HP Hitachi Dynamic Link Manager Software Licenses - Manual (Page 487)

If the number of LUs to be managed by HDLM is 65 or more or the
number of paths to be managed by HDLM is 129 or more, we recommend
that you specify a value of 10240 KB or more.
When you change the log file size, the size of the current
dlmcfgmgr[1-2].log file is not changed. The next dlmcfgmgr[1-2].log
file will be created with the specified file size.
If you do not specify the log file size for the dlmcfgmgr utility, the current
setting is displayed.
Examples
Example 1:
To register the path that HDLM has not identified, by confirming the
execution of the utility:
In response to the confirmation message, enter y to execute the utility
and n not to execute the utility.
Example 2:
To exclude the HDLM device sddlmaa from being managed without
confirming the execution of the utility:
Example 3:
To delete the information for all the unavailable paths and unregister the
path information from HDLM after confirming the execution of the utility:
In response to the confirmation message, enter y to execute the utility
and n not to execute the utility.
Example 4:
Utility Reference
7-27
Hitachi Dynamic Link Manager (for Linux®) User Guide