Note: By specifying an option, you can copy the whole data in the primary volume to the secondary volume and avoid the error when only a part of the differential data between primary and secondary data volume is stored in the journal volume. For detailed information about the option, see section Changing Options for a Journal Group.
Changing to 3DC
Primary Site Failures
If you follow the operation procedure in section Recovering from Failures in the Primary Site and the TCz Synchronous Secondary Site and then the system does not change to 3DC cascading configuration, you can change the system into 3DC
To change the system into 3DC
1.Use Business Continuity Manager to execute the YKDELETE command on the journal group corresponding to the former URz pair.
Note: YKDELETE is a command for releasing a pair.
2.If pair resynchronization has not been performed to reverse the primary volume and the remote volume of the TCz Synchronous pair (i.e., if the pair is suspended), use Business Continuity Manager to execute the YKRESYNC command, so that the copy direction of the TCz Synchronous pair will be reversed.
Note: YKRESYNC is a command for
Chapter 3 Preparing for Universal Replicator z/OS Operations |
