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)