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DLM_TOOL

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)

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