HP StorageWorks XP Replication Monitor software installation and configuration guide (T1784-96008, November 2006)

Designing systems 19
Figure 1-4 Flow of control and data (mainframe system)
The numbers that appear in the following explanations refer to the numbers next to the arrows in
Figure 1-4.
Web browser on a management client
The web browser collects the host, storage subsystem, and copy pair information (#1) maintained in the
database from the XP Replication Monitor server on the management server, and displays this information
in a window.
In response to a request from the user to update the copy pair configuration information (#2) or copy pair
status (#2), the web browser asks the management server to update the information in the XP Replication
Monitor server database.
XP Replication Monitor server on the management server
The XP Replication Monitor server collects the following information (#3) from the Business Continuity
Manager on the hosts, and maintains this information in the XP Replication Monitor server database:
• Configuration information on copy pairs managed by Business Continuity Manager
• Information indicating the pair status of copy pairs managed by Business Continuity Manager
• Host information
• Storage subsystem information
The information in the XP Replication Monitor server database is updated periodically at specified time
intervals, or when there is a user request to update the copy pair configuration information or copy pair
status (#2).
Business Continuity Manager on a host
Business Continuity Manager obtains the following information (#4) from the storage subsystem:
• Configuration information on copy pairs managed by Business Continuity Manager
• Information indicating the pair status of copy pairs managed by Business Continuity Manager