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# Unplanned Failover (DR) of a file protection replication session

Network-attached storage is a file-level storage architecture that makes stored data more accessible to networked devices.

## About this task

See Understanding PowerMax File for storage systems for an overview of PowerMax File.

## Steps

1. Select a storage system that supports PowerMax File.
2. Select Data Protection > File Protection.
3. Select REPLICATION > REPLICATION SESSION.
4. Select a session, click , and click Unplanned Failover (DR).
5. Click OK.