content_image/1000770.jpg content_image/1000771.jpg
3. Because the master-auxiliary relationship direction is reversed, write access is disabled on the new auxiliary volume (former master volume), whereas it is enabled on the new master volume (former auxiliary volume). A warning message is displayed, as shown in Figure 11-142. Click Yes . 

<img src='content_image/1000770.jpg'>

4. When a remote copy relationship is switched, an icon is displayed in the Remote Copy panel list, as shown in Figure 11-143. 

<img src='content_image/1000771.jpg'>

## 11.9.11 Switching a Consistency Group direction 

When a remote copy consistency group is in the consistent synchronized state, the copy direction for the consistency group can be changed. 

Important:  When the copy direction is switched, it is crucial that no outstanding I/O exists to the volume that changes from primary to secondary because all of the I/O is inhibited to that volume when it becomes the secondary. Therefore, careful planning is required before you switch the copy direction for a relationship. 

