HP P9000 Business Continuity Manager User Guide

1. Execute the YKRESYNC command for the Business Copy for Mainframe copy group in the
suspend status.
2. Execute the YKSUSPND command to execute the CAJ ATTIME suspend function for the Business
Copy for Mainframe copy group.
A backup of the Continuous Access Journal for Mainframe P-VOL at 2007/1/1 10:00 can be
acquired in the Business Copy for Mainframe S-VOL.
Relationship Between the ATTIME Suspend Time and Timeout Times
In the CAJ ATTIME suspend function, the YKSUSPND command is executed with the CAJ ATTIME
suspend time and timeout time specified. If you omit the timeout time, that time is determined by
the storage system.
Figure 49 Relationship between the YKSUSPND command execution, CAJ ATTIME suspend, and
Timeout Times
When suspensions are executed (CAJ ATTIME Suspend Function)
Once the CAJ ATTIME Suspend function is executed, circumstances dictate when copy group
suspension takes place:
• When an update journal is detected after the specified CAJ ATTIME suspend time on the
secondary site
As indicated in Figure 50 (page 87), suspension is executed. Contents of the update journal
are not applied to the S-VOLs of Continuous Access Journal for Mainframe.
Figure 50 Copy-group suspension when an update journal is detected at or after the specified
CAJ ATTIME suspend time
In Figure 50 (page 87), the specified CAJ ATTIME suspend time is 10:00:00, so:
1. The data in the 09:59:58 update journal is reflected into the volume at the secondary
site, because the CAJ ATTIME suspend time (10:00:00) has not been reached yet.
The Specified Time Suspend Function 87