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Parts Replacement

OceanStor V5 Series V500R007

This document is applicable to OceanStor 5110 V5, 5110F V5, 5300 V5, 5300F V5, 5500 V5, 5500F V5, 5600 V5, 5600F V5, 5800 V5, 5800F V5, 6800 V5, 6800F V5, 18500 V5, 18500F V5, 18800 V5, and 18800F V5. 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 an Expansion Module (High-Density Disk Enclosure)

Replacing an Expansion Module (High-Density Disk Enclosure)

This section describes how to replace an expansion module.

Impact on the System

During the interval between removing an expansion module and installing the replacement expansion module, system performance is compromised. Therefore, replace an expansion module during off-peak hours.


  • The spare part of the expansion module is ready.
  • The expansion module that you want to replace has been located.

You can locate a component in either of the following ways:

  • Log in to DeviceManager and go to the System page. On the System page, check the device view and locate the position of the component to be replaced. If the component has a location indicator, turn on the indicator. (For details about how to turn on a location indicator, see the online help of DeviceManager.)
  • Use the alarm indicator of the component to locate its position.
  • You have confirmed that the cables of the expansion module to be replaced are properly connected using Huawei Storage Product Networking Assistant (
  • The cable connection positions have been labeled on the replacement expansion module.
  • The cables have been disconnected from the expansion module that you want to replace.

Before removing a SAS cable, gently push the connector of the cable inward. Then pull the plastic ring on the connector outward until the cable is completely removed from the expansion module.


  • Remove and insert an expansion module with even force. Excessive force may damage the appearance or connectors of the expansion module.
  • Shorten the duration of replacing an expansion module as short as possible.

Tools and Materials

  • ESD wrist strap
  • ESD bag
  • Labels


  1. Check status before replacement.

    1. Check system status.

      Start SmartKit and choose Home > Storage > Routine Maintenance > Health Check. On the Health Check page, perform inspection as instructed. For details, see Checking System Status.


      If some items fail in 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 properly.

    2. Check the status of the parts to be replaced.

      Start SmartKit and choose Home > Storage > Parts Replacement > Parts Replacement. On the Parts Replacement page, click FRU Replacement. Then complete the check before the replacement as prompted. For details, see Replacing an FRU.

    You can proceed to next steps only when all items pass the pre-replacement check and the replacement page is displayed. If any item fails, rectify the fault as prompted.

  2. Wear an ESD wrist strap.
  3. Press buckles on the expansion module, open the latches, and pull out the expansion module, as shown in Figure 6-193.

    Figure 6-193 Removing an expansion module

  4. Place the removed expansion module into an ESD bag.
  5. Take the replacement expansion module out of the ESD bag.
  6. Open latches on the replacement expansion module, insert the replacement expansion module, and close the latches, as shown in Figure 6-194.

    Figure 6-194 Installing an expansion module

  7. Connect cables of the expansion module.
  8. Wait approximately two minutes and check the status of Power and Alarm indicators on the expansion module to determine whether the expansion module is successfully installed. Figure 6-195 shows the locations of Power and Alarm indicators on the expansion module.

    • If the Power indicator is steady on and the Alarm indicator is off, the expansion module is successfully installed.
    • If the Power indicator is off or the Alarm indicator is steady on, the newly installed expansion module is faulty, the slot for the expansion module is faulty, or the expansion module is incorrectly installed.
    Figure 6-195 Indicators on an expansion module


    Power indicator


    Alarm indicator

  9. Confirm the replacement.

    1. Perform a post-replacement inspection.

      After the parts replacement, return to the SmartKit page and click Replaced. Then complete the parts check after the replacement as prompted.

    2. Check system status.

      On the Parts Replacement page, click Inspection to check the system status again. If any inspection item fails, rectify the fault based on the suggestions.

    3. After the preceding procedure is complete, check services on the host for any storage-related error.

Follow-up Procedure

After the expansion module is replaced, label it to facilitate subsequent operations.

Updated: 2019-07-11

Document ID: EDOC1000181634

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