HP XP7 Storage - Manual (Page 21)

Figure 7 Command flow
Issuing commands for LDEVs within a LUSE device
A LUSE device is a group of LDEVs regarded as a single logical unit. Because it is necessary to
know the configuration of the LDEVs when issuing a command, a new command is used to specify
a target LU and acquire LDEV configuration data (see figure).
Figure 8 LUSE Device and Command Issue
RAID Manager instance components on the host server
HORCM operational environment
The HORCM operates as a daemon process on the host server and is activated either automatically
when the server machine starts up or manually by the startup script. HORCM reads the definitions
specified in the configuration file upon startup. The environment variable HORCM_CONF is used
to define the location of the configuration file to be referenced.
RAID Manager instance components on the host server 21