Configuring the ONTAP Mediator service from a MetroCluster IP configuration

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The ONTAP Mediator service must be configured on the ONTAP node for use in a MetroCluster IP configuration.

Before you begin

  • The ONTAP Mediator must have been successfully installed on a network location that can be reached by both MetroCluster sites.

  • You must have the IP address of the host running the ONTAP Mediator service.

  • You must have the username and password for the ONTAP Mediator service.

  • All nodes of the MetroCluster IP configuration must be online.

About this task

  • This task enables automatic unplanned switchover by default.

  • This task can be performed on the ONTAP interface of any node in the MetroCluster IP configuration.

  • A single installation of the ONTAP Mediator service can be configured with up to five MetroCluster IP configurations.

Procedure

  1. Add the ONTAP Mediator service to ONTAP using the following command: metrocluster configuration-settings mediator add -mediator-address ip-address-of-mediator-host

    Note: You will be prompted for the username and password for the Mediator admin user account.

  2. Verify that the automatic switchover feature in enabled: metrocluster show

  3. Verify that the Mediator is now running.

    1. Show the Mediator virtual disks: storage disk show -container-type mediator

      cluster_A::> storage disk show -container-type mediator
                             Usable           Disk    Container   Container
      Disk                   Size Shelf Bay Type    Type        Name      Owner
      ---------------- ---------- ----- --- ------- ----------- --------- --------
      NET-1.5                   -     -   - VMDISK  mediator    -         node_A_2
      NET-1.6                   -     -   - VMDISK  mediator    -         node_B_1
      NET-1.7                   -     -   - VMDISK  mediator    -         node_B_2
      NET-1.8                   -     -   - VMDISK  mediator    -         node_A_1
    2. Set the privilege mode to advanced: set advanced

      cluster_A::> set advanced
    3. Display the initiators labelled as mediator: storage iscsi-initiator show -label mediator

      cluster_A::*> storage iscsi-initiator show -label mediator
        (storage iscsi-initiator show)
       +                                                                     Status
      Node Type Label    Target Portal      Target Name                      Admin/Op
      ---- ---- -------- ------------------ -------------------------------- --------
      node_A_1
           mailbox
                mediator 1.1.1.1       iqn.2012-05.local:mailbox.target.6616cd3f-9ef1-11e9-aada-00a098ccf5d8:a05e1ffb-9ef1-11e9-8f68- 00a098cbca9e:1 up/up
      node_A_2
           mailbox
                mediator 1.1.1.1       iqn.2012-05.local:mailbox.target.6616cd3f-9ef1-11e9-aada-00a098ccf5d8:a05e1ffb-9ef1-11e9-8f68-00a098cbca9e:1 up/up