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Chapter 2 About Universal Replicator Operations 2-7
Hitachi Universal Replicator for IBM /OS User’s Guide
USP V Storage Systems
URz operations involve the USP V storage systems at the primary and
secondary sites. The primary storage system consists of the main control unit
(primary storage system) and SVP. The secondary storage system consists of
the remote control unit (secondary storage system) and SVP.
To provide greater flexibility and to enable the USP V to be tailored to unique
customer operating requirements, operational parameters, or optional modes,
are available in URz for the USP V storage system. At installation, the USP V
modes are set to their default values, so make sure to discuss these settings
with your Hitachi team. The USP V modes can only be changed by your Hitachi
representative.
Universal Replicator for z/OS
®
Software
USP V Storage Navigator Java applet program product includes URz for the
USP V storage system. The USP V Storage Navigator software communicates
with the SVP of each USP V storage system via defined TCP/IP connections.
For further information on USP V Storage Navigator operations, please refer to
the Storage Navigator User's Guide, or contact your Hitachi account team.
The Storage Navigator PC at the primary site must be attached to the primary
storage system. You should also attach a Storage Navigator PC at the
secondary site to all secondary storage systems. Having a Storage Navigator
PC at the secondary site enables you to change the URz parameter of the
secondary storage system and access the URz secondary data volume (e.g. for
the maintenance of media). If you need to perform URz operations in the
reverse direction from the secondary site to the primary site (e.g., disaster
recovery), the USP V URz software simplifies and expedites this process.
Note: If the USP V Storage Navigator remote console PC is not installed, please
contact your Hitachi account team for information on URz configuration
services.
Main and Remote Control Units
The main control unit (primary storage system) and remote control unit
(secondary storage system) control URz operations: