mfschunkserver.cfg(5) This is part of MooseFS mfschunkserver.cfg(5)NAMEmfschunkserver.cfg - main configuration file for mfschunkserver
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 pri‐
ority 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_SPACE_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 sec‐
onds (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 instal‐
lations; 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 dis‐
connection (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., 59
Temple Place, Suite 330, Boston, MA 02111-1307 USA or visit
http://www.gnu.org/licenses/gpl-2.0.html
SEE ALSOmfschunkserver(8), mfshdd.cfg(5)MooseFS 2.0.83-1 January 2016 mfschunkserver.cfg(5)
