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 instance must be created for both participating storage systems.
See
Roles and associated permissions to determine the user roles that can perform this task.
About this task
See
Understanding Virtual Witness for additional information.
Steps
-
Select the storage system.
-
Select
to open the
Virtual Witness list view.
-
Click
Create.
-
Type values for the following:
- Virtual Witness Name—User-defined Virtual Witness instance name
- IP/DNS—IPv4 or IPv6 address, or the DNS name from embedded guest that is associated with Virtual Witness instance.
-
Optional: Select the
Add Virtual Witness to remote arrays checkbox and select the arrays (these storage systems support the Virtual Witness functionality) that are to have the same Virtual Witness added.
-
Do one of the following:
- Click
Run Now to perform the operation now.
- Expand
Run Now and click
Add to Job List to add this task to the job list, from which you can schedule or run the task at your convenience. For more information, see
Schedule jobs and
Preview jobs.
