Replacing a BBU (for OceanStor 18500 V5, 18500F V5, 18800 V5, or 18800F V5)

Prerequisites

• The spare part is on hand.
• 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:

• Locating a component based on alarms in DeviceManager: On the Alarms and Events page of DeviceManager, view the help information and determine the ID of the component to be replaced. Then locate the component at your site based on its ID.
• Locating a component based on the status of its Running/Alarm indicator: For details about the indicators on different components, see "Indicator Introduction" of each component in the Product Description specific to your product model and version.

• When a BBU is being replaced, the other BBU is working properly.

Precautions

• Remove and insert a BBU with even force. Excessive force may damage the appearance of the BBU or cause faults.
• Remove only one BBU at a time.
• A BBU must be replaced within three minutes. Otherwise, the system heat dissipation is compromised.

Tools and Materials

• ESD wrist strap
• ESD bag
• Labels

Procedure

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 any 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 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 fan module and pull the handle of the fan module outwards to pull out the fan module, as shown in Figure 8-122.
   Figure 8-122 Pulling out the fan module
   

4. Put the removed fan module into an ESD bag.
5. Press the latch on the BBU to release the handle of the BBU, as shown in Figure 8-123.
   Figure 8-123 Releasing the handle of the BBU
   

6. Hold the handle of the BBU to pull it out, as shown in Figure 8-124.
   Figure 8-124 Pulling out the BBU
   

7. Put the removed BBU into an ESD bag.
8. Take the spare part out of its ESD bag.
9. Insert the spare part into the empty slot, as shown in Figure 8-125.
   Figure 8-125 Installing the BBU
   

10. Take the fan module out of its ESD bag and insert the fan module into the empty slot, as shown in Figure 8-126.
    Figure 8-126 Inserting the fan module into the empty slot
    

11. Wait about two minutes and check the status of the Running/Alarm indicator on the BBU to determine whether the BBU has been successfully installed. Figure 8-127 shows the location of the Running/Alarm indicator.
    • If the indicator is steady green or blinking green, the BBU has been successfully installed.
    • If the indicator is steady yellow or off, the newly installed BBU is faulty, the BBU slot is faulty, or the BBU is incorrectly installed.
      Figure 8-127 Running/Alarm indicator on a BBU
      

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

       After the parts replacement, return to the SmartKit page and click Replaced. Then complete the 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 item fails inspection, rectify the fault based on the suggestions in the inspection report.

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

Follow-up Procedure

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