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Parts Replacement 12

OceanStor 18500 V3 and 18800 V3 Mission Critical Storage System V300R003

This document describes the procedure for replacing the parts of storage system in terms of safety operations, preparations, and precautions.
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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 Data Switch

Replacing a Data Switch

This section describes how to replace a data switch.

Impact on the System

During the replacement of a switch, the switch is powered off. This causes all I/O forwarding workload to transfer to another switch,, degrading the system reliability.


  • A spare data switch for replacement is ready.
  • The data switch to be replaced has been located.
  • Before the replacement, restore the password of account ibc_os_hs for each management module, data switch, and service processor (SVP) to the default one.
    For details about how to change the password of account ibc_os_hs, see the Installation Guide.
  • The cable connection position on the data switch to be replaced has been clearly marked.
  • The data switch to be replaced has been powered off.


Remove or insert a data switch module with even force. . Excessive force may damage the appearance or connectors of the data switch.

Tools and Materials

  • Phillips screwdriver (M3 to M6)
  • ESD wrist strap
  • ESD bag
  • ESD table
  • Labels
  • Optional: Nameplate
  • Optional: Product model


  1. Check system status before replacement.
    1. Perform a system status inspection.

      Start SmartKit. On the homepage, choose MyTools > Storage > Parts Replacement > Inspection. The Inspection Wizard step 5-1:Welcome page is displayed after you go to the Inspection page. On the wizard, select Routine inspection and perform the inspection as instructed by the wizard.

      For details, you can click .


      If some items fail the inspection, rectify the faults by performing the recommended actions in the inspection reports. Ensure that all other parts except the parts to be replaced are working correctly.

    2. Perform a pre-replacement inspection.

      On the homepage, choose MyTools > Storage > Parts Replacement > FRU Replacement. On the FRU Replacement page, select the part that you want to replace and perform the pre-replacement inspection as prompted. For details, see Using SmartKit for Parts Replacement (Recommended).

      You can proceed to next step only when all items pass the pre-replacement check and the replacement page is displayed. If any item fails, rectify the fault by taking recommended actions in the inspection reports.

  2. Wear an ESD wrist strap and remove the cables connected to the data switch to be replaced.
  3. Take the spare data switch out of the ESD bag and place it on the ESD table.
  4. Remove the data switch to be replaced from the cabinet, as shown in Figure 6-7.
    1. Use a Phillips screwdriver to remove the M6 screws from the data switch.
    2. Pull the data switch out of the cabinet along guide rails and place it on the ESD table.

    Figure 6-7  Removing a data switch

  5. Optional: Paste the nameplate and model label on the spare data switch in the same way as those are pasted on the faulty data switch, as shown in Figure 6-8. a indicates the nameplate location, and b indicates the model label position.

    Figure 6-8  Locations of the nameplate and model label

  6. Place the data switch to be installed in the cabinet, as shown in Figure 6-9.
    1. Slide the data switch into the cabinet along the guide rails.
    2. Use M6 screws to secure the data switch in the cabinet.
    3. Verify that the data switch is horizontally installed and firmly secured.

    Figure 6-9  Installing a Data Switch

  7. Connect cables to the data switch and power it on.
  8. After the Power indicator is steady on, check whether each component is working properly.

    • If yes, the data switch is successfully installed.
    • If no, cable connections are incorrect, components are incorrectly installed, or the data switch is faulty.

  9. Confirm the replacement.
    1. Perform a post-replacement inspection.

      After the replacement, on the SmartKit page, click Replaced. Perform the post-replacement inspection as prompted.

    2. Check the system status after the replacement.

      Check the system status again on the Inspection page after the replacement. If any inspection item fails, rectify the fault based on the suggestions.

    3. Check services on a host for any storage-related error.

Follow-up Procedure

After the replacement is complete, label the replaced data switch to facilitate subsequent operations.

Updated: 2019-05-15

Document ID: EDOC1000084105

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