HP StorageWorks XP Remote Web Console Software - Manual (Page 17)

Table 1 System Option Modes (continued)
Description Mode
The host I/O response might decrease while the Universal
Replicator for Mainframe pair is resynchronized. To
suppress increase in the MP utilization rate by the
differential bitmap retrieval processing when
resynchronizing the pair, set this mode to ON. You can
reduce host I/O response by setting this mode to ON.
Mode 760 ON: Decrease in host I/O response during the
Universal Replicator for Mainframe resync operation is
reduced.
Mode 760 OFF: Normal operations are performed.
760
Use this mode in the Universal Replicator for Mainframe
extended consistency group configuration. If Business
Continuity Manager issues the Flush request to the primary
data volume of the Universal Replicator for Mainframe
pair, and the Universal Replicator for Mainframe pair
receives the suspend command, to reflect the data up to
the time specified in the command to the secondary data
volume, set this mode to ON.
Mode 762 ON: When the Universal Replicator for
Mainframe pair receives the suspend command, the data
up to the time specified in the suspend command is
reflected to the secondary data volume.
Mode 762 OFF: The time stamp of the latest data received
in each restore journal group may be different. In this case,
the time stamps of data in restore journals are compared,
and data up to the oldest time stamp is reflected to
secondary data volumes.
762
Universal Replicator for Mainframe Software
Remote Web Console software includes Universal Replicator for Mainframe for the storage system.
The Remote Web Console software communicates with the SVP of each storage system via defined
TCP/IP connections. For further information on Remote Web Console operations, see the HP
StorageWorks XP24000/XP20000 Remote Web Console User's Guide, or contact your HP account
team.
The Remote Web Console computer at the primary site must be attached to the primary storage
system. You should also attach a Remote Web Console computer at the secondary site to all
secondary storage systems. Having a Remote Web Console computer at the secondary site enables
you to change the Universal Replicator for Mainframe parameter of the secondary storage system
and access the Universal Replicator for Mainframe secondary data volume (for example, for the
maintenance of media). If you need to perform Universal Replicator for Mainframe operations in
the reverse direction from the secondary site to the primary site (for example, disaster recovery),
the Universal Replicator for Mainframe software simplifies and expedites this process.
NOTE: If the Remote Web Console computer is not installed, contact your HP account team for
information on Universal Replicator for Mainframe configuration services.
Main and Remote Control Units
The main control unit (primary storage system) and remote control unit (secondary storage system)
control Universal Replicator for Mainframe operations:
•
The primary storage system is the control unit in the primary storage system which controls
the primary data volume of the Universal Replicator for Mainframe pairs and master journal
volume. The Remote Web Console remote console computer must be LAN-attached to the
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