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OceanStor 9000 V5 7.0 Parts Replacement 05

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Replacing a Fan Module in the Chassis

Replacing a Fan Module in the Chassis

This section describes how to replace a fan module in the P36/C36 chassis.

Impact on the System

The P36/C36 must be powered off before replacement of a fan module. Therefore, the services running on the P36/C36 will be affected. Perform this operation with caution.

Prerequisites

  • A new fan module is available.
  • The faulty fan is located.
  • The fan module is in the middle of the main control board enclosure. You need to remove the main control board enclosure first.

Precaution

  • Only professional technical engineers are allowed to replace fans.
  • Each P36/C36 has two power supplies. Ensure that both power supplies are disconnected.

Tools and Materials

  • Phillips screwdriver
  • ESD gloves
  • ESD wrist strap
  • ESD bag
  • Scissors
  • Tie (used to bind cables of the fan)
  • Labels

Procedure

  1. Wear the ESD wrist strap or gloves. For details, see Wearing an ESD Wrist Strap in Replacing a Main Control Board Enclosure.
  2. Use KVM to log in to the OS as user root (default password is Root@storage), then run poweroff to poweroff the node and wait for the shutdown to complete.

    Wait for the KVM screen to have no output, indicates that the shutdown has been completed.

  3. Label the cables on the P36/C36 and disconnect the P36/C36 from the power sockets and other devices. Execute the shutdown command through the operating system to power off the P36/C36. Disconnect the power socket from other devices.
  4. Move the P36/C36 out of the cabinet to an ESD workbench.

    NOTE:
    • When you remove the P36/C36 chassis out of the cabinet, take out the disk modules first to reduce the overall weight. For details about how to remove the disk modules, see 2 to 5 in Replacing a Service Disk Module.
    • Place the removed disk modules on an ESD workbench in order and label the disk modules.

    The following is the procedure for removing the P36/C36 out of the cabinet:

    1. Loosen the two screws that fix the P36/C36 to the cabinet counterclockwise, as shown in step 1 in Figure 8-17.
    2. Hold the handles on both sides of the P36/C36 and pull out the chassis slowly, as shown in step 2 in Figure 8-17.
      NOTE:
      • Ensure that the handles on both sides of the P36/C36 are intact before you pull out the chassis.
      • Arrange three persons to carry the P36/C36 after it is removed form the cabinet.
    Figure 8-17  Removing the P36/C36 from the cabinet

  5. Take out the main control board enclosure. For details, see 4 in Replacing a Fan Module in the Main Control Board Enclosure.
  6. Open the chassis cover.

    1. Loosen the six screws that fix chassis counterclockwise, as shown in step 1 in Figure 8-18.
    2. Remove the cover forward, as shown in step 2 in Figure 8-18.
    Figure 8-18  Removing the chassis cover of the P36/C36

  7. Remove the fan module.

    NOTE:
    The six fans are divided into three groups. You only need to replace the faulty group.
    1. Loosen the 2 screws that fix the fan module to the chassis counterclockwise, as shown in step 1 in Figure 8-19.
    2. Disconnect the cables between the fan module and mainboard in order.
    3. Remove the fan module upward, as shown in step 2 in Figure 8-19.
    Figure 8-19  Removing the fan module in the P36/C36 chassis

  8. Put the removed fan module in an ESD bag.
  9. Take the fan module to be installed out of the ESD bag.
  10. Install the fan module in the P36/C36 chassis.
  11. Connect the cables between the fan module and mainboard in order.
  12. Fasten the screws to fix the fan module.
  13. Install the chassis cover.

    1. Push the cover in position, as shown in step 1 in Figure 8-20.
    2. Fasten the six screws clockwise to secure the cover, as shown in step 2 in Figure 8-20.
    Figure 8-20  Installing the chassis cover of the P36/C36

  14. Install the main control board enclosure. For details, see 11 in Replacing a Fan Module in the Main Control Board Enclosure.
  15. Install the P36/C36 into the cabinet.

    1. Slide the chassis along the guide rails into the cabinet, as shown in step 1 in Figure 8-21.
    2. Fasten the screws clockwise to fix the P36/C36 to the cabinet, as shown in step 2 in Figure 8-21.
    Figure 8-21  Installing the P36/C36 into the cabinet

    NOTE:

    After you have installed the P36/C36 into the cabinet, install the disk modules into the chassis. For details about how to install a disk module, see 6 to 9 in Replacing a Service Disk Module.

  16. According to the labels, connect the P36/C36 to the power socket and other devices. Then power on the P36/C36.
  17. Log in to the device management software. Choose Device Management > Device Info and check the fan status.

    • If the status is Normal, the installation is successful.
    • If the status is Fault, the new fan module may be incorrectly installed. Remove and reinstall the fan module.
    Figure 8-22  operating status of the P36/C36 fan module

    NOTE:
    Fan modules 1 to 5 are fans of the main control board enclosure and fan modules 6 to 11 are internal fans of the chassis.

Follow-up Procedure

After replacing the fan, label the removed fan module for subsequent handling.

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Updated: 2019-07-25

Document ID: EDOC1100067965

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