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# Create SRDF connections

SRDF groups provide a collective data transfer path linking volumes of two separate storage systems.

## About this task

This task provides a mechanism to make a connection to a storage system that is not visible to the Unisphere server and to bring the connected storage system into Unisphere as remote.

Before you begin:

See Roles and associated permissions to determine the user roles that can perform this task.

The physical connectivity and zoning must be in place before undertaking this task.

To create SRDF connections:

## Steps

1. Select the storage system.
2. Select Data Protection > SRDF Groups.
3. Select an SRDF group, click , and select Create SRDF Connection to open the Create SRDF Connection wizard.
4. On the Local page, specify the following information:
   - Type a value for the SRDF group label.
   - Select an SRDF Group Number from the list of unused RDFG numbers for the local array.
   - From the list, select a local port to be used by the new SRDF group.
5. Optional: Click Next.
6. On the Remote page, specify the following information:
   - Select Scan to scan the SRDF SAN for the port selected on the local page.
   - Select an Array ID from the list.
   - Type a value for the SRDF Group Number. This value is not selectable as there is no knowledge of the remote candidate array's used SRDF Group numbers at this point.
   - From the list, select a remote port for use by the new SRDF group.
7. Optional: Click Next.
8. On the Summary page, verify your selections. To change any of them, click BACK. Some changes may require you to make additional changes to your configuration.
9. 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.

## Results

An SRDF group has been created with a single port on each side. After creation, further SRDF group changes can be performed using Unisphere functionality.

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