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+<?xml version="1.0" encoding="iso-8859-1"?>
+<!DOCTYPE chapter PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc">
+<chapter id="Backup">
+<chapterinfo>
+	&author.jht;
+</chapterinfo>
+
+<title>Backup Techniques</title>
+
+<sect1>
+<title>Features and Benefits</title>
+
+<para>
+The Samba project is over ten years old. During the early history
+of Samba, UNIX administrators were its key implementors. UNIX administrators
+will use UNIX system tools to backup UNIX system files. Over the past
+four years, an increasing number of Microsoft network administrators have
+taken an interest in Samba. This is reflected in the questions about backup
+in general on the Samba mailing lists.
+</para>
+
+</sect1>
+
+<sect1>
+<title>Discussion of Backup Solutions</title>
+
+<para>
+During discussions at a Microsoft Windows training course, one of
+the pro-UNIX delegates stunned the class when he pointed out that Windows
+NT4 is so limiting compared with UNIX. He likened UNIX to a Meccano set
+that has an unlimited number of tools that are simple, efficient,
+and, in combination, capable of achieving any desired outcome.
+</para>
+
+<para>
+One of the Windows networking advocates retorted that if she wanted a
+Meccano set, she would buy one. She made it clear that a complex single
+tool that does more than is needed but does it with a clear purpose and
+intent is preferred by some like her.
+</para>
+
+<para>
+Please note that all information here is provided as is and without recommendation
+of fitness or suitability. The network administrator is strongly encouraged to
+perform due-diligence research before implementing any backup solution, whether free
+software or commercial.
+</para>
+
+<para>
+A useful Web site I recently stumbled across that you might like to refer to
+is located at <ulink noescape="1" url="http://www.allmerchants.com/Software/Backup_Software/">
+www.allmerchants.com</ulink>.
+</para>
+
+<para>
+The following three free software projects might also merit consideration.
+</para>
+
+	<sect2>
+	<title>BackupPC</title>
+
+
+	<para>
+	<indexterm><primary>BackupPC</primary></indexterm>
+	BackupPC version 2.0.0 has been released on <ulink url="http://backuppc.sourceforge.net">SourceForge.</ulink>
+	 New features include support for <command>rsync/rsyncd</command> and internationalization of the CGI interface
+	(including English, French, Spanish, and German).
+	</para>
+
+	<para>
+	BackupPC is a high-performance Perl-based package for backing up Linux,
+	UNIX or Windows PCs and laptops to a server's disk. BackupPC is highly
+	configurable and easy to install and maintain. SMB (via smbclient),
+	<command>tar</command> over <command>rsh/ssh</command> or <command>rsync/rsyncd</command>
+	 are used to extract client data.
+	</para>
+
+	<para>
+	Given the ever decreasing cost of disks and raid systems, it is now
+	practical and cost effective to backup a large number of machines onto
+	a server's local disk or network storage. This is what BackupPC does.
+	</para>
+
+	<para>
+	Key features are pooling of identical files (big savings in server disk
+	space), compression, and a comprehensive CGI interface that allows users
+	to browse backups and restore files.
+	</para>
+
+	<para>
+	BackupPC is free software distributed under a GNU GPL license.
+	BackupPC runs on Linux/UNIX/freenix servers, and has been tested
+	on Linux, UNIX, Windows 9x/ME, Windows 98, Windows 200x, Windows XP, and Mac OSX clients.
+	</para>
+
+	</sect2>
+
+	<sect2>
+	<title>Rsync</title>
+
+	<para><command>rsync</command> is a flexible program for efficiently copying files or
+		directory trees.</para>
+
+	<para><command>rsync</command> has many options to select which files will be copied
+	  and how they are to be transferred. It may be used as an
+	  alternative to <command>ftp, http, scp</command>, or <command>rcp</command>.</para>
+
+	<para>The rsync remote-update protocol allows rsync to transfer just
+	  the differences between two sets of files across the network link,
+	  using an efficient checksum-search algorithm described in the
+	  technical report that accompanies the rsync package.</para>
+
+	<para>Some of the additional features of rsync are:</para>
+
+	<itemizedlist>
+
+		<listitem>
+		  <para>
+		    Support for copying links, devices, owners, groups, and permissions.
+		  </para>
+		</listitem>
+
+		<listitem>
+		  <para>
+		    Exclude and exclude-from options are similar to GNU tar.
+		  </para>
+		</listitem>
+
+		<listitem>
+		  <para>
+		    A CVS exclude mode for ignoring the same files that CVS would ignore.
+		  </para>
+		</listitem>
+
+		<listitem>
+		  <para>
+		    Can use any transparent remote shell, including rsh or ssh.
+		  </para>
+		</listitem>
+
+		<listitem>
+		  <para>
+		    Does not require root privileges.
+		  </para>
+		</listitem>
+
+		<listitem>
+		  <para>
+		    Pipelining of file transfers to minimize latency costs.
+		  </para>
+		</listitem>
+
+		<listitem>
+		  <para>
+		    Support for anonymous or authenticated rsync servers (ideal for
+		    mirroring).
+		  </para>
+		</listitem>
+	</itemizedlist>
+
+	</sect2>
+
+	<sect2>
+	<title>Amanda</title>
+
+
+	<para>
+	<indexterm><primary>Amanda</primary></indexterm>
+	Amanda, the Advanced Maryland Automatic Network Disk Archiver, is a backup system that
+	allows the administrator of a LAN to set up a single master backup server to back up
+	multiple hosts to a single large capacity tape drive. Amanda uses native dump and/or
+	GNU tar facilities and can back up a large number of workstations running multiple
+	versions of UNIX. Recent versions can also use Samba to back up Microsoft Windows hosts.
+	</para>
+
+	<para>
+	For more information regarding Amanda, please check the <ulink url="http://www.amanda.org/">
+	www.amanda.org/ site.</ulink>
+	</para>
+
+	</sect2>
+
+	<sect2>
+	<title>BOBS: Browseable Online Backup System</title>
+
+	
+	<para>
+	<indexterm><primary>BOBS</primary></indexterm>
+	Browseable Online Backup System (BOBS) is a complete online backup system. Uses large
+	disks for storing backups and lets users browse the files using a Web browser. Handles
+	some special files like AppleDouble and icon files.
+	</para>
+
+	<para>
+	The home page for BOBS is located at <ulink url="http://bobs.sourceforge.net/">
+	bobs.sourceforge.net.</ulink>
+	</para>
+
+	</sect2>
+
+</sect1>
+
+</chapter>