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r368 r411 1 <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Chapter 31. Backup Techniques</title><link rel="stylesheet" href="../samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.7 5.2"><link rel="home" href="index.html" title="The Official Samba 3.3.x HOWTO and Reference Guide"><link rel="up" href="optional.html" title="Part III. Advanced Configuration"><link rel="prev" href="unicode.html" title="Chapter 30. Unicode/Charsets"><link rel="next" href="SambaHA.html" title="Chapter 32. High Availability"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 31. Backup Techniques</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="unicode.html">Prev</a> </td><th width="60%" align="center">Part III. Advanced Configuration</th><td width="20%" align="right"> <a accesskey="n" href="SambaHA.html">Next</a></td></tr></table><hr></div><div class="chapter" title="Chapter 31. Backup Techniques"><div class="titlepage"><div><div><h2 class="title"><a name="Backup"></a>Chapter 31. Backup Techniques</h2></div><div><div class="author"><h3 class="author"><span class="firstname">John</span> <span class="othername">H.</span> <span class="surname">Terpstra</span></h3><div class="affiliation"><span class="orgname">Samba Team<br></span><div class="address"><p><code class="email"><<a class="email" href="mailto:jht@samba.org">jht@samba.org</a>></code></p></div></div></div></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="Backup.html#id2677464">Features and Benefits</a></span></dt><dt><span class="sect1"><a href="Backup.html#id2677509">Discussion of Backup Solutions</a></span></dt><dd><dl><dt><span class="sect2"><a href="Backup.html#id2677606">BackupPC</a></span></dt><dt><span class="sect2"><a href="Backup.html#id2677778">Rsync</a></span></dt><dt><span class="sect2"><a href="Backup.html#id2677947">Amanda</a></span></dt><dt><span class="sect2"><a href="Backup.html#id2677995">BOBS: Browseable Online Backup System</a></span></dt></dl></dd></dl></div><div class="sect1" title="Features and Benefits"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2677464"></a>Features and Benefits</h2></div></div></div><p>2 <a class="indexterm" name="id267 7472"></a>3 <a class="indexterm" name="id267 7479"></a>4 <a class="indexterm" name="id267 7486"></a>5 <a class="indexterm" name="id267 7493"></a>1 <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Chapter 31. Backup Techniques</title><link rel="stylesheet" href="../samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.74.0"><link rel="home" href="index.html" title="The Official Samba 3.3.x HOWTO and Reference Guide"><link rel="up" href="optional.html" title="Part III. Advanced Configuration"><link rel="prev" href="unicode.html" title="Chapter 30. Unicode/Charsets"><link rel="next" href="SambaHA.html" title="Chapter 32. High Availability"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 31. Backup Techniques</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="unicode.html">Prev</a> </td><th width="60%" align="center">Part III. Advanced Configuration</th><td width="20%" align="right"> <a accesskey="n" href="SambaHA.html">Next</a></td></tr></table><hr></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="Backup"></a>Chapter 31. Backup Techniques</h2></div><div><div class="author"><h3 class="author"><span class="firstname">John</span> <span class="othername">H.</span> <span class="orgname">Samba Team</span> <span class="surname">Terpstra</span></h3><div class="affiliation"><span class="orgname">Samba Team<br></span><div class="address"><p><code class="email"><<a class="email" href="mailto:jht@samba.org">jht@samba.org</a>></code></p></div></div></div></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="Backup.html#id2671379">Features and Benefits</a></span></dt><dt><span class="sect1"><a href="Backup.html#id2671424">Discussion of Backup Solutions</a></span></dt><dd><dl><dt><span class="sect2"><a href="Backup.html#id2671521">BackupPC</a></span></dt><dt><span class="sect2"><a href="Backup.html#id2671692">Rsync</a></span></dt><dt><span class="sect2"><a href="Backup.html#id2671862">Amanda</a></span></dt><dt><span class="sect2"><a href="Backup.html#id2671910">BOBS: Browseable Online Backup System</a></span></dt></dl></dd></dl></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2671379"></a>Features and Benefits</h2></div></div></div><p> 2 <a class="indexterm" name="id2671387"></a> 3 <a class="indexterm" name="id2671394"></a> 4 <a class="indexterm" name="id2671401"></a> 5 <a class="indexterm" name="id2671408"></a> 6 6 The Samba project is over 10 years old. During the early history 7 7 of Samba, UNIX administrators were its key implementors. UNIX administrators … … 10 10 taken an interest in Samba. This is reflected in the questions about backup 11 11 in general on the Samba mailing lists. 12 </p></div><div class="sect1" title="Discussion of Backup Solutions"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2677509"></a>Discussion of Backup Solutions</h2></div></div></div><p>13 <a class="indexterm" name="id267 7517"></a>14 <a class="indexterm" name="id267 7524"></a>12 </p></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2671424"></a>Discussion of Backup Solutions</h2></div></div></div><p> 13 <a class="indexterm" name="id2671432"></a> 14 <a class="indexterm" name="id2671438"></a> 15 15 During discussions at a Microsoft Windows training course, one of 16 16 the pro-UNIX delegates stunned the class when he pointed out that Windows … … 19 19 and, in combination, capable of achieving any desired outcome. 20 20 </p><p> 21 <a class="indexterm" name="id267 7540"></a>22 <a class="indexterm" name="id267 7547"></a>21 <a class="indexterm" name="id2671454"></a> 22 <a class="indexterm" name="id2671461"></a> 23 23 One of the Windows networking advocates retorted that if she wanted a 24 24 Meccano set, she would buy one. She made it clear that a complex single … … 26 26 intent is preferred by some like her. 27 27 </p><p> 28 <a class="indexterm" name="id267 7561"></a>29 <a class="indexterm" name="id267 7568"></a>30 <a class="indexterm" name="id267 7575"></a>28 <a class="indexterm" name="id2671476"></a> 29 <a class="indexterm" name="id2671483"></a> 30 <a class="indexterm" name="id2671490"></a> 31 31 Please note that all information here is provided as is and without recommendation 32 32 of fitness or suitability. The network administrator is strongly encouraged to … … 39 39 </p><p> 40 40 The following three free software projects might also merit consideration. 41 </p><div class="sect2" title="BackupPC"><div class="titlepage"><div><div><h3 class="title"><a name="id2677606"></a>BackupPC</h3></div></div></div><p>42 <a class="indexterm" name="id267 7614"></a>43 <a class="indexterm" name="id267 7621"></a>44 <a class="indexterm" name="id267 7628"></a>41 </p><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2671521"></a>BackupPC</h3></div></div></div><p> 42 <a class="indexterm" name="id2671529"></a> 43 <a class="indexterm" name="id2671535"></a> 44 <a class="indexterm" name="id2671542"></a> 45 45 BackupPC version 2.0.0 has been released on <a class="ulink" href="http://backuppc.sourceforge.net" target="_top">SourceForge</a>. 46 46 New features include support for <code class="literal">rsync/rsyncd</code> and internationalization of the CGI interface 47 47 (including English, French, Spanish, and German). 48 48 </p><p> 49 <a class="indexterm" name="id267 7652"></a>50 <a class="indexterm" name="id267 7659"></a>51 <a class="indexterm" name="id267 7666"></a>52 <a class="indexterm" name="id267 7672"></a>53 <a class="indexterm" name="id267 7679"></a>54 <a class="indexterm" name="id267 7686"></a>55 <a class="indexterm" name="id267 7692"></a>56 <a class="indexterm" name="id267 7699"></a>49 <a class="indexterm" name="id2671567"></a> 50 <a class="indexterm" name="id2671574"></a> 51 <a class="indexterm" name="id2671580"></a> 52 <a class="indexterm" name="id2671587"></a> 53 <a class="indexterm" name="id2671594"></a> 54 <a class="indexterm" name="id2671600"></a> 55 <a class="indexterm" name="id2671607"></a> 56 <a class="indexterm" name="id2671613"></a> 57 57 BackupPC is a high-performance Perl-based package for backing up Linux, 58 58 UNIX, and Windows PCs and laptops to a server's disk. BackupPC is highly … … 61 61 are used to extract client data. 62 62 </p><p> 63 <a class="indexterm" name="id267 7731"></a>64 <a class="indexterm" name="id267 7738"></a>65 <a class="indexterm" name="id267 7744"></a>63 <a class="indexterm" name="id2671646"></a> 64 <a class="indexterm" name="id2671652"></a> 65 <a class="indexterm" name="id2671659"></a> 66 66 Given the ever-decreasing cost of disks and RAID systems, it is now 67 67 practical and cost effective to backup a large number of machines onto … … 72 72 to browse backups and restore files. 73 73 </p><p> 74 <a class="indexterm" name="id267 7765"></a>74 <a class="indexterm" name="id2671679"></a> 75 75 BackupPC is free software distributed under a GNU GPL license. 76 76 BackupPC runs on Linux/UNIX/freenix servers and has been tested 77 77 on Linux, UNIX, Windows 9x/Me, Windows 98, Windows 200x, Windows XP, and Mac OSX clients. 78 </p></div><div class="sect2" title="Rsync"><div class="titlepage"><div><div><h3 class="title"><a name="id2677778"></a>Rsync</h3></div></div></div><p>79 <a class="indexterm" name="id267 7785"></a>80 <a class="indexterm" name="id267 7792"></a>81 <a class="indexterm" name="id267 7799"></a>82 <a class="indexterm" name="id267 7805"></a>83 <a class="indexterm" name="id267 7812"></a>84 <a class="indexterm" name="id267 7819"></a>78 </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2671692"></a>Rsync</h3></div></div></div><p> 79 <a class="indexterm" name="id2671700"></a> 80 <a class="indexterm" name="id2671707"></a> 81 <a class="indexterm" name="id2671713"></a> 82 <a class="indexterm" name="id2671720"></a> 83 <a class="indexterm" name="id2671727"></a> 84 <a class="indexterm" name="id2671734"></a> 85 85 <code class="literal">rsync</code> is a flexible program for efficiently copying files or 86 86 directory trees.</p><p><code class="literal">rsync</code> has many options to select which files will be copied 87 87 and how they are to be transferred. It may be used as an 88 88 alternative to <code class="literal">ftp, http, scp</code>, or <code class="literal">rcp</code>.</p><p> 89 <a class="indexterm" name="id267 7858"></a>90 <a class="indexterm" name="id267 7865"></a>91 <a class="indexterm" name="id267 7872"></a>89 <a class="indexterm" name="id2671773"></a> 90 <a class="indexterm" name="id2671780"></a> 91 <a class="indexterm" name="id2671787"></a> 92 92 The rsync remote-update protocol allows rsync to transfer just 93 93 the differences between two sets of files across the network link, 94 94 using an efficient checksum-search algorithm described in the 95 technical report that accompanies the rsync package.</p><p>Some of the additional features of rsync are:</p><div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"><p>95 technical report that accompanies the rsync package.</p><p>Some of the additional features of rsync are:</p><div class="itemizedlist"><ul type="disc"><li><p> 96 96 Support for copying links, devices, owners, groups, and permissions. 97 </p></li><li class="listitem"><p>97 </p></li><li><p> 98 98 Exclude and exclude-from options are similar to GNU tar. 99 </p></li><li class="listitem"><p>99 </p></li><li><p> 100 100 A CVS exclude mode for ignoring the same files that CVS would ignore. 101 </p></li><li class="listitem"><p>101 </p></li><li><p> 102 102 Can use any transparent remote shell, including rsh or ssh. 103 </p></li><li class="listitem"><p>103 </p></li><li><p> 104 104 Does not require root privileges. 105 </p></li><li class="listitem"><p>105 </p></li><li><p> 106 106 Pipelining of file transfers to minimize latency costs. 107 </p></li><li class="listitem"><p>107 </p></li><li><p> 108 108 Support for anonymous or authenticated rsync servers (ideal for 109 109 mirroring). 110 </p></li></ul></div></div><div class="sect2" title="Amanda"><div class="titlepage"><div><div><h3 class="title"><a name="id2677947"></a>Amanda</h3></div></div></div><p>111 <a class="indexterm" name="id267 7955"></a>112 <a class="indexterm" name="id267 7962"></a>113 <a class="indexterm" name="id267 7968"></a>110 </p></li></ul></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2671862"></a>Amanda</h3></div></div></div><p> 111 <a class="indexterm" name="id2671869"></a> 112 <a class="indexterm" name="id2671876"></a> 113 <a class="indexterm" name="id2671883"></a> 114 114 Amanda, the Advanced Maryland Automatic Network Disk Archiver, is a backup system that 115 115 allows the administrator of a LAN to set up a single master backup server to back up … … 120 120 For more information regarding Amanda, please check the <a class="ulink" href="http://www.amanda.org/" target="_top"> 121 121 www.amanda.org/ site</a>. 122 </p></div><div class="sect2" title="BOBS: Browseable Online Backup System"><div class="titlepage"><div><div><h3 class="title"><a name="id2677995"></a>BOBS: Browseable Online Backup System</h3></div></div></div><p>123 <a class="indexterm" name="id267 8004"></a>122 </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2671910"></a>BOBS: Browseable Online Backup System</h3></div></div></div><p> 123 <a class="indexterm" name="id2671919"></a> 124 124 Browseable Online Backup System (BOBS) is a complete online backup system. Uses large 125 125 disks for storing backups and lets users browse the files using a Web browser. Handles
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