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OceanStor 9000 V5 7.0 Parts Replacement 05

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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 the Li&Mn Battery

Replacing the Li&Mn Battery

This section describes how to replace a Li&Mn Battery.

Impact on the System

  • Before replacing the Li&Mn battery, you must power off the storage node. This will adversely affect the services running on the node. Exercise caution when performing this operation.

Prerequisites

  • The replacement Li&Mn battery is ready.
  • You have recorded the cable mapping of the device, securely stopped the services, executed a shut-down command in the operating system to power off the storage node, and disconnected the node from power sockets and peripheral devices.

Tools and Materials

  • Flat-head screwdrivers
  • Phillips screwdrivers
  • ESD gloves
  • ESD wrist straps
  • ESD bags
  • Labels

Procedure

  1. Wear an ESD wrist strap or ESD gloves.
  2. Use the KVM to log in to the operating system of the node, enter user name root and its password (default: Root@storage), and run poweroff command to power off the node.

    Wait until the KVM has no output. The power-off is complete.

  3. Remove all power cables and external signal cables.
  4. Remove the storage node from the enclosure.
    1. Loosen the captive screws on the storage node panel using a screwdriver, as shown in step 1 in Figure 3-167.

      Figure 3-167  Pulling out a storage node

    2. Pull out the storage node along the guide rails away from the cabinet, as shown in step 2 in Figure 3-167.
    3. Lever the latches on both sides upwards and remove the storage node in the direction of the arrow by holding the storage node bottom, as shown in Figure 3-168.

      Figure 3-168  Removing the storage node from the holding rails

  5. Remove the enclosure cover.
    1. Use a flat-head screwdriver to loosen the latch that secures the ejector lever of the enclosure cover, as shown in step 1 in Figure 3-169.
    2. Open the ejector lever to push the enclosure cover backwards, as shown in step 2 in Figure 3-169.

      Figure 3-169  Removing an enclosure cover

  6. Remove the RAID controller card.
    1. Hold down the latches on the cables to the RAID controller card, and remove the cables from the RAID controller card.
    2. Unscrew the RAID controller card, as shown in step 1 in Figure 3-170.

      Figure 3-170  Removing a RAID controller card

    3. Lift the RAID controller card slowly, as shown in step 2 in Figure 3-170.
  7. Remove the Li&Mn battery. Pull up the right end of the battery and remove it from the slot, as shown in Figure 3-171.

    Figure 3-171  Removing the Li&Mn battery

  8. Place the removed Li&Mn battery in an ESD bag.
  9. Take the spare Li&Mn battery out of its ESD bag.
  10. Install the Li&Mn battery. Hold the battery with the side marked with text facing upwards, insert the left end of the battery into the slot, and gently press down the battery until it is properly installed in the slot, as shown in Figure 3-172.

    Figure 3-172  Installing the Li&Mn battery

  11. Install the RAID controller card.
    1. Align the connectors on the RAID controller card with the ports on the mainboard, and insert the RAID controller card slowly into the mainboard, as shown in step 1 in Figure 3-173.

      Figure 3-173  Installing a RAID controller card

    2. Screw the RAID controller card as shown in step 2 in Figure 3-173.
    3. Connect cables for the RAID controller card.
  12. Install the enclosure cover.
    1. Place the enclosure cover horizontally, align it with the fixing slots on both side panels of the enclosure, and close the ejector lever, as shown in steps 1 and 2 in Figure 3-174.
    2. Use a flat-head screwdriver to tighten the latch in order to secure the ejector lever of the enclosure cover, as shown in step 3 in Figure 3-174.

      Figure 3-174  Installing an enclosure cover

  13. Put the storage node into the cabinet.
    1. Pull out the inner rails as far as they will go, as shown in Figure 3-175.

      Figure 3-175  Pulling out an inner rail

    2. Align the screws on the storage node with the notches on the inner guide rails, push the storage node inwards until you hear a sound, and ensure that the latches eject and completely block the screws to affix the storage node to the inner guide rails, as shown in Figure 3-176.

      Figure 3-176  Installing a storage node

    3. Press the release buttons on both sides and push the storage node into the cabinet along the holding rails, as shown in steps 1 and 2 in Figure 3-177.

      Figure 3-177  Pushing the server into the cabinet along the holding rails

    4. Optional: Tighten the captive screws on the mounting ears to secure the storage node, as shown in Figure 3-178.

      Figure 3-178  Securing the storage node

  14. Connect the storage node to the power sockets and peripheral devices according to the cable connection labels. Then power on the storage node.
  15. Inspect the system using SmartKit. Choose Home > Storage > Routine Maintenance > More > Inspection to check the system status. For details, see the OceanStor 9000 V5 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 replacing the Li&Mn battery, label the replaced Li&Mn battery to facilitate subsequent operations.

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Updated: 2019-07-25

Document ID: EDOC1100067965

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