3PAR Remote Copy 2.3.1 User's Guide (320-200175 Rev A, October 2009)

C.27
1-to-N Unidirectional Asynchronous Periodic Disaster Recovery Example
InForm OS Version 2.3.1 Remote Copy User’s Guide
C.4 1-to-N Unidirectional Asynchronous Periodic Disaster Recovery
Example
The following example contains a disaster recovery cycle for a 1-to-N unidirectional
configuration with two Remote Copy pairs (InServ1/InServ2 and InServ1/InServ3) with
asynchronous periodic mode volume groups. Figure C-6 illustrates the relationship between
primary server InServ1 and its two backup servers, InServ2 and InServ3.
Figure C-6. Example 1-to-N Configuration (Asynchronous Periodic)
■ Information for InServ1 is as follows:
◆ System ID: 61
◆ Links:
IP address 172.100.33.61
IP address 172.101.33.61
◆ Remote Copy nodes: 0 and 1
■ Information for InServ2 is as follows:
◆ System ID: 96
◆ Links:
InServ2 (Backup)
InServ3 (Backup)
InServ1 (Primary)
Direction of data replication