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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

Replacing a Fan Module

Fan modules dissipate heat and support area-based fan speed adjustment.

Impact on the System

Before replacing a fan module, you must power off the storage node. This will adversely affect services running on the node. Exercise caution when performing this operation.

Prerequisites

  • Before removing a fan module, you must remove the enclosure cover of the node.
  • The replacement fan module is ready.
  • The faulty fan module has been located.

Precaution

  • Only professional technical support engineers are allowed to replace a fan module.
  • A storage node has two power modules. Ensure that both are disconnected.

Tools and Materials

  • Flat-head screwdrivers
  • Electrostatic discharge (ESD) gloves
  • ESD wrist straps
  • ESD bags
  • Small scissors
  • Cable ties (used to bind the cables of a fan module)
  • Labels

Procedure

  1. Wear an ESD wrist strap or ESD gloves.
  2. Use the KVM to log in to the operating system of the node, enter user name root and its password (default: Root@storage), and run poweroff command to power off the node.

    Wait until the KVM has no output. The power-off is complete.

  3. Remove all power cables and external signal cables.
  4. Remove the storage node from the enclosure.
    1. Loosen the captive screws on the storage node panel using a screwdriver, as shown in step 1 in Figure 5-15.

      Figure 5-15  Pulling out a storage node

    2. Pull out the storage node along the guide rails away from the cabinet, as shown in step 2 in Figure 5-15.
    3. Push the release button upward, and remove the storage node with the inner rails. See Figure 5-16. Note that four people are required to lift the storage node.

      Figure 5-16  Removing the storage node from the holding rails

  5. Remove the enclosure cover.
    1. Use a flat-head screwdriver to loosen the latch that secures the ejector lever of the enclosure cover, as shown in step 1 in Figure 5-17.
    2. Open the ejector lever to push the enclosure cover backwards, as shown in step 2 in Figure 5-17.

      Figure 5-17  Removing an enclosure cover

  6. Lift the air duct according to the signs on the air duct, as shown in Figure 5-18.

    Figure 5-18  Removing the air duct

  7. Remove the fan module.
    1. Press the latches on both sides of the fan module to unlock it, as shown in step 1 in Figure 5-19.

      Figure 5-19  Removing a fan module

    2. Lift the fan module slowly, as shown in step 2 in Figure 5-19.
    3. When the fan module is loose, remove it from the slot.
  8. Place the removed fan module in an ESD bag.
  9. Take the spare fan module out of its ESD bag.
  10. Insert the fan module along the guide rails into the slot until you hear a click. Check that the fan cable connector is securely inserted into the mainboard connector, as shown in Figure 5-20.

    Figure 5-20  Installing a fan module

  11. Align the positioning pins on the air duct with the fixing holes on the mainboard by following the instructions on the enclosure, and vertically place the air duct downwards, as shown in Figure 5-21.

    Figure 5-21  Installing an air duct

  12. Install the enclosure cover.
    1. Place the enclosure cover horizontally, align it with the fixing slots on both side panels of the enclosure, and close the ejector lever, as shown in steps 1 and 2 in Figure 5-22.

      Figure 5-22  Installing an enclosure cover

    2. Use a flat-head screwdriver to tighten the latch in order to secure the ejector lever of the enclosure cover, as shown in step 3 in Figure 5-22.
  13. Put the storage node into the cabinet.
    1. Lift the storage node, align the inner rails with the holding rails, and push the storage node into the rack. See Figure 5-23. Note that four people are required to lift the storage node.

      Figure 5-23  Installing the storage node

    2. Press the release buttons on both sides, and push the storage node into the cabinet until the storage node cannot move forward, as shown in Figure 5-24.

      Figure 5-24  Pushing the storage node into the cabinet

    3. Tighten the captive screws on the mounting ears to secure the storage node, as shown in Figure 5-25.

      Figure 5-25  Securing a storage node

  14. Connect the storage node to the power sockets and peripheral devices according to the cable connection labels. Then power on the storage node.
  15. Log in to the GUI of iBMC on the storage node. Choose Information > System Info > Fan and query the fan status to check whether the fan is successfully replaced.

    • If yes, information about the new fan will be included in Fan.
    • If no, no information about the new fan will be included in Fan. You need to reperform 2 to 15. If there is still no information about the fan, contact Huawei technical support.

  16. Inspect the system using SmartKit. Choose Home > Storage > Routine Maintenance > More > Inspection to check the system status. For details, see the OceanStor 9000 V5 Routine Maintenance.

    • If all inspection items are successful: The inspection is successful.
    • If some inspection items fail the inspection: The inspection is failed. Rectify the faults by taking recommended actions in the inspection reports. You need to reperform inspection after rectifying. If the inspection is still failed, contact Huawei technical support.

Follow-up Procedure

After replacing the fan module, label the replaced fan module to facilitate subsequent operations.

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Updated: 2019-07-25

Document ID: EDOC1100067965

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