HP Hitachi Dynamic Link Manager Software Licenses - Manual (Page 31)

Figure 2-4 Position of the HDLM Driver and HDLM Devices
Logical Device Files for HDLM Devices
When you install HDLM, a logical device file to be used by HDLM will be
created for each LU on a per-Dev (slice) basis. Setting this logical device file
name in an application, such as volume management software, enables the
application to access an LU by using the HDLM function.
The logical device files existing before HDLM installation (the logical device
files of an sd or ssd) will be deleted.
The following explains the names and locations of the logical device files for
HDLM devices
Logical device file names for HDLM devices
The logical device file name of an HDLM device is a changed version of
the controller number of the logical device file name of the sd or ssd
device. For example, let us assume that an LU has two physical paths,
HDLM Functions
2-9
Hitachi Dynamic Link Manager (for Solaris) User Guide