Preparing
1.
From the primary site, execute the YKFREEZE command for the Continuous Access Synchronous
Z copy group container.
YKFREEZE
2.
From the primary site, execute the YKSUSPND command for the Continuous Access Synchronous
Z copy group container.
YKSUSPND
3.
From the primary site, execute the YKRUN command for the Continuous Access Synchronous
Z copy group container.
You can execute the YKRUN command even before the status of the Continuous Access
Synchronous Z copy pair has changed to SUSPOP.
Using a 4x4x4 Cascade Configuration 391