassis.

##

4.3 Removing and Replacing DIMMs

This section describes how to remove and replace DIMMs.

### 4.3.1 Removing the DIMMs

LEDs indicate if a DIMM requires replacement.

- If the system is still powered on and installed in the chassis, see Memory Configuration and Fault Handling to determine if a DIMM requires replacement.

- If the server module is powered off, you can remove the server module from the chassis. Pressing the DIMM Locate button illuminates an LED next to the faulty DIMMs (FIGURE 4-6).

| Caution - Ensure that you follow antistatic practices as described in Electrostatic Discharge Safety.

1. Perform the procedures described in Common Procedures for Parts Replacement.

2. Locate the DIMMs that you want to replace (FIGURE 4-6).

The server module has a DIMM locate button on the motherboard. Press the DIMM locate button to illuminate the LEDs of the bad DIMMs.

FIGURE 4-6 DIMM Installation Rules

You can also use FIGURE 4-6 and TABLE 4-1 to identify the DIMMs that you want to remove.

TABLE 4-1 FB-DIMM Configuration
CPU # | Branch Name | Channel Name | FRU Name in ILOM Messages | Motherboard FB-DIMM Connector | FB-DIMM Installation Order[1]
--- | --- | --- | --- | --- | ---
CMP 0 | Branch 0 | Channel 0 | /SYS/MB/CMP0/BR0/CH0/D0 | J0501 | 8
|  | /SYS/MB/CMP0/BR0/CH0/D1 | J0601 | 16
|  |  | /SYS/MB/CMP0/BR0/CH0/D2 | J0701 | 24
|  | /SYS/MB/CMP0/BR0/CH0/D3 | J0801 | 24
|  | Channel 1 | /SYS/MB/CMP0/BR0/CH1/D0 | J0901 | 8
|  |  | /SYS/MB/CMP0/BR0/CH1/D1 | J1001 | 16
|  |  | /SYS/MB/CMP0/BR0/CH1/D2 | J1101 | 24
|  |  | /SYS/MB/CMP0/BR0/CH1/D3 | J1201 | 24
| Branch 1 | Channel 0 | /SYS/MB/CMP0/BR1/CH0/D0 | J1301 | 8
|  | /SYS/MB/CMP0/BR1/CH0/D1 | J1401 | 16
|  |  | /SYS/MB/CMP0/BR1/CH0/D2 | J1501 | 24
|  | /SYS/MB/CMP0/BR1/CH0/D3 | J1601 | 24
|  | Channel 1 | /SYS/MB/CMP0/BR1/CH1/D0 | J1701 | 8
|  |  | /SYS/MB/CMP0/BR1/CH1/D1 | J1801 | 16
|  |  | /SYS/MB/CMP0/BR1/CH1/D2 | J1901 | 24
|  |  | /SYS/MB/CMP0/BR1/CH1/D3 | J2001 | 24
CMP 1 | Branch 0 | Channel 0 | /SYS/MB/CMP1/BR0/CH0/D0 | J2401 | 8
|  | /SYS/MB/CMP1/BR0/CH0/D1 | J2501 | 16
|  |  | /SYS/MB/CMP1/BR0/CH0/D2 | J2601 | 32
|  | /SYS/MB/CMP1/BR0/CH0/D3 | J2701 | 32
|  | Channel 1 | /SYS/MB/CMP1/BR0/CH1/D0 | J2801 | 8
|  |  | /SYS/MB/CMP1/BR0/CH1/D1 | J2901 | 16
|  |  | /SYS/MB/CMP1/BR0/CH1/D2 | J2601 | 32
|  |  | /SYS/MB/CMP1/BR0/CH1/D3 | J2701 | 32
| Branch 1 | Channel 0 | /SYS/MB/CMP1/BR1/CH0/D0 | J3201 | 8
|  | /SYS/MB/CMP1/BR1/CH0/D1 | J3301 | 16
|  |  | /SYS/MB/CMP1/BR1/CH0/D2 | J3401 | 32
|  | /SYS/MB/CMP1/BR1/CH0/D3 | J3501 | 32
|  | Channel 1 | /SYS/MB/CMP1/BR1/CH1/D0 | J3601 | 8
|  |  | /SYS/MB/CMP1/BR1/CH1/D1 | J3701 | 16
|  |  | /SYS/MB/CMP1/BR1/CH1/D2 | J3801 | 32
|  |  | /SYS/MB/CMP1/BR1/CH1/D3 | J3901 | 32

Note - FB-DIMM names in ILOM messages are displayed with the full name, such as `/SYS/MB/CMP0/BR0/CH0/D0`.

3. Note the DIMM locations so that you can install the replacement DIMMs in the same sockets.

4. Push down on the ejector levers on each side of the DIMM connector until the DIMM is released.

FIGURE 4-7 Removing DIMMs

5. Grasp the top corners of the faulty DIMM and remove it from the system.

6. Place DIMMs on an antistatic mat.

### 4.3.2 Replacing the DIMMs

See Memory Configuration for complete memory configuration and installation rules.

| Caution - The DIMM rules must be followed. The server module might not operate correctly if the DIMM rules are not followed. Always use DIMMs that have been qualified by Sun.

1. Place the replacement DIMMs on an antistatic mat.

2. Remove any DIMM filler cards installed in the DIMM connectors in which you plan to install the new DIMMs.

3. Ensure that the connector ejector tabs are in the open position.

4. Line up a replacement DIMM with the connector.

Align the DIMM notch with the key in the connector.

a. Push each DIMM into a connector until the ejector tabs lock the DIMM in place.

b. Perform the procedures described in Finishing Component Replacement.

##

4.4 Removing and Replacing the Service Processor

The service processor controls the host power and monitors host system events (power and environmental). The service processor holds a battery for maintaining the Real Time Clock (RTC), and a socketed EEPROM for storing the system MAC addresses (and therefore the host ID).

| Caution - The service processor card can be hot. To avoid injury, handle it carefully.

### 4.4.1 Removing the Service Processor

1. Perform the procedures described in Common Procedures for Parts Replacement.

2. Lift up on the card ejector lever (FIGURE 4-9).

FIGURE 4-8 Removing the Service Processor

3. Slide the service processor out of the standoff bracket that holds the end of the service processor opposite the card connector.

4. Flip the service processor card over and place it on an antistatic mat.

5. Remove the system configuration PROM (NVRAM) (FIGURE 4-9) from the service processor card and place the PROM on an antistatic mat.

The socketed EEPROM attached to the Service Processor Card contains the system MAC addresses (and therefore the host ID).

The service processor also contains the ILOM configuration including the Service Processor IP addresses and ILOM user accounts, if configured. The MAC address (and host ID) will be lost unless the system configuration PROM (NVRAM) is removed from the old Service Processor card and installed in the replacement Service Processor Card. The ILOM configuration (IP address and user accounts) will be lost when the Service Processor Card is replaced.

The PROM does not hold the fault data, and the fault data will no longer be accessible when the service processor is replaced.

FIGURE 4-9 Removing the System Configuration PROM (NVRAM)

6. Retain the system configuration PROM to install it on the replacement service processor card.

### 4.4.2 Replacing the Service Processor

1. Remove the replacement service processor from the package and place it on an antistatic mat.

2. Install the system configuration PROM (NVRAM) that you removed from the faulty service processor.

The PROM is keyed to ensure proper orientation.

FIGURE 4-10 Replacing the Service Processor

3. Insert the service processor edge into the standoff bracket and carefully align the service processor so that each of its contacts is centered on a socket pin (FIGURE 4-10).

4. Push both rubber buttons firmly and evenly until the service processor is firmly seated in the connector socket.

5. Perform the procedures described in Finishing Component Replacement.

##

4.5 Removing and Replacing the Service Processor Battery

| Caution - Handle the components carefully to avoid damage.

### 4.5.1 Removing the Service Processor Battery

1. Perform the procedures described in Common Procedures for Parts Replacement.

2. Remove the service processor from the chassis as shown in Removing the Service Processor.

3. Place the service processor upside down on an antistatic mat.

4. Carefully use your fingernail to remove the battery (FIGURE 4-11) from the service processor.

FIGURE 4-11 Removing the Battery From the Service Processor

### 4.5.2 Replacing the Service Processor Battery

1. Remove the replacement battery from the package.

2. Press the new battery into the service processor (FIGURE 4-11) with the positive side (+) facing upward (away from the card).

3. Replace the service processor in the server module as shown in Replacing the Service Processor.

4. Perform the procedures described in Finishing Component Replacement.

5. Before you power on the host system, type the ILOM `set /SP/clock datetime` command to set the day and time.

For details about this command, refer to the Sun Integrated Lights Out Manager (ILOM) 3.0 Concepts Guide, 820-6410.

    -> set /SP/clock datetime=10
    Set ‘datetime’ to ‘102421532007.30’
    -> show
    /SP/clock
    	Targets
    	Properties:
    		datetime = Wed Oct 24, 21:53:38 2007
    		usentpserver = disabled
    ...

##

4.6 Removing the RAID Expansion Module

| Caution - Avoid excess strain on the REM edges. Lift as close to the connector as possible.

1. Perform the procedures described in Common Procedures for Parts Replacement.

2. Lift up on the REM ejector lever (FIGURE 4-12).

3. Lift the REM free from the connector.

4. Lift the REM free from the plastic standoff.

FIGURE 4-12 Removing the RAID Expansion Module

5. Set the REM aside on an antistatic surface.

### 4.6.1 Replacing the RAID Expansion Module

1. Slide the end of the REM opposite the connector under the tabs of the plastic standoff (FIGURE 4-13).

2. Press firmly on the rubber button on the top of the REM until its connector fully engages the connector on the motherboard.

FIGURE 4-13 Replacing the RAID Expansion Module

3. Perform the procedures described in Finishing Component Replacement.

##

4.7 Replacing a RAID ExpressModule (REM) Battery Tray

Some REMs receive backup battery support from a replaceable battery tray installed in place of the HDD1 internal hard drive.

### 4.7.1 Removing a REM Battery Tray

1. Identify the physical location of the battery tray (FIGURE 4-14).

FIGURE 4-14 Removing a REM Battery Tray

2. Disconnect the battery cable from the REM Battery Tray connector (FIGURE 4-14).

3. Press down on the battery tray latch (circled) on the upper left side of the module case, and slide the module straight out of the drive slot.

4. Set the battery tray aside on an antistatic surface.

### 4.7.2 Replacing a REM Battery Tray

1. Slide the module into the bay until the latch clicks in place (FIGURE 4-15.).

FIGURE 4-15 Replacing a REM Battery Tray

2. Connect the battery cable to the cable connector at the back of the REM Battery Tray (FIGURE 4-15).

3. Perform the procedures described in Finishing Component Replacement.

##

4.8 Removing and Replacing a Fabric ExpressModule (FEM)

| Caution - Handle the components carefully to avoid damage.

### 4.8.1 Removing the Fabric ExpressModule (FEM)

| Caution - The FEM can be hot. To avoid injury, handle it carefully.

1. Perform the procedures described in Common Procedures for Parts Replacement.

2. Lift the handle of the FEM ejector to release the FEM from the motherboard connector (FIGURE 4-16).

FIGURE 4-16 Removing a Fabric ExpressModule (FEM)

3. Lift the FEM free from the plastic standoff (FIGURE 4-16).

4. Place the FEM on an antistatic mat.

### 4.8.2 Replacing a Fabric ExpressModule (FEM)

1. Remove the replacement FEM from the package and place it on an antistatic mat.

FIGURE 4-17 Replacing the Fabric ExpressModule (FEM)

2. Insert the FEM edge into the bracket and carefully align the FEM so that its contacts are centered on motherboard connector (FIGURE 4-17).

3. Press firmly on the rubber buttons on the top of the FEM until its connectors fully engage the connectors on the motherboard.

4. Perform the procedures described in Finishing Component Replacement.

##

4.9 Replacing the Compact Flash Module

| Caution - Handle the components carefully to avoid damage.

1. Perform the procedures described in Common Procedures for Parts Replacement.

2. Remove an installed Compact Flash module by pressing it down and then pulling it straight out from its connector on the server module’s motherboard (FIGURE 4-18).

FIGURE 4-18 Replacing a Compact Flash Module

3. Place the Compact Flash module aside on an antistatic surface.

4. Insert the new replacement Compact Flash module straight into the connector on the server module’s motherboard (FIGURE 4-18).

The Compact Flash module connector is keyed; the Compact Flash module will only fit in the correct orientation.

5. Firmly push the Compact Flash module straight into the connector, until the module is securely seated in the connector.

6. Perform the procedures described in Finishing Component Replacement.

##

4.10 Finishing Component Replacement

### 4.10.1 Replacing the Cover

1. Place the cover on the chassis.

Set the cover down so that it hangs over the rear of the server module by about an inch (2.5 mm).

2. Slide the cover forward until it latches into place (FIGURE 4-19).

FIGURE 4-19 Replacing the Cover

### 4.10.2 Reinstalling the Server Module in the Chassis

| Caution - Hold the server module firmly with both hands so that you do not drop it. The server module weighs approximately 19.8 pounds (9 kg).

1. Turn the server module over so that the ejector levers are on the right side.

2. Slide the server module into the chassis.

3. Close both latches simultaneously, locking the server module in the chassis.

- The server module powers on with 3.3V standby power.

- The ILOM software boots.

You can either press the Power button to fully power on the server module, type the ILOM command `start /SYS`, or use the ALOM-CMT `poweron` command.

Inserting the Server Module in the Chassis

FIGURE 4-20 Inserting the Server Module in the Chassis

FIGURE 4-20 shows the server module being inserted into the chassis, and latches closing simultaneously.

Note - The sever module power on process can take five or more minutes to complete, depending on the amount of installed memory, diagnostic level set, and possibly other factors.

1 (TableFootnote) Upgrade path: DIMMs should be added with each group populated in the order shown.

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