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Man Pages


Manual Reference Pages  -  MFSMASTER (8)

NAME

mfsmaster - start, restart or stop Moose File System master process

CONTENTS

Synopsis
Description
Options
Files
Copyright

SYNOPSIS

mfsmaster [-c CFGFILE] [-u] [-i] [-a] [-e] [-x[x]] [-t LOCKTIMEOUT] [ACTION]

mfsmaster -v

mfsmaster -h

DESCRIPTION

mfsmaster is the master program of Moose File System.

OPTIONS

-v print version information and exit
-h print usage information and exit
-c CFGFILE
  specify alternative path of configuration file (default is mfsmaster.cfg in system configuration directory)
-u log undefined configuration values (when default is assumed)
-f run in foreground, don’t daemonize
-t LOCKTIMEOUT
  how long to wait for lockfile (in seconds; default is 1800 seconds)
-i ignore some metadata structure errors
-a automatically restore metadata from change logs
-e start without metadata (usable only in pro version - used to start additional masters)
-x produce more verbose output
-xx even more verbose output
ACTION is the one of start, stop, restart, reload, test or kill. Default action is restart. The test action will yeld one of two responses: "mfsmaster pid: PID" or "mfsmaster is not running". The kill action will send a SIGKILL to the currently running master process. SIGHUP or reload action forces mfsmaster to reload all configuration files.

FILES

mfsmaster.cfg
  configuration file for MooseFS master process; refer to mfsmaster.cfg(5) manual for defails
mfsexports.cfg
  MooseFS access control file; refer to mfsexports.cfg(5) manual for defails
mfstopology.cfg
  Network topology definitions; refer to mfstopology.cfg(5) manual for defails
.mfsmaster.lock
  lock file of running MooseFS master process (created in data directory)
metadata.mfs, metadata.mfs.back
  MooseFS filesystem metadata image (created in data directory)
changelog.*.mfs
  MooseFS filesystem metadata change logs (created in data directory; merged into metadata.mfs once per hour)
data.stats
  MooseFS master charts state (created in data directory)

REPORTING BUGS

Report bugs to <bugs@moosefs.com>.

COPYRIGHT

Copyright (C) 2016 Jakub Kruszona-Zawadzki, Core Technology Sp. z o.o.

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

SEE ALSO

mfschunkserver(8), mfsmount(8), mfsmaster.cfg(5), mfsexports.cfg(5), mfstopology.cfg(5), moosefs(7)
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MooseFS 2.0.88-1 MFSMASTER (8) March 2016

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