MetroCluster Manuals ( CA08871-401 )

Upgrading the host where the Tiebreaker monitor is running

If you place the monitors in observer mode before the upgrade, you can upgrade the host that the Tiebreaker monitor is running on with minimal disruption.

Steps

Verify that the monitors are in observer mode:

monitor show –status

MetroCluster Tiebreaker:> monitor show -status
MetroCluster: cluster_A
    Disaster: false
    Monitor State: Normal
    Observer Mode: true
    Silent Period: 15
    Override Vetoes: false
    Cluster: cluster_Ba(UUID:4d9ccf24-080f-11e4-9df2-00a098168e7c)
        Reachable: true
        All-Links-Severed: FALSE
            Node: node-a1(UUID:78b44707-0809-11e4-9be1-e50dab9e83e1)
                Reachable: true
                All-Links-Severed: FALSE
                State: normal
            Node: node-a2(UUID:9a8b1059-0809-11e4-9f5e-8d97cdec7102)
                Reachable: true
                All-Links-Severed: FALSE
                State: normal
    Cluster: cluster_B(UUID:70dacd3b-0823-11e4-a7b9-00a0981693c4)
        Reachable: true
        All-Links-Severed: FALSE
            Node: node-b1(UUID:961fce7d-081d-11e4-9ebf-2f295df8fcb3)
                Reachable: true
                All-Links-Severed: FALSE
                State: normal
            Node: node-b2(UUID:9393262d-081d-11e4-80d5-6b30884058dc)
                Reachable: true
                All-Links-Severed: FALSE
                State: normal

Change all of the monitors to observer mode.

MetroCluster Tiebreaker :> monitor modify -monitor-name monitor_name -observer-mode true

To upgrade the Tiebreaker host, follow all of the steps in the following procedure:

Install or upgrade the Tiebreaker package

Disable observer mode to move all of the monitors back to online mode.

MetroCluster Tiebreaker :> monitor modify -monitor-name monitor_name -observer-mode false