HP Hitachi Dynamic Link Manager Software Licenses - Manual (Page 300)

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A new LU cannot be added via dynamic reconfiguration when you are
using VxVM, because the host must be restarted in order to use (in
VxVM) an LU that has been newly added to HDLM. Perform the
procedure described in Adding a New LU By Restarting the Nodes
(When Using Solaris Cluster) on page 4-25 .
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For details on the precautions for the dlmcfgmgr utility, see The
dlmcfgmgr Utility for Managing the HDLM Configuration on page
7-17 .
To add a new LU:
1
.
Set up the storage system and switch so that Solaris recognizes the LU.
2
.
Check the LU newly recognized by the node and its disk label.
Use the format command to check the LU and verify that the disk label is
specified. The following figure shows an example of the format command.
The shaded portion represents the newly recognized LU.
Figure 4-3 Example of executing the format command
In the above execution example, when you specify an LU, the message
Disk not labeled. Label it now? will be output if a disk label has not
been specified. In this case, enter y and specify a disk label.
3
.
If setup is performed for Quorum devices and disk device groups, on an
LU newly recognized by the node, release these settings.
When you unregister the SDS or SVM diskset, the diskset data will be
deleted so first back up any necessary data. For details on how to remove
settings for Quorum devices and VxVM disk groups, see Remove Solaris
Cluster Settings on page 3-186 of Preparations for HDLM Removal on
4-32
HDLM Operation
Hitachi Dynamic Link Manager (for Solaris) User Guide