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Deployment Guide—Dell EMC Ready Stack for Red Hat OpenShift Container Platform 4.3

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Deploying OpenShift 4.3
Introduction Creating a bootstrap node Installing control plane nodes Installing worker nodes Completing the cluster setup Removing the bootstrap node Validating and approving Certificate Signing Requests Validating the cluster operators Accessing the OpenShift web console Configuring authentication Configuring image registry storage

Installing worker nodes

  • To install worker nodes:

    1. Connect to the iDRAC of a worker node and open the virtual console.
    1. Power on the worker node.
    2. To ensure that the ens2f0 interface is set for PXE boot:
      1. Press F2 to enter System Setup.
      2. Select Device Settings > NIC in Slot 2 Port 1 > NIC Configuration.
      3. From the Legacy Boot Protocol menu, select PXE.
      4. Select Finish to return to System Setup.
      5. Select System BIOS > Network Settings.
      6. Under UEFI PXE Settings, select Enable PXE Device and 1. Select PXE Device1 Settings.
      7. From the interface drop-down menu, select NIC in Slot2 Port1 Partition 1.
      8. Save your changes and reboot the node.

    The system automatically boots into the PXE network, as shown in the following figure:

    Figure 7.              iDRAC console PXE menu

    1. Select worker-0 (the first worker node), and let the system reboot after the installation; before the node reboots into the PXE, ensure that the hard disk is placed above the PXE interface in the boot order, as follows:
      1. Press F2 to enter System Setup.
      2. Select System BIOS > Boot Settings > UEFI Boot Settings > UEFI Boot Sequence.
      3. Select PXE Device 1 and click -.
      4. Repeat the preceding step until PXE Device 1 is at the bottom of the boot menu.
      5. Click OK and then click Back.
      6. Click Finish and save the changes.
    2. Let the node boot into the hard drive where the operating system is installed.
    3. After the node comes up, ensure that the hostname is displayed as worker-0 in the iDRAC console.

    Figure 8.              Worker (worker-0) iDRAC console

    1. As user core in CSAH, run ssh worker-0 to ensure that the proper IP address is assigned to bond0.

    After the installation is complete, the node reboots to fetch the worker configuration file from the master nodes.

    1. Repeat the preceding steps for the second worker node, but, in step 4, select worker-1 from the PXE menu.