Man page - mfsmetalogger(8)

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Package: moosefs-metalogger
apt-get install moosefs-metalogger

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moosefs-metalogger

Manual

mfsmetalogger

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
FILES
REPORTING BUGS
COPYRIGHT
SEE ALSO

NAME

mfsmetalogger - start, restart or stop MooseFS metalogger process

SYNOPSIS

mfsmetalogger [ -c CFGFILE ] [ -f ] [ -d ] [ -u ] [ -n ] [ -t LOCKTIMEOUT ] [ ACTION ]

mfsmetalogger -v

mfsmetalogger -h

DESCRIPTION

mfsmetalogger is the metadata replication server of MooseFS.

OPTIONS

	-v		print version information and exit
	-h		print usage information and exit

-c CFGFILE

specify alternative path of configuration file (default is mfsmetalogger.cfg in system configuration directory)

	-f		run in foreground, don’t daemonize
	-d		run with dangerous options (names: DANGEROUS_*)
	-u		log undefined configuration values (when default is assumed)
	-n		do not attempt to increase limit of core dump size

-t LOCKTIMEOUT

how long to wait for lockfile (in seconds; default is 60 seconds)

ACTION

tells metalogger to perform one of the following actions:

start

			Start metalogger process if the process is not already running, otherwise display error message.
	stop		Stop metalogger process if the process is running, otherwise display error message.
	restart		(default action) If the metalogger process is running, restart it, if it’s not running, start it.
	reload		Send a signal to metalogger process to reload config files.
	info		Send a singal to metalogger process to dump debug information file in working directory.
	test		Displays "mfsmetalogger pid: PID" if the metalogger is running (and return 0) or "mfsmetalogger is not running" otherwise (and return 1).
	kill		Send termination signal to metalogger process.
	restore		Not implemented.

FILES

mfsmetalogger.cfg

configuration file for MooseFS metalogger process; refer to mfsmetalogger.cfg (5) manual for details

mfsmetalogger.lock

PID file of running MooseFS metalogger process (created in RUN_PATH by MooseFS < 1.6.9)

.mfsmetalogger.lock

lock file of running MooseFS metalogger process (created in data directory since MooseFS 1.6.9)

changelog_ml. * .mfs

MooseFS filesystem metadata change logs (backup of master change log files)

metadata.ml.mfs.back

Latest copy of complete metadata.mfs.back file from MooseFS master.

sessions.ml.mfs

Latest copy of sessions.mfs file from MooseFS master.

REPORTING BUGS

Report bugs to <bugs@moosefs.com>.

COPYRIGHT

This file is part of MooseFS.

MooseFS is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2 (only).

MooseFS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with MooseFS; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA or visit http://www.gnu.org/licenses/gpl-2.0.html