dlm_tool - A program to join and leave lockspaces and display dlm
dlm_tool [OPTIONS] <join | leave | lockdump | deadlock_check> <name>
dlm_tool is a program used to join or leave dlm lockspaces, dump dlm
lock state, and initiate deadlock detection cycles. The name of a
lockspace follows the subcommand.
-m The permission mode (in octal) of the lockspace device created
by join; default 0600.
-M Dump MSTCPY locks in addition to locks held by local processes.
Resource directory enabled (1) or disabled (0) during join;
-h Help. Print out the usage syntax.
-V Print version information.