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FusionStorage V100R006C10 Block Storage Service Parts Replacement 06

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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 Internal Cable

Replacing an Internal Cable

Impact on the System

  • Before replacing an internal cable, 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 internal cable is ready.
  • The faulty internal cable has been located.
  • 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. Slide the storage node out of the cabinet, as shown in step 1 in Figure 3-18.
    2. Press the baffle plate and slide the storage node out of enclosure, as shown in step 2 in Figure 3-18.

    Figure 3-18  Removing a storage node

  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 3-19.
    2. Open the ejector lever to push the enclosure cover backwards, as shown in step 2 in Figure 3-19.

      Figure 3-19  Removing an enclosure cover

  6. Take out the air duct, as shown in Figure 3-20.

    Figure 3-20  Removing an air duct

  7. Vertically lift a fan module until it is disconnected from the mainboard. See Figure 3-21. Use the same method to remove the other fan modules.

    Figure 3-21  Removing a fan module

  8. Press and hold down the latches on both sides of a fan module bracket, and lift the fan support. Use the same method to lift the other fan module bracket. See Figure 3-22.

    Figure 3-22  Removing a fan module bracket

  9. Remove the cable to be removed.
  10. Place the removed cable in an ESD bag.
  11. Take a spare cable out of the ESD bag.
  12. Install the spare cable. For details about cable port positions, see Internal Cabling for RH2288 V3 12-slot Nodes.
  13. Install fan module brackets in the chassis. See Figure 3-23.

    Figure 3-23  Installing fan module brackets

  14. Insert fan modules into the slots and ensure that fan module cable connectors fit into the ports on the mainboard. See Figure 3-24.

    Figure 3-24  Installing fan modules

  15. Align the positioning pins on the air duct with the fixing holes on the mainboard by following the instructions on the enclosure, and vertically place the air duct downwards, as shown in Figure 3-25.

    Figure 3-25  Installing an air duct

  16. 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 3-26.
    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 3-26.

      Figure 3-26  Installing an enclosure cover

  17. Put the storage node into the cabinet.
    1. Align the securing holes in the inner rails with the positioning pins on the storage node, and secure the inner rails to the storage node, as shown in step 1 in Figure 3-27.
    2. Align the inner rails with the holding rails, and push the storage node into the holding rails, as shown in step 2 in Figure 3-27.
    3. Ensure that the storage node is horizontally installed and screwed.

    Figure 3-27  Installing a storage node

  18. Connect the storage node to the power sockets and peripheral devices according to the cable connection labels. Then power on the storage node.

Follow-up Procedure

After replacing the cable, label the replaced cable to facilitate subsequent operations.

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Updated: 2019-02-01

Document ID: EDOC1000175242

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