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Man Pages


Manual Reference Pages  -  MFSCHUNKSERVER.CFG (5)

NAME

mfschunkserver.cfg - main configuration file for mfschunkserver

CONTENTS

Description
Syntax
Options
Copyright

DESCRIPTION

The file mfschunkserver.cfg contains configuration of MooseFS chunkserver process.

SYNTAX

Syntax is:
OPTION = VALUE
Lines starting with # character are ignored as comments.

OPTIONS

Configuration options:
WORKING_USER
  user to run daemon as
WORKING_GROUP
  group to run daemon as; optional value - if empty then default user group will be used
SYSLOG_IDENT
  name of process to place in syslog messages; default is mfschunkserver
LOCK_MEMORY
  whether to perform mlockall() to avoid swapping out mfschunkserver process; default is 0, i.e. no
NICE_LEVEL
  nice level to run daemon with; default is -19; note: process must be started as root to increase priority, if setting of priority fails, process retains the nice level it started with
FILE_UMASK
  set default umask for group and others (user has always 0); default is 027 - block write for group and block all for others
DATA_PATH
  where to store daemon lock file
HDD_CONF_FILENAME
  alternate location/name of mfshdd.cfg file
HDD_TEST_FREQ
  chunk test period in seconds; default is 10
HDD_LEAVE DEFAULT
  how much space should be left unused on each hard drive; number format: [0-9]*(.[0-9]*)?([kMGTPE]|[KMGTPE]i)?B? ; default is 256MiB; examples: 0.5GB, .5G, 2.56GiB, 1256M etc.
HDD_REBALANCE_UTILIZATION
  percent of total work time the chunkserver is allowed to spend on hdd space rebalancing; default is 20
HDD_ERROR_TOLERANCE_COUNT,HDD_ERROR_TOLERANCE_PERIOD
  how many i/o errors (COUNT) to tolerate in given amount of seconds (PERIOD) on a single hard drive; if the number of errors exceeds this setting, the offending hard drive will be marked as damaged; defaults are 2 and 600
HDD_FSYNC_BEFORE_CLOSE
  enables/disables fsync before chunk closing; deafult is 0 (off)
WORKERS_MAX,WORKERS_MAX_IDLE
  maximum number of active workers and maximum number of idle workers; defaults are 150 and 40
BIND_HOST
  local address to use for master connections; default is *, i.e. default local address
MASTER_HOST
  MooseFS master host, IP is allowed only in single-master installations; default is mfsmaster
MASTER_PORT
  MooseFS master command port; default is 9420
MASTER_CONTROL_PORT
  MooseFS master control port; default is 9419
MASTER_TIMEOUT
  timeout in seconds for master connections; default is 60
MASTER_RECONNECTION_DELAY
  delay in seconds before trying to reconnect to master after disconnection (default is 5)
BIND_HOST
  local address to use for connecting with master (default is *, i.e. default local address)
CSSERV_LISTEN_HOST
  IP address to listen on for client (mount) connections (* means any)
CSSERV_LISTEN_PORT
  port to listen on for client (mount) connections (default is 9422)
CSSERV_TIMEOUT
  timeout (in seconds) for client (mount) connections (default is 5)

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), mfshdd.cfg(5)
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MooseFS 2.0.88-1 MFSCHUNKSERVER.CFG (5) March 2016

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