Hitachi MP-96RD625-01 manual VOL/Prm Data VOL

To transfer your business tasks to the URz secondary site, follow the procedure below. Business Continuity Manager is used in this procedure:

1.Use Business Continuity Manager to execute the YKSUSPND REVERSE command on the journal group corresponding to the URz pair, which extends between the primary site and the URz secondary site.

Note: YKSUSPND is a command for splitting a pair and stopping the copy operation temporarily.

2.Use volumes in the URz primary site to resume your business tasks.

TCz Synchronous

secondary site

TCzS-VOL

Synchronous

Tasks JNLVOL

P-VOL/Prm.

data VOL

Primary site	Master
	JNLVOL
	URz	Sec. data VOL
	Restore	URz
	JNLVOL	secondary site

		TCz Synchronous
	TCz	secondary site
		S-VOL
	Synchronous
		JNLVOL
P-VOL/Prm.
data VOL
Primary site	Master		Tasks
	JNLVOL
	URz		Sec. data VOL
		Restore	URz
		JNLVOL	secondary site

P-VOL: primary volume

S-VOL: secondary volume

Prm data VOL: primary data volume

Sec. data VOL: secondary data volume

JNLVOL: journal volume

Figure 3-29 Recovering from Failures in the Primary Site and the TCz Synchronous Secondary Site

Transferring Business Tasks from the URz Secondary Site to the Primary

Site

If you follow the instructions in the previous section and then remove failures from the primary site and the TCz Synchronous secondary site, you can transfer your business tasks back to the primary site.

To transfer your business tasks back to the primary site, follow the procedure below. Business Continuity Manager is used in this procedure:

1.Use Business Continuity Manager to execute the YKDELETE command on the TCz Synchronous pair.

Note: YKDELETE is a command for releasing a pair.

2.Reverse the copy direction of the URz pair. To do this, use the Business Continuity Manager to execute the YKRESYNC REVERSE command on the journal group corresponding to the URz pair.

3-52 Chapter 3 Preparing for Universal Replicator z/OS Operations

Hitachi Universal Replicator for IBM /OS User’s Guide