'\" t
.\"     Title: smbtar
.\"    Author: [see the "AUTHOR" section]
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: 08/09/2022
.\"    Manual: User Commands
.\"    Source: Samba 4.13.13-Debian
.\"  Language: English
.\"
.TH "SMBTAR" "1" "08/09/2022" "Samba 4\&.13\&.13\-Debian" "User Commands"
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.SH "NAME"
smbtar \- shell script for backing up SMB/CIFS shares directly to UNIX tape drives
.SH "SYNOPSIS"
.HP \w'\ 'u
smbtar [\-r] [\-i] [\-a] [\-v] {\-s\ server} [\-p\ password] [\-x\ services] [\-X] [\-N\ filename] [\-b\ blocksize] [\-d\ directory] [\-l\ loglevel] [\-u\ user] [\-t\ tape] {filenames}
.SH "DESCRIPTION"
.PP
This tool is part of the
\fBsamba\fR(7)
suite\&.
.PP
smbtar
is a very small shell script on top of
\fBsmbclient\fR(1)
which dumps SMB shares directly to tape\&.
.SH "OPTIONS"
.PP
\-s server
.RS 4
The SMB/CIFS server that the share resides upon\&.
.RE
.PP
\-x service
.RS 4
The share name on the server to connect to\&. The default is "backup"\&.
.RE
.PP
\-X
.RS 4
Exclude mode\&. Exclude filenames\&.\&.\&. from tar create or restore\&.
.RE
.PP
\-d directory
.RS 4
Change to initial
\fIdirectory \fR
before restoring / backing up files\&.
.RE
.PP
\-v
.RS 4
Verbose mode\&.
.RE
.PP
\-p password
.RS 4
The password to use to access a share\&. Default: none
.RE
.PP
\-u user
.RS 4
The user id to connect as\&. Default: UNIX login name\&.
.RE
.PP
\-a
.RS 4
Reset DOS archive bit mode to indicate file has been archived\&.
.RE
.PP
\-t tape
.RS 4
Tape device\&. May be regular file or tape device\&. Default:
\fI$TAPE\fR
environmental variable; if not set, a file called
tar\&.out\&.
.RE
.PP
\-b blocksize
.RS 4
Blocking factor\&. Defaults to 20\&. See
tar(1)
for a fuller explanation\&.
.RE
.PP
\-N filename
.RS 4
Backup only files newer than filename\&. Could be used (for example) on a log file to implement incremental backups\&.
.RE
.PP
\-i
.RS 4
Incremental mode; tar files are only backed up if they have the archive bit set\&. The archive bit is reset after each file is read\&.
.RE
.PP
\-r
.RS 4
Restore\&. Files are restored to the share from the tar file\&.
.RE
.PP
\-l log level
.RS 4
Log (debug) level\&. Corresponds to the
\fI\-d\fR
flag of
\fBsmbclient\fR(1)\&.
.RE
.SH "ENVIRONMENT VARIABLES"
.PP
The
\fI$TAPE\fR
variable specifies the default tape device to write to\&. May be overridden with the \-t option\&.
.SH "BUGS"
.PP
The
smbtar
script has different options from ordinary tar and from smbclient\*(Aqs tar command\&.
.SH "CAVEATS"
.PP
Sites that are more careful about security may not like the way the script handles PC passwords\&. Backup and restore work on entire shares; should work on file lists\&. smbtar works best with GNU tar and may not work well with other versions\&.
.SH "DIAGNOSTICS"
.PP
See the
\fIDIAGNOSTICS\fR
section for the
\fBsmbclient\fR(1)
command\&.
.SH "VERSION"
.PP
This man page is part of version 4\&.13\&.13\-Debian of the Samba suite\&.
.SH "SEE ALSO"
.PP
\fBsmbd\fR(8),
\fBsmbclient\fR(1),
\fBsmb.conf\fR(5)\&.
.SH "AUTHOR"
.PP
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\&.
.PP
Ricky Poulten
wrote the tar extension and this man page\&. The
smbtar
script was heavily rewritten and improved by
Martin Kraemer\&. Many thanks to everyone who suggested extensions, improvements, bug fixes, etc\&. The man page sources were converted to YODL format (another excellent piece of Open Source software, available at
ftp://ftp\&.icce\&.rug\&.nl/pub/unix/) and updated for the Samba 2\&.0 release by Jeremy Allison\&. The conversion to DocBook for Samba 2\&.2 was done by Gerald Carter\&. The conversion to DocBook XML 4\&.2 for Samba 3\&.0 was done by Alexander Bokovoy\&.