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

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Provisioning Storage
Introduction Prerequisites for using Unity storage Adding worker nodes in Unity hosts Creating a LUN and mapping it to the worker nodes Creating a pod using Unity storage

Adding worker nodes in Unity hosts

Adding worker nodes in Unity hosts

  • To provide LUN access to the worker nodes, add the worker nodes in the Unity hosts:

    1. Log in to the worker nodes as user core from CSAH and obtain the IQN that is specified under /etc/iscsi/initiatorname.iscsi.

    [core@worker-0 ~]$ cat /etc/iscsi/initiatorname.iscsi

    InitiatorName=iqn.1994-05.com.redhat:877f6bdd1b

    [core@worker-1 ~]$ cat /etc/iscsi/initiatorname.iscsi

    InitiatorName=iqn.1994-05.com.redhat:fc795ced1fc3

    1. Log in to Dell EMC Unisphere storage management using the Unity management IP address.
    2. Under Access, select Hosts, click the plus sign (+), and select Host.
    3. Enter the details that are shown in the following figure, and then click Next.

    Figure 15.          Adding the worker node in Unisphere

    1. Under Manually Added Initiators, click the plus sign (+) and select Create iSCSI Initiator.
    2. Provide the IQN of worker-0, and then click Add.

    Figure 16.          Adding iSCSI initiator for worker node

    1. Click Next, verify the details, and then click Finish.

    Figure 17.          Details of iSCSI initiator for worker node

    1. Repeat steps 3 through 7 for all the remaining worker nodes.