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E9000 Server V100R001 User Guide 24

This document describes the overview, functions, structure, installation, and configuration methods of the E9000.
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Replacing a Liquid-Cooled Compute Node

Replacing a Liquid-Cooled Compute Node

This section describes how to replace a CH121L V5 as an example.

For details about how to replace a CH121L V3 or CH140L V3, see the CH121L V3 Liquid-Cooled Compute Node V100R001 User Guide 06 or CH140L V3 Liquid-Cooled Compute Node V100R001 User Guide 06.

Workflow

Figure 6-15 Process

Procedure

  1. Locate the compute node in the chassis.

    Figure 6-16 Slot numbers of half-width compute nodes

  2. Power off the compute node.

    Before powering off the compute node, ensure that service data has been backed up.

    For details about how to power off a compute node, see the compute node user guide.

  3. Remove the water inlet and outlet tubes from both sides of the cabinet.

    Hold the quick connector marked by (1) in Figure 6-17 and Figure 6-18 and pull it out in the arrow direction. Then remove the water inlet and outlet tubes.
    Figure 6-17 Removing water inlet and outlet tubes from the left side of the cabinet
    Figure 6-18 Removing water inlet and outlet tubes from the right side of the cabinet

  4. Remove the compute node.

    1. Press the ejector release button of the compute node. See (1) in Figure 6-19.
      Figure 6-19 Removing the compute node
    2. Fully open the ejector lever on the compute node. See (2) in Figure 6-19.
    3. Pull the compute node out of the chassis. See (3) in Figure 6-19.
    4. Close the ejector lever on the compute node. See (4) in Figure 6-19.
    5. Place the removed compute node in an ESD bag.

      An ESD bag can hold only one compute node.

  5. Determine whether to replace the components in the compute node.

    • If yes, replace the faulty components. For details, see the CHxxx Compute Node User Guide.
    • If no, go to 6.

  6. Install a new compute node.

    1. (Optional) Install a partition board.
      NOTE:

      You need to install a partition board between two half-width compute nodes. Perform this operation only when no partition board is installed between two half-width compute nodes.

      1. Tilt the partition board and insert it into the chassis. Align the partition board with the installation holes and then make the partition board upright. See (1) and (2) in Figure 6-20.
      2. Pull the partition board outward. See (3) and (4) in Figure 6-20.

        The partition board is properly installed when you hear a clicking sound.

      Figure 6-20 Installing a partition board
    2. Press the ejector release button of the compute node. See (1) in Figure 6-21.
      Figure 6-21 Installing the compute node
    3. Fully open the ejector lever on the compute node. See (2) in Figure 6-21.
    4. Insert the compute node horizontally into the chassis. See (3) in Figure 6-21.
    5. Close the ejector lever on the compute node. See (4) in Figure 6-21.

  7. Install water inlet and outlet tubes.

    The water inlet and outlet tubes of the compute node must be correctly connected to the connecters on the liquid-cooled cabinet. The red connector indicates the water outlet and the blue connector indicates the water inlet.

    Figure 6-22 Installing water inlet and outlet tubes on the left side of the cabinet
    Figure 6-23 Installing water inlet and outlet tubes on the right side of the cabinet

  1. Power on the compute node.
  2. Check the HLY indicator status.

    If the HLY indicator is steady green, the compute node is operating properly.

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Updated: 2019-08-30

Document ID: EDOC1000015897

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