HP 3PAR Remote Copy Software - Manual (Page 24)

2.8 Remote Copy Configuration
Remote Copy User’s Guide InForm OS Version 2.3.1
2.5.2 Unidirectional Configurations
In a unidirectional Remote Copy configuration, each storage server in the pair plays either the
role of the primary server or the backup server. In this configuration, the primary storage
server or servers holds all primary volume groups and the backup storage server holds all
secondary volume groups.
Figure 2-3. Unidirectional Remote Copy
Primary
Backup
Primary
Volume
Secondary
Volume
Storage Server
Storage Server
Group X
Group X.r
Direction of data
replication
Primary to Secondary Group
(InServ1)
(InServ2)