NAME¶

dlm_tool - a utility for the dlm and dlm_controld daemon

SYNOPSIS¶

dlm_tool [COMMAND] [OPTIONS] [ name ]

DESCRIPTION¶

ls

Display internal dlm_controld state about lockspaces.

 

dump

Dump dlm_controld debug buffer.

 

log_plock

Dump dlm_controld plock debug buffer.

 

plocks name

Dump posix locks from dlm_controld for the lockspace.

 

lockdump name

Minimal display of locks from the lockspace.

 

lockdebug name

Extended display of locks from the lockspace.

 

join name

Join a lockspace.

 

leave name

Leave a lockspace.

 

deadlock_check name

Start a deadlock detection cycle for the lockspace.

 

OPTIONS¶

-n

Show all node information in ls.

 

-d num

Resource directory enabled (1) or disabled (0) during join. Default 0.

 

-e num

Exclusive create off/on (0/1) in join. Default 0.

 

-f num

FS memory allocation off/on (0/1) in join. Default 0.

 

-m mode

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.

 

-s

Summary following lockdebug output (experimental, format may change).

 

-v

Verbose lockdebug output.

 

-w

Wide lockdebug output.

 

-h

Print a help message describing available options, then exit.

 

-V

Print program version information, then exit.

 

SEE ALSO¶

dlm_controld(8)