• YKRESYNC REVERSE
• YKEWAIT GOTO(DUPLEX)
If the command is successful, the copy direction of Cnt Ac-J Z copy pairs is reversed.
5. Start operations at the secondary site.
6. Start primary host maintenance.
2DC configuration operations are performed from the secondary site.
Failback
1. Terminate primary host maintenance.
2. Stop operations at the secondary site.
3. On the primary host, execute the YKSUSPND FORWARD command for Cnt Ac-J Z copy pairs
between the primary storage system and the remote storage system.
358 Maintenance and Troubleshooting Operations
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