Backup
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Xavier Beaudouin
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net/samba416.old/files/man/tdbbackup.8
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net/samba416.old/files/man/tdbbackup.8
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'\" t
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.\" Title: tdbbackup
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.\" Author: [see the "AUTHOR" section]
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.\" Generator: DocBook XSL Stylesheets v1.76.1 <http://docbook.sf.net/>
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.\" Date: 2015-04-25
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.\" Manual: System Administration tools
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.\" Source: Samba 3.6
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.\" Language: English
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.\"
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.TH "TDBBACKUP" "8" "2015\-04\-25" "Samba 3\&.6" "System Administration tools"
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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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tdbbackup \- tool for backing up and for validating the integrity of samba \&.tdb files
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.SH "SYNOPSIS"
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.HP \w'\fBtdbbackup\fR\ 'u
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\fBtdbbackup\fR [\-s\ suffix] [\-v] [\-h] [\-l]
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.SH "DESCRIPTION"
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.PP
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This tool is part of the
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\fBsamba\fR(1)
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suite\&.
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.PP
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\fBtdbbackup\fR
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is a tool that may be used to backup samba \&.tdb files\&. This tool may also be used to verify the integrity of the \&.tdb files prior to samba startup or during normal operation\&. If it finds file damage and it finds a prior backup the backup file will be restored\&.
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.SH "OPTIONS"
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.PP
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\-h
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.RS 4
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Get help information\&.
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.RE
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.PP
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\-s suffix
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.RS 4
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The
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\fB\-s\fR
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option allows the administrator to specify a file backup extension\&. This way it is possible to keep a history of tdb backup files by using a new suffix for each backup\&.
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.RE
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.PP
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\-v
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.RS 4
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The
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\fB\-v\fR
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will check the database for damages (corrupt data) which if detected causes the backup to be restored\&.
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.RE
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.PP
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\-l
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.RS 4
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This options disables any locking, by passing TDB_NOLOCK to tdb_open_ex()\&. Only use this for database files which are not used by any other process! And also only if it is otherwise not possible to open the database, e\&.g\&. databases which were created with mutex locking\&.
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.RE
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.SH "COMMANDS"
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.PP
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\fIGENERAL INFORMATION\fR
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.PP
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The
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\fBtdbbackup\fR
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utility can safely be run at any time\&. It was designed so that it can be used at any time to validate the integrity of tdb files, even during Samba operation\&. Typical usage for the command will be:
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.PP
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tdbbackup [\-s suffix] *\&.tdb
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.PP
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Before restarting samba the following command may be run to validate \&.tdb files:
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.PP
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tdbbackup \-v [\-s suffix] *\&.tdb
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.PP
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Samba \&.tdb files are stored in various locations, be sure to run backup all \&.tdb file on the system\&. Important files includes:
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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\fBsecrets\&.tdb\fR
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\- usual location is in the /usr/local/samba/private directory, or on some systems in /etc/samba\&.
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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\fBpassdb\&.tdb\fR
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\- usual location is in the /usr/local/samba/private directory, or on some systems in /etc/samba\&.
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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\fB*\&.tdb\fR
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located in the /usr/local/samba/var directory or on some systems in the /var/cache or /var/lib/samba directories\&.
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.RE
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.SH "VERSION"
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.PP
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This man page is correct for version 3 of the Samba suite\&.
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.SH "AUTHOR"
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.PP
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The original Samba software and related utilities were created by Andrew Tridgell\&. Samba is now developed by the Samba Team as an Open Source project similar to the way the Linux kernel is developed\&.
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.PP
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The tdbbackup man page was written by John H Terpstra\&.
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