Gad Components - Hitachi G1000 User Manual

GAD components

The following illustration shows the components of a typical global-active
device system.
Storage systems
A VSP G1000 is required at the primary site and at the secondary site. An
external storage system for the quorum disk, which is connected to the
primary and secondary storage systems using Universal Volume Manager, is
also required.
Paired volumes
A global-active device pair consists of a P-VOL in the primary system and an
S-VOL in the secondary system.
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Overview of global-active device
Hitachi Virtual Storage Platform G1000 Global-Active Device User Guide