View SRDF virtual witness instances

The Virtual Witness feature supports a third party that the two storage systems consult when they lose connectivity with each other, that is, their SRDF links go out of service.

Prerequisites

Unisphere provides monitoring and management for SRDF/Metro Virtual Witness instances on Virtual Witness capable storage systems running HYPERMAX OS 5977 Q3 2016 or later.

A Virtual Witness must be created for both participating storage systems.

About this task

See Understanding Virtual Witness for additional information.

Steps

  1. Select the storage system.
  2. Select Data Protection > Virtual Witness to open the Virtual Witness list view.

    The following properties display, depending on the operating environment:

    • Witness name—User-defined Virtual Witness instance name
    • State—State of Virtual Witness instance
    • Alive—Flag to indicate when the Virtual Witness instance is alive.
    • In Use—Flag to indicate when the Virtual Witness instance is in use.

    The following controls are available, depending on the operating environment: