mfschunkserver

NAME

mfschunkserver - start, restart or stop MooseFS chunkserver process

SYNOPSIS

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

mfschunkserver -v

mfschunkserver -h

DESCRIPTION

mfschunkserver is the data 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 mfschunkserver.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 chunkserver to perform one of the following actions:

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

FILES

mfschunkserver.cfg: configuration file for MooseFS chunkserver process; refer to mfschunkserver.cfg (5) manual for details
mfshdd.cfg: list of directories (mountpoints) used for MooseFS storage; refer to mfshdd.cfg (5) manual for details
.mfschunkserver.lock: lock file of running MooseFS chunkserver process (created in data directory)
chunkserverid.mfs: chunkserver ID, assigned by MooseFS master during first connection (created in data directory)
csstats.mfs: chunkserver charts stats (created in data directory)
.mfschunkserver_info.txt: chunkserver info file, created by sending the process INFO signal, with work parameters that can be used for debugging/support purposes (created in data directory)

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