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OceanStor 9000 V100R001C30 Parts Replacement 14

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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 System Enclosure

Replacing a System Enclosure

This section explains how to replace a storage node by replacing system enclosure for a P12.

Impact on the System

The P12 must be powered off before replacement of a system enclosure. Therefore, the services running on the P12 will be affected. Perform this operation with caution.


  • The replacement system enclosure is ready.
  • The cable connections have been labeled.


  • Only qualified technical support engineers are allowed to replace a system enclosure.
  • Ensure that both power supplies of the P12 have been shut down.

Tools and Materials

  • Phillips screwdriver
  • ESD gloves
  • ESD wrist strap
  • ESD bag
  • Labels


  1. Wear the ESD wrist strap and ESD gloves. Accomplish the following steps to wear an ESD wrist strap:

    1. Stretch your hand through the ESD wrist strap.
    2. Fasten the buckle and ensure that the ESD wrist strap fully touches the skin.
    3. The ESD wrist strap can be classified into the ESD wrist strap with a plug and the ESD wrist strap with a metal clip.

      • Insert the plug of the ESD wrist strap into the ESD socket of the cabinet.

      • Clip the metal clip of the wrist strap to the square hole on the side of the cabinet.

    4. Ensure that the buckle of the wrist strap is fastened and the plug is inserted tightly into the ESD socket or the metal clip is tightly clipped to the square hole on the cabinet.

  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 cable connections between the P12 and power sockets and peripheral devices. Then disconnect the cables.
  4. Remove the storage node from the rack.
    1. Use a Phillips screwdriver to remove the M6 screws from the mounting ears, as shown in step 1 in Figure 2-75.
    2. Pull the storage node out of the cabinet along guide rails and place the storage node on an ESD table, as shown in step 2 in Figure 2-75.

    Figure 2-75  Removing a storage node

  5. Take the new system enclosure out of its ESD bag.
  6. Remove main control board enclosure, power modules and service disk modules in the system enclosure that you want to replace and reinstall them in the new system enclosure.
    1. Remove main control board enclosure in the system enclosure that you want to replace and reinstall it in the new system enclosure, as shown in Figure 2-76 and Figure 2-77.

      Figure 2-76  Removing the main control board enclosure

      Figure 2-77  Installing the main control board enclosure

    2. Remove power modules in the system enclosure that you want to replace and reinstall them in the new system enclosure, as shown in Figure 2-78 and Figure 2-79.

      Figure 2-78  Removing a power module (AC)

      Figure 2-79  Installing a power module (AC)

    3. Remove all service disk modules from the system enclosure that you want to replace and insert them into the new system enclosure in original sequence, as shown in Figure 2-80 and Figure 2-81.

      Figure 2-80  Removing a disk module

      Figure 2-81  Installing a service disk module

      Insert the service disk modules into the same slots in the storage node as in the replaced storage node. Otherwise, system services may be affected.

  7. Mount the storage node.
    1. Slide the storage node into the cabinet along guide rails, as shown in step 1 in Figure 2-82.
    2. Use M6 screws to secure the storage node in the cabinet, as shown in step 2 in Figure 2-82.
    3. Ensure that the storage node is horizontally installed and tightly screwed.

    Figure 2-82  Installing a storage node

  8. Connect signal cables to the storage node according to the cable connection label.
  9. Check whether a new alarm is reported on the DeviceManager.

    • If yes, handle the alarm according to the alarm help.
    • If no, go to 10.

  10. Inspect the system using SmartKit. Choose Home > Storage > Routine Maintenance > More > Inspection to check the system status. For details, see the OceanStor 9000 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 the system enclosure is replaced, label the replaced system enclosure to facilitate subsequent operations.

Updated: 2018-10-27

Document ID: EDOC1000075654

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