To install worker nodes:
- Connect to the iDRAC of a worker node and open the virtual console.
- Power on the worker node.
- To ensure that the ens2f0 interface is set for PXE boot:
- Press F2 to enter System Setup.
- Select Device Settings > NIC in Slot 2 Port 1 > NIC Configuration.
- From the Legacy Boot Protocol menu, select PXE.
- Select Finish to return to System Setup.
- Select System BIOS > Network Settings.
- Under UEFI PXE Settings, select Enable PXE Device and 1. Select PXE Device1 Settings.
- From the interface drop-down menu, select NIC in Slot2 Port1 Partition 1.
- 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
- 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:
- Press F2 to enter System Setup.
- Select System BIOS > Boot Settings > UEFI Boot Settings > UEFI Boot Sequence.
- Select PXE Device 1 and click -.
- Repeat the preceding step until PXE Device 1 is at the bottom of the boot menu.
- Click OK and then click Back.
- Click Finish and save the changes.
- Let the node boot into the hard drive where the operating system is installed.
- 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
- 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.
- Repeat the preceding steps for the second worker node, but, in step 4, select worker-1 from the PXE menu.