Hp 3PAR Operating System Software Manual de usuario descargar pdf (Pagina 113)

Natural Direction of Replication

The natural direction of remote-copy replication is from the primary volume group to the secondary

volume group (from the primary system to the backup system).

Linking Virtual Volumes in Volume Groups

As long as a secondary virtual volume is the same size as the primary volume, you can map any

primary virtual volume to any secondary volume in the secondary volume group.

Unidirectional Volume Groups

In unidirectional remote-copy pairs, when you add virtual volumes to volume groups (using the

admitrcopyvv command), you map each virtual volume in the primary volume group on the

primary system to a virtual volume in the corresponding secondary volume group on the backup

system (Figure 34 (page 113)).

Figure 34 Volume Mapping between Unidirectional Primary and Backup Systems

Bidirectional Volume Groups

In bidirectional remote-copy pairs, you can add primary volume groups to both the primary and

backup systems. HP 3PAR Remote Copy automatically creates secondary volume groups on the

other system in the remote-copy pair.

In this configuration, each system provides backup for the primary volume groups on the other

system (Figure 35 (page 114)).

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Hp 3PAR Operating System Software Manual de usuario Pagina 113