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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 the storage systems 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 BBU (for 5600 V5/5800 V5/5600F V5/5800F V5)

Replacing a BBU (for 5600 V5/5800 V5/5600F V5/5800F V5)

This section describes how to replace a BBU.

Impact on the System

  • Replacing a BBU affects data security.
  • During the replacement, if all other BBUs fail, the system is no longer BBU-protected. To enhance data security, the system forcibly implements LUN write through, and the system performance is compromised.


  • The spare part of the BBU is ready.
  • Configuration data has been backed up.
  • The BBU 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.


  • Remove and insert a BBU with even force. Excessive force may damage the appearance or connectors of the BBU.
  • Remove only one BBU at a time.
  • When a BBU is being replaced, the storage system does not have BBU redundancy. Therefore, you are advised to replace a BBU as quickly as possible.
  • A BBU must be replaced within five minutes. Otherwise, the system heat dissipation is compromised.

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 the latch on the BBU to release the handle and pull out the BBU, as shown in Figure 6-163.

    Figure 6-163 Removing a BBU

  4. Place the removed BBU into an ESD bag.
  5. Take the replacement BBU out of its ESD bag.
  6. Fully open the handle of the replacement BBU, insert the BBU into the empty slot, and close the handle, as shown in Figure 6-164.

    Figure 6-164 Installing a BBU

  7. Wait approximately one minute and check the status of the Running/Alarm indicator on the BBU to determine whether the BBU is successfully installed. Figure 6-165 shows the location of the Running/Alarm indicator.

    • If the indicator is steady green or blinking green, the BBU is successfully installed.
    • If the indicator is steady red or off, the newly installed BBU is faulty, the BBU slot is faulty, or the BBU is incorrectly installed.
    Figure 6-165 Running/Alarm indicator on a BBU

  8. 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 BBU is replaced, label it to facilitate subsequent operations.

Updated: 2019-07-11

Document ID: EDOC1000181634

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