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FusionStorage 8.0.0 Block Storage 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 an Internal Cable of a TaiShan 2280 V2 12-Slot Node, TaiShan 2280 V2 25-Slot Node, or TaiShan 5280 V2 36-Slot Node

Replacing an Internal Cable of a TaiShan 2280 V2 12-Slot Node, TaiShan 2280 V2 25-Slot Node, or TaiShan 5280 V2 36-Slot Node

This section describes how to replace an internal cable.

Impact on the System

Before replacing an internal cable on a storage node, you must power off the node. This will adversely affect the services running on the node.

Prerequisites

  • A spare internal cable is ready.
  • The faulty internal cable has been located.

Precautions

Before replacing internal cables, mark the connections of the cables.

Tools and Materials

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

Procedure

  1. Log in to the primary management node as user dsware, and run the sh /opt/dsware/client/bin/dswareTool.sh --op setServerStorageMode -ip Management IP address of the faulty node -mode 1 command to switch to the maintenance mode. To run this command, enter the name and password of CLI super administrator account admin as prompted.
  2. Remove the faulty node from its cabinet, and remove its chassis cover. For details, see Basic Operations.
  3. Remove the air duct.

    Lift the air duct according to the signs on the air duct, as shown in the following figures.

    Figure 16-11 Removing the air duct of a TaiShan 2280 V2 node
    Figure 16-12 Removing the air duct of a TaiShan 5280 V2 node

  4. Remove the fan modules. For details, see Replacing a Fan Module.
  5. Remove the fan module bracket.

    Press and hold down the latches on both sides of the fan module bracket, and lift the fan module bracket, as shown in steps 1 and 2 in the following figures.

    Figure 16-13 Removing a fan module bracket of a TaiShan 2280 V2 node
    Figure 16-14 Removing a fan module bracket of a TaiShan 5280 V2 node

  6. Remove the faulty internal cable and place the removed cable in an ESD bag.
  7. Take the spare internal cable out of its ESD bag.
  8. Install the spare internal cable. For details about cable port positions, see Internal Cabling.
  9. Install the fan module bracket.

    Put the fan module bracket into the chassis, as shown in the following figures.

    Figure 16-15 Installing a fan module bracket of a TaiShan 2280 V2 node
    Figure 16-16 Installing a fan module bracket of a TaiShan 5280 V2 node

  10. Install the fan modules. For details, see Replacing a Fan Module.
  11. Install the air duct.

    Align the positioning pins on the air duct with the fixing holes on the mainboard according to the instructions on the chassis, and vertically place the air duct downwards, as shown in the following figures.

    Figure 16-17 Installing the air duct of a TaiShan 2280 V2 node
    Figure 16-18 Installing the air duct of a TaiShan 5280 V2 node

  12. Install the chassis cover, and put the node back into the cabinet. For details, see Basic Operations.
  13. Log in to the primary management node as user dsware, and run the sh /opt/dsware/client/bin/dswareTool.sh --op setServerStorageMode -ip Management IP address of the faulty node -mode 0 command to switch to the normal mode. To run this command, enter the name and password of CLI super administrator account admin as prompted.
  14. Connect the storage node to the power sockets and peripheral devices according to the cable connection labels. Ensure that all cables are correctly connected and then power on the storage node. If the storage node is not powered on, press the power button on the front panel.
  15. Check the system status.

    On SmartKit, choose Home > Storage > Routine Maintenance > More > Inspection and check the system status.
    • If all inspection items pass the inspection, the inspection is successful.
    • If some inspection items fail, the inspection fails. Rectify the faults by taking recommended actions in the inspection reports. Perform inspection again after fault rectification. If the inspection still fails, contact Huawei technical support.

    For details, see the FusionStorage Block Storage Administrator Guide.

Follow-up Procedure

Label the replaced internal cable to facilitate subsequent operations.

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Updated: 2019-10-18

Document ID: EDOC1100081420

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