HP XP7 Storage - Manual (Page 37)

Table 6 Mirror descriptors and group assignments (continued)
Cnt Ac-J only BC (Snapshot)
only MU#0 HORCM_DEV parameter in configuration file
MU#1-#3 MU#1-#2
(MU#3-#63) BC Cnt Ac-S/
Cnt Ac-J
Oradb3 oradev31 CL1-D 2 1 h2
Oradb4 oradev41 CL1-D 2 1 h3
Cascading connection and configuration files
A volume of the cascading connection describes entity in a configuration definition file on the same
instance, and classifies connection of volume through the mirror descriptor. In case of Continuous
Access Synchronous/Business Copy cascading connection, too, the volume entity describes to a
configuration definition file on the same instance. The following figure shows an example of this.
Figure 16 Business Copy cascade connection and configuration file
Business Copy
Since Business Copy is a mirrored configuration within one storage system, it can be described
as a volume of the cascading connection according to two configuration definition files. For a
Business Copy-only cascading connection, the specified group is assigned to the mirror descriptor
(MU#) of Business Copy, specifically defining "0" as the MU# for Business Copy.
Figure 17 (page
38) - Figure 19 (page 38) show Business Copy cascading configurations and the pairdisplay
information for each configuration.
RAID Manager instance components on the host server 37