| Sun Fire X4170 M2 Server Service Manual |    
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| C H A P T E R 3 |
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Servicing Customer-Replaceable Devices |
This chapter describes how to replace the hot-swappable and hot-pluggable customer-replaceable units (CRUs) in the Sun Fire X4170 M2 Server.
The following topics are covered in this section:
Devices that are hot-pluggable, unlike hot-swappable devices, require actions in addition to physical removal and replacement.
Hot-pluggable devices are those devices that you can remove and install while the server is running. However, you must perform one or more administrative tasks before and/or after installing the hardware (for example, mounting a storage drive).
In the Sun Fire X4170 M2 Server, storage drives are hot-pluggable. To hot-plug a drive you must take the drive offline (to prevent any applications from accessing it and to remove the logical software links to it) before you can safely remove it. See Servicing Storage Drives.
Hot-swappable devices are those devices that can be removed and installed while the server is running without requiring any administrative tasks (for example, fan modules and power supplies).
In the Sun Fire X4170 M2 Server, the following devices are hot-swappable:
| Note - The chassis-mounted storage drives can be hot-swappable, depending on how they are configured. See Servicing Storage Drives. |
The following topics are covered in this section:
FIGURE 3-1 shows the physical drive locations for a Sun Fire X4170 M2 Server with eight 2.5-inch hard disk drives.
FIGURE 3-1 Storage Drive Locations
FIGURE 3-2 shows the storage drive status LEDs.
FIGURE 3-2 Storage Drive Status LEDs
Storage drives can be hot-plugged or cold-plugged (removed when power is off). Storage drives in the server might be hot-pluggable, depending on the storage drive configuration.
To hot-plug a drive, you must take the drive offline (to prevent any applications from accessing it, and to remove the logical software links to it) before you can safely remove it.
1. Identify the storage drive you wish to remove.
The amber Service Action Required LED might be lit. For specific drive locations, see Server Storage Drive Locations.
2. Determine whether the storage drive can be hot-plugged or cold-plugged.
The following conditions might prevent you from hot-plugging a drive. You must power off the server, if the storage drive:
You must take the drive offline before you can safely remove it. This removes the logical software links to the drive and prevents any applications from accessing it. For information on how to take a storage drive offline, see TABLE 3-2.
Note - Open the book PDF file and search on “drive offline.” |
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Note - Open the book PDF file and search on “drive offline.” |
You must power off the server before you can safely remove the storage drive. Complete one of the procedures described in Power Off the Server.
4. On the drive you plan to remove, push the storage drive release button to open the latch (FIGURE 3-3 [1]).
5. Grasp the latch [2] and pull the drive out of the drive slot [3].
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Caution - The latch is not an ejector. Do not bend it too far to the right. Doing so can damage the latch. |
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Caution - Whenever you remove a storage drive, you should replace it with another storage drive or a filler panel; otherwise, the server might overheat due to improper air flow. For instructions for installing a storage drive filler panel, see Filler Panel Removal and Installation. |
FIGURE 3-3 Locating the Storage Drive Release Button and Latch
Installing a storage drive into a server is a two-step process. You must first install a storage drive into the drive slot, and then configure that drive to the server.
1. If necessary, remove the blank panel from the chassis.
The server might have blank panels covering unoccupied storage drive slots.
2. Determine the drive slot location for the replacement storage drive.
If you removed an existing storage drive from a slot in the server, you must install the replacement drive in the same slot as the drive that was removed. Storage drives are physically addressed according to the slot in which they are installed. See FIGURE 3-1 for storage drive locations.
3. Slide the drive into the drive slot until it is fully seated (FIGURE 3-4).
FIGURE 3-4 Installing a Storage Drive
4. Close the latch to lock the drive in place.
For configuration information, refer to TABLE 3-3.
Note - Open the book PDF file and search on “drive offline.” |
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Note - Open the book PDF file and search on “drive offline.” |
Restore power to the server. Complete the procedure described in Powering On the Server.
The following topics are covered in this section:
The fan modules are located under the top cover door. Each fan module contains four fans mounted in an integrated, hot-swappable customer replaceable unit (CRU). The Sun Fire X4170 M2 Server has four fan modules that provide N+1 cooling redundancy.
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Caution - While the fan modules do provide some cooling redundancy, if a fan module fails, replace it as soon as possible to maintain server availability. |
The following LEDs indicate the status of the fan modules:
The system Overtemp LED might light if a fan fault causes an increase in system operating temperature. See Server Front Panel Features for more information about identifying and interpreting system LEDs.
Each fan module contains one bicolored LED that is visible when you open the top cover fan door. FIGURE 3-5 shows the location of each fan module status LEDs.
TABLE 3-4 describes fan module status LEDs and their functions.
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Caution - Hazardous moving parts.When removing the fans, be careful of the fan blades. |
1. Extend the server into the maintenance position.
See Extending the Server to the Maintenance Position.
2. To access the fans, open the top cover fan door.
To release the fan door, push the top cover release tabs toward the back of the server and lift the door to the open position.
3. Identify the faulty fan module(s).
Each fan module has a status LED on top. If the LED is amber, the fan has failed. The location of the fan LED status LED is shown in FIGURE 3-5.
4. Remove the faulty fan module(s).
a. Using your thumb and forefinger, grasp the fan module in the finger recesses located in the white plastic between the fans and compress the fan module release latch (FIGURE 3-6).
b. Lift the fan module straight up and out of the fan board (FIGURE 3-6).
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Caution - When removing a fan module, do not rock it back and forth. Rocking the fans module can cause damage to the fan board connectors. |
FIGURE 3-6 Removing a Fan Module
1. With the top cover door open, install the replacement fan module into the server (FIGURE 3-7).
The fan modules are keyed to ensure that they are installed in the correct orientation.
FIGURE 3-7 Installing a Fan Module
2. Press down on the fan module and apply firm pressure to fully seat the fan module.
3. Verify that the Fan status LED on the replaced fan module is lit green.
5. Verify that the TOP FAN LED on the front of the server and the Service Action Required LEDs on the front and rear of the server are extinguished.
See Server Front Panel Features and Server General Status Indicators for more information about identifying and interpreting system LEDs.
6. Return the server to the normal rack position.
See Returning the Server to the Normal Rack Position.
If your server is equipped with two power supplies, then the power supplies are hot-swappable. This is because the power supplies are redundant, that is, the server only needs one power supply to operate. Redundant power supplies enable you to remove and replace a power supply without shutting the server down, provided that the other power supply is online and working.
| Note - If a power supply fails and you do not have a replacement available, to ensure proper airflow, either leave the failed power supply installed in the server or remove the failed power supply and install a filler panel. For instructions for installing filler panels, see Filler Panel Removal and Installation. |
See Power Supply LED Reference for specific information about power supply status LEDs.
The following topics are covered:
The following LEDs are lit when a power supply fault is detected:
See Server Front Panel Features and Server General Status Indicators for more information about identifying and interpreting system LEDs.
Each power supply contains three status LEDs on the back panel (FIGURE 3-8). TABLE 3-5 provides a description of the power supply LEDs.
FIGURE 3-8 Power Supply Status LEDs
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Caution - Hazardous voltages are present.To reduce the risk of electric shock and danger to personal health, follow the instructions. |
1. Identify which power supply (0 or 1) requires replacement.
A lit Service Action Required LED on a power supply indicates that a failure was detected.
2. Gain access to the rear of the server where the faulty power supply is located.
3. Release the cable management arm (CMA) (FIGURE 3-9).
The CMA is located at the rear of the server rack.
FIGURE 3-9 Releasing the Cable Management Arm
a. Press and hold the CMA release tab.
b. Rotate the cable management arm out of the way so that you can access the power supply.
4. Disconnect the power cord from the faulty power supply.
5. Grasp the power supply handle and press the release latch (FIGURE 3-10).
6. Pull the power supply out of the chassis.
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Caution - Whenever you remove a power supply, you should replace it with another power supply or a filler panel; otherwise, the server might overheat due to improper airflow. For instructions for installing a power supply filler panel, see Filler Panel Removal and Installation. |
FIGURE 3-10 Releasing a Power Supply
1. Align the replacement power supply with the empty power supply chassis bay.
2. Slide the power supply into the bay until it is fully seated.
3. Reconnect the power cord to the power supply.
Verify that the AC Present LED is lit.
4. Close the CMA, inserting the end of the CMA into the rear left rail bracket (FIGURE 3-9).
5. Verify that the following LEDs are extinguished:
See Server Front Panel Features and Server General Status Indicators for more information about identifying and interpreting system LEDs.
| Sun Fire X4170 M2 Server Service Manual | E22369-02 |
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