HP Hitachi Dynamic Link Manager Software - Manual (Page 317)

4. HDLM Operation
295
Specify settings as shown in (2) Removing Devices from VxVM on a Controller
Basis or (3) Removing Devices From VxVM on a Path Basis of 3.13.3 Removing
Devices from VxVM.
6. Force the HDLM driver to recognize the added LU.
In environments supporting dynamic reconfiguration of HDLM devices, execute
the
dlmcfgmgr
utility for managing the HDLM configuration. HDLM device
will be reconfigured without restarting the host.
# /opt/DynamicLinkManager/bin/dlmcfgmgr -a
In environments not supporting dynamic reconfiguration of HDLM devices,
restart the host, with the reconfiguration option specified.
# reboot -- -r
7. Check the status of the path for accessing the added LU.
The following shows an example of executing the command. The shaded portion
represents the path that accesses the added LU.