Added original samba
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Xavier Beaudouin
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net/samba416/files/man/ctdb.sysconfig.5
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net/samba416/files/man/ctdb.sysconfig.5
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'\" t
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.\" Title: ctdb.sysconfig
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.\" Author:
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.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
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.\" Date: 09/23/2020
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.\" Manual: CTDB - clustered TDB database
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.\" Source: ctdb
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.\" Language: English
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.\"
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.TH "CTDB\&.SYSCONFIG" "5" "09/23/2020" "ctdb" "CTDB \- clustered TDB database"
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.\" -----------------------------------------------------------------
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.\" * Define some portability stuff
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.\" -----------------------------------------------------------------
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.\" http://bugs.debian.org/507673
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.ie \n(.g .ds Aq \(aq
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.el .ds Aq '
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.\" -----------------------------------------------------------------
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.\" * set default formatting
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.\" -----------------------------------------------------------------
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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.SH "NAME"
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ctdb.sysconfig \- CTDB daemon configuration file
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.SH "DESCRIPTION"
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.PP
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This file contains configuration that affects the operation of CTDB\&. This is a distribution\-specific service configuration file such as
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/etc/sysconfig/ctdb
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(Red Hat) or
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/etc/default/ctdb
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(Debian) and is a shell script (see
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\fBsh\fR(1))\&.
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.SH "GLOBAL CONFIGURATION"
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.PP
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CTDB_INIT_STYLE=debian|redhat|suse
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.RS 4
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This is the init style used by the Linux distribution (or other operating system) being used\&. This is usually determined dynamically by checking the system\&. This variable is used by the initscript to determine which init system primitives to use\&. It is also used by some eventscripts to choose the name of initscripts for certain services, since these can vary between distributions\&.
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.sp
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If using CTDB\*(Aqs event scripts are unable to determine an appropriate default then this option can also be placed in a relevant
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\fBctdb-script.options\fR(5)
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file\&.
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.sp
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Default: NONE\&. Guessed, based on features of distribution\&.
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.RE
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.PP
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CTDB_STARTUP_TIMEOUT=\fINUM\fR
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.RS 4
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NUM is the number of seconds to wait for
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\fBctdbd\fR(1)
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complete early initialisation up to a point where it is unlikely to abort\&. If
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\fBctdbd\fR
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doesn\*(Aqt complete the "setup" event before this timeout then it is killed\&.
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.sp
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Defaults: 10
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.RE
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.SH "RESOURCE LIMITS"
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.SS "Maximum number of open files"
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.PP
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CTDB can use a lot of file descriptors, especially when used with Samba\&. If there are thousands of smbd processes connected to CTDB when this can mean that thousands of file descriptors are used\&. For CTDB, it is often necessary to increase limit on the maximum number of open files\&.
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.PP
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The maximum number of open files should be configured using an operating system mechanism\&.
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.PP
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systemd
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.RS 4
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The
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LimitNOFILE=\fBLIMIT\fR
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option can be used in a unit/service file increase the maximum number of open files\&. See
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\fBsystemd.exec\fR(5)
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for details\&.
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.RE
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.PP
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SYSV init
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.RS 4
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Use a command like
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\fBulimit \-n \fR\fB\fBLIMIT\fR\fR
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to increase the maximum number of open files\&. This command can be put in the relevant distribution\-specific service configuration file\&.
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.RE
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.SS "Allowing core dumps"
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.PP
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Many distributions do not allow core dump files to be generated by default\&. To assist with debugging, core files can be enabled\&. This should be configured using an operating system mechanism\&.
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.PP
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systemd
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.RS 4
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The
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LimitCORE=0|unlimited
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option can be used in a unit/service file\&.
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0
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disallows core files,
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unlimited
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allows them\&. maximum number of open files\&. See
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\fBsystemd.exec\fR(5)
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for details\&.
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.RE
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.PP
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SYSV init
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.RS 4
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Use a command like
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\fBulimit \-c 0|unlimited\fR
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to disable or enable core files as required\&. This command can be put in the relevant distribution\-specific service configuration file\&.
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.RE
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.SH "FILES"
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.RS 4
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/etc/sysconfig/ctdb
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.RE
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.RS 4
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/etc/default/ctdb
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.RE
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.RS 4
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/usr/local/etc/ctdb/script\&.options
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.RE
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.SH "SEE ALSO"
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.PP
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\fBctdbd\fR(1),
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\fBctdb-script.options\fR(5),
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\fBctdb\fR(7),
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\m[blue]\fB\%http://ctdb.samba.org/\fR\m[]
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.SH "AUTHOR"
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.br
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.PP
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This documentation was written by Martin Schwenke
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.SH "COPYRIGHT"
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.br
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Copyright \(co 2007 Andrew Tridgell, Ronnie Sahlberg
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.br
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.PP
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This program 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; either version 3 of the License, or (at your option) any later version\&.
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.PP
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This program 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\&.
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.PP
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You should have received a copy of the GNU General Public License along with this program; if not, see
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\m[blue]\fB\%http://www.gnu.org/licenses\fR\m[]\&.
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.sp
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