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| author | Jelmer Vernooij <jelmer@samba.org> | 2003-07-01 22:58:52 +0000 |
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| committer | Jelmer Vernooij <jelmer@samba.org> | 2003-07-01 22:58:52 +0000 |
| commit | 3878085eca35d5c3b08761f61281de0b1b49ce2d (patch) | |
| tree | aa9e3aa50d1fc99ce341ee2eff24352266c2063b /docs/htmldocs/NT4Migration.html | |
| parent | b32d48533f3ad9e8a510c83c8acf4d543556549d (diff) | |
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diff --git a/docs/htmldocs/NT4Migration.html b/docs/htmldocs/NT4Migration.html index 47798252f4..72c6269f0e 100644 --- a/docs/htmldocs/NT4Migration.html +++ b/docs/htmldocs/NT4Migration.html @@ -1,16 +1,15 @@ -<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> -<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Chapter 31. Migration from NT4 PDC to Samba-3 PDC</title><link rel="stylesheet" href="samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.60.1"><link rel="home" href="index.html" title="SAMBA Project Documentation"><link rel="up" href="migration.html" title="Part IV. Migration and Updating"><link rel="previous" href="upgrading-to-3.0.html" title="Chapter 30. Upgrading from Samba-2.x to Samba-3.0.0"><link rel="next" href="SWAT.html" title="Chapter 32. SWAT - The Samba Web Administration Tool"></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. Migration from NT4 PDC to Samba-3 PDC</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="upgrading-to-3.0.html">Prev</a> </td><th width="60%" align="center">Part IV. Migration and Updating</th><td width="20%" align="right"> <a accesskey="n" href="SWAT.html">Next</a></td></tr></table><hr></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="NT4Migration"></a>Chapter 31. Migration from NT4 PDC to Samba-3 PDC</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><tt class="email"><<a href="mailto:jht@samba.org">jht@samba.org</a>></tt></p></div></div></div></div><div><p class="pubdate">April 3, 2003</p></div></div><div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><a href="NT4Migration.html#id3000009">Planning and Getting Started</a></dt><dd><dl><dt><a href="NT4Migration.html#id3000033">Objectives</a></dt><dt><a href="NT4Migration.html#id2998961">Steps In Migration Process</a></dt></dl></dd><dt><a href="NT4Migration.html#id3001178">Migration Options</a></dt><dd><dl><dt><a href="NT4Migration.html#id3001259">Planning for Success</a></dt><dt><a href="NT4Migration.html#id3001500">Samba Implementation Choices</a></dt></dl></dd></dl></div><p> +<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Chapter 31. Migration from NT4 PDC to Samba-3 PDC</title><link rel="stylesheet" href="samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.60.1"><link rel="home" href="index.html" title="SAMBA Project Documentation"><link rel="up" href="migration.html" title="Part IV. Migration and Updating"><link rel="previous" href="upgrading-to-3.0.html" title="Chapter 30. Upgrading from Samba-2.x to Samba-3.0.0"><link rel="next" href="SWAT.html" title="Chapter 32. SWAT - The Samba Web Administration Tool"></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. Migration from NT4 PDC to Samba-3 PDC</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="upgrading-to-3.0.html">Prev</a> </td><th width="60%" align="center">Part IV. Migration and Updating</th><td width="20%" align="right"> <a accesskey="n" href="SWAT.html">Next</a></td></tr></table><hr></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="NT4Migration"></a>Chapter 31. Migration from NT4 PDC to Samba-3 PDC</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><tt class="email"><<a href="mailto:jht@samba.org">jht@samba.org</a>></tt></p></div></div></div></div><div><p class="pubdate">April 3, 2003</p></div></div><div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><a href="NT4Migration.html#id3001339">Planning and Getting Started</a></dt><dd><dl><dt><a href="NT4Migration.html#id3001368">Objectives</a></dt><dt><a href="NT4Migration.html#id3004043">Steps In Migration Process</a></dt></dl></dd><dt><a href="NT4Migration.html#id3004381">Migration Options</a></dt><dd><dl><dt><a href="NT4Migration.html#id3004462">Planning for Success</a></dt><dt><a href="NT4Migration.html#id3004704">Samba Implementation Choices</a></dt></dl></dd></dl></div><p> This is a rough guide to assist those wishing to migrate from NT4 domain control to Samba-3 based domain control. -</p><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id3000009"></a>Planning and Getting Started</h2></div></div><div></div></div><p> +</p><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id3001339"></a>Planning and Getting Started</h2></div></div><div></div></div><p> In the IT world there is often a saying that all problems are encountered because of -poor planning. The corrollary to this saying is that not all problems can be anticpated -and planned for. Then again, good planning will anticpate most show stopper type situations. +poor planning. The corollary to this saying is that not all problems can be anticipated +and planned for. Then again, good planning will anticipate most show stopper type situations. </p><p> Those wishing to migrate from MS Windows NT4 domain control to a Samba-3 domain control environment would do well to develop a detailed migration plan. So here are a few pointers to help migration get under way. -</p><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id3000033"></a>Objectives</h3></div></div><div></div></div><p> +</p><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id3001368"></a>Objectives</h3></div></div><div></div></div><p> The key objective for most organisations will be to make the migration from MS Windows NT4 to Samba-3 domain control as painless as possible. One of the challenges you may experience in your migration process may well be one of convincing management that the new environment @@ -29,15 +28,15 @@ features that Microsoft has promoted as core values in migration from MS Windows MS Windows 2000 and beyond (with or without Active Directory services). </p><p> What are the features that Samba-3 can NOT provide? -</p><table class="simplelist" border="0" summary="Simple list"><tr><td>Active Directory Server</td></tr><tr><td>Group Policy Objects (in Active Direcrtory)</td></tr><tr><td>Machine Policy objects</td></tr><tr><td>Logon Scripts in Active Directorty</td></tr><tr><td>Software Application and Access Controls in Active Directory</td></tr></table><p> +</p><table class="simplelist" border="0" summary="Simple list"><tr><td>Active Directory Server</td></tr><tr><td>Group Policy Objects (in Active Directory)</td></tr><tr><td>Machine Policy objects</td></tr><tr><td>Logon Scripts in Active Directory</td></tr><tr><td>Software Application and Access Controls in Active Directory</td></tr></table><p> The features that Samba-3 DOES provide and that may be of compelling interest to your site includes: -</p><table class="simplelist" border="0" summary="Simple list"><tr><td>Lower Cost of Ownership</td></tr><tr><td>Global availability of support with no strings attached</td></tr><tr><td>Dynamic SMB Servers (ie:Can run more than one server per Unix/Linux system)</td></tr><tr><td>Creation of on-the-fly logon scripts</td></tr><tr><td>Creation of on-the-fly Policy Files</td></tr><tr><td>Greater Stability, Reliability, Performance and Availability</td></tr><tr><td>Manageability via an ssh connection</td></tr><tr><td>Flexible choices of back-end authentication technologies (tdbsam, ldapsam, mysqlsam)</td></tr><tr><td>Ability to implement a full single-signon architecture</td></tr><tr><td>Ability to distribute authentication systems for absolute minimum wide area network bandwidth demand</td></tr></table><p> +</p><table class="simplelist" border="0" summary="Simple list"><tr><td>Lower Cost of Ownership</td></tr><tr><td>Global availability of support with no strings attached</td></tr><tr><td>Dynamic SMB Servers (ie:Can run more than one server per Unix/Linux system)</td></tr><tr><td>Creation of on-the-fly logon scripts</td></tr><tr><td>Creation of on-the-fly Policy Files</td></tr><tr><td>Greater Stability, Reliability, Performance and Availability</td></tr><tr><td>Manageability via an ssh connection</td></tr><tr><td>Flexible choices of back-end authentication technologies (tdbsam, ldapsam, mysqlsam)</td></tr><tr><td>Ability to implement a full single-sign-on architecture</td></tr><tr><td>Ability to distribute authentication systems for absolute minimum wide area network bandwidth demand</td></tr></table><p> Before migrating a network from MS Windows NT4 to Samba-3 it is vital that all necessary factors are considered. Users should be educated about changes they may experience so that the change will be a welcome one and not become an obstacle to the work they need to do. The following are some of the factors that will go into a successful migration: -</p><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id2998734"></a>Domain Layout</h4></div></div><div></div></div><p> +</p><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id3002882"></a>Domain Layout</h4></div></div><div></div></div><p> Samba-3 can be configured as a domain controller, a back-up domain controller (probably best called a secondary controller), a domain member, or as a stand-alone server. The Windows network security domain context should be sized and scoped before implementation. Particular attention needs to be @@ -54,11 +53,11 @@ and network bandwidth. A physical network segment may house several domains, each of which may span multiple network segments. Where domains span routed network segments it is most advisable to consider and test the performance implications of the design and layout of a network. A Centrally located domain controller that is being -designed to serve mulitple routed network segments may result in severe performance problems if the +designed to serve multiple routed network segments may result in severe performance problems if the response time (eg: ping timing) between the remote segment and the PDC is more than 100 ms. In situations where the delay is too long it is highly recommended to locate a backup controller (BDC) to serve as the local authentication and access control server. -</p></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id2998787"></a>Server Share and Directory Layout</h4></div></div><div></div></div><p> +</p></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id3002935"></a>Server Share and Directory Layout</h4></div></div><div></div></div><p> There are few cardinal rules to effective network design that can be broken with impunity. The most important rule of effective network management is that simplicity is king in every well controlled network. Every part of the infrastructure must be managed, the more complex @@ -83,48 +82,48 @@ complex mess that has been inherited. Remember, apparent job security through co and implementation may ultimately cause loss of operations and downtime to users as the new administrator learns to untangle your web. Keep access controls simple and effective and make sure that users will never be interrupted by the stupidity of complexity. -</p></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id2998849"></a>Logon Scripts</h4></div></div><div></div></div><p> -Please refer to the section of this document on Advanced Network Adminsitration for information +</p></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id3002997"></a>Logon Scripts</h4></div></div><div></div></div><p> +Please refer to the section of this document on Advanced Network Administration for information regarding the network logon script options for Samba-3. Logon scripts can help to ensure that all users gain share and printer connections they need. </p><p> Logon scripts can be created on-the-fly so that all commands executed are specific to the -rights and privilidges granted to the user. The preferred controls should be affected through -group membership so that group information can be used to custom create a logong script using +rights and privileges granted to the user. The preferred controls should be affected through +group membership so that group information can be used to custom create a logon script using the <i class="parameter"><tt>root preexec</tt></i> parameters to the <tt class="filename">NETLOGON</tt> share. </p><p> Some sites prefer to use a tool such as <b class="command">kixstart</b> to establish a controlled user environment. In any case you may wish to do a google search for logon script process controls. In particular, you may wish to explore the use of the Microsoft knowledgebase article KB189105 that deals with how to add printers without user intervention via the logon script process. -</p></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id2998906"></a>Profile Migration/Creation</h4></div></div><div></div></div><p> +</p></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id3003055"></a>Profile Migration/Creation</h4></div></div><div></div></div><p> User and Group Profiles may be migrated using the tools described in the section titled Desktop Profile Management. </p><p> Profiles may also be managed using the Samba-3 tool <b class="command">profiles</b>. This tool allows the MS Windows NT style security identifiers (SIDs) that are stored inside the profile NTuser.DAT file to be changed to the SID of the Samba-3 domain. -</p></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id2998936"></a>User and Group Accounts</h4></div></div><div></div></div><p> +</p></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id3004018"></a>User and Group Accounts</h4></div></div><div></div></div><p> It is possible to migrate all account settings from an MS Windows NT4 domain to Samba-3. Before attempting to migrate user and group accounts it is STRONGLY advised to create in Samba-3 the groups that are present on the MS Windows NT4 domain <span class="emphasis"><em>AND</em></span> to connect these to suitable Unix/Linux groups. Following this simple advice will mean that all user and group attributes should migrate painlessly. -</p></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2998961"></a>Steps In Migration Process</h3></div></div><div></div></div><p> +</p></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id3004043"></a>Steps In Migration Process</h3></div></div><div></div></div><p> The approximate migration process is described below. </p><div class="itemizedlist"><ul type="disc"><li><p> You will have an NT4 PDC that has the users, groups, policies and profiles to be migrated </p></li><li><p> Samba-3 set up as a DC with netlogon share, profile share, etc. -</p></li></ul></div><div class="procedure"><p class="title"><b>Procedure 31.1. The Account Migration Process</b></p><ol type="1"><li><p>Create a BDC account for the samba server using NT Server Manager</p><ol type="a"><li><p>Samba must NOT be running</p></li></ol></li><li><p><b class="userinput"><tt>rpcclient <i class="replaceable"><tt>NT4PDC</tt></i> -U Administrator%<i class="replaceable"><tt>passwd</tt></i></tt></b></p><ol type="a"><li><p>lsaquery</p></li><li><p>Note the SID returned</p></li></ol></li><li><p><b class="userinput"><tt>net getsid -S <i class="replaceable"><tt>NT4PDC</tt></i> -w <i class="replaceable"><tt>DOMNAME</tt></i> -U Administrator%<i class="replaceable"><tt>passwd</tt></i></tt></b></p><ol type="a"><li><p>Note the SID</p></li></ol></li><li><p><b class="userinput"><tt>net getlocalsid</tt></b></p><ol type="a"><li><p>Note the SID, now check that all three SIDS reported are the same!</p></li></ol></li><li><p><b class="userinput"><tt>net rpc join -S <i class="replaceable"><tt>NT4PDC</tt></i> -w <i class="replaceable"><tt>DOMNAME</tt></i> -U Administrator%<i class="replaceable"><tt>passwd</tt></i></tt></b></p></li><li><p><b class="userinput"><tt>net rpc vampire -S <i class="replaceable"><tt>NT4PDC</tt></i> -U administrator%<i class="replaceable"><tt>passwd</tt></i></tt></b></p></li><li><p><b class="userinput"><tt>pdbedit -L</tt></b></p><ol type="a"><li><p>Note - did the users migrate?</p></li></ol></li><li><p><b class="userinput"><tt>initGrps.sh <i class="replaceable"><tt>DOMNAME</tt></i></tt></b></p></li><li><p><b class="userinput"><tt>net groupmap list</tt></b></p><ol type="a"><li><p>Now check that all groups are recognised</p></li></ol></li><li><p><b class="userinput"><tt>net rpc campire -S <i class="replaceable"><tt>NT4PDC</tt></i> -U administrator%<i class="replaceable"><tt>passwd</tt></i></tt></b></p></li><li><p><b class="userinput"><tt>pdbedit -Lv</tt></b></p><ol type="a"><li><p>Note - check that all group membership has been migrated</p></li></ol></li></ol></div><p> +</p></li></ul></div><div class="procedure"><p class="title"><b>Procedure 31.1. The Account Migration Process</b></p><ol type="1"><li><p>Create a BDC account for the samba server using NT Server Manager</p><ol type="a"><li><p>Samba must NOT be running</p></li></ol></li><li><p><b class="userinput"><tt>rpcclient <i class="replaceable"><tt>NT4PDC</tt></i> -U Administrator%<i class="replaceable"><tt>passwd</tt></i></tt></b></p><ol type="a"><li><p>lsaquery</p></li><li><p>Note the SID returned</p></li></ol></li><li><p><b class="userinput"><tt>net getsid -S <i class="replaceable"><tt>NT4PDC</tt></i> -w <i class="replaceable"><tt>DOMNAME</tt></i> -U Administrator%<i class="replaceable"><tt>passwd</tt></i></tt></b></p><ol type="a"><li><p>Note the SID</p></li></ol></li><li><p><b class="userinput"><tt>net getlocalsid</tt></b></p><ol type="a"><li><p>Note the SID, now check that all three SIDS reported are the same!</p></li></ol></li><li><p><b class="userinput"><tt>net rpc join -S <i class="replaceable"><tt>NT4PDC</tt></i> -w <i class="replaceable"><tt>DOMNAME</tt></i> -U Administrator%<i class="replaceable"><tt>passwd</tt></i></tt></b></p></li><li><p><b class="userinput"><tt>net rpc vampire -S <i class="replaceable"><tt>NT4PDC</tt></i> -U administrator%<i class="replaceable"><tt>passwd</tt></i></tt></b></p></li><li><p><b class="userinput"><tt>pdbedit -L</tt></b></p><ol type="a"><li><p>Note - did the users migrate?</p></li></ol></li><li><p><b class="userinput"><tt>initGrps.sh <i class="replaceable"><tt>DOMNAME</tt></i></tt></b></p></li><li><p><b class="userinput"><tt>net groupmap list</tt></b></p><ol type="a"><li><p>Now check that all groups are recognised</p></li></ol></li><li><p><b class="userinput"><tt>net rpc vampire -S <i class="replaceable"><tt>NT4PDC</tt></i> -U administrator%<i class="replaceable"><tt>passwd</tt></i></tt></b></p></li><li><p><b class="userinput"><tt>pdbedit -Lv</tt></b></p><ol type="a"><li><p>Note - check that all group membership has been migrated</p></li></ol></li></ol></div><p> Now it is time to migrate all the profiles, then migrate all policy files. More later. -</p></div></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id3001178"></a>Migration Options</h2></div></div><div></div></div><p> +</p></div></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id3004381"></a>Migration Options</h2></div></div><div></div></div><p> Based on feedback from many sites as well as from actual installation and maintenance experience sites that wish to migrate from MS Windows NT4 Domain Control to a Samba based solution fit into three basic categories. -</p><div class="table"><a name="id3001193"></a><p class="title"><b>Table 31.1. The 3 Major Site Types</b></p><table summary="The 3 Major Site Types" border="1"><colgroup><col><col></colgroup><thead><tr><th>Number of Users</th><th>Description</th></tr></thead><tbody><tr><td>< 50</td><td><p>Want simple conversion with NO pain</p></td></tr><tr><td>50 - 250</td><td><p>Want new features, can manage some in-house complexity</p></td></tr><tr><td>> 250</td><td><p>Solution/Implementation MUST scale well, complex needs. Cross departmental decision process. Local expertise in most areas</p></td></tr></tbody></table></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id3001259"></a>Planning for Success</h3></div></div><div></div></div><p> -There are three basic choices for sites that intend to migrate from MS Windwows NT4 +</p><div class="table"><a name="id3004398"></a><p class="title"><b>Table 31.1. The 3 Major Site Types</b></p><table summary="The 3 Major Site Types" border="1"><colgroup><col><col></colgroup><thead><tr><th>Number of Users</th><th>Description</th></tr></thead><tbody><tr><td>< 50</td><td><p>Want simple conversion with NO pain</p></td></tr><tr><td>50 - 250</td><td><p>Want new features, can manage some in-house complexity</p></td></tr><tr><td>> 250</td><td><p>Solution/Implementation MUST scale well, complex needs. Cross departmental decision process. Local expertise in most areas</p></td></tr></tbody></table></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id3004462"></a>Planning for Success</h3></div></div><div></div></div><p> +There are three basic choices for sites that intend to migrate from MS Windows NT4 to Samba-3. </p><div class="itemizedlist"><ul type="disc"><li><p> Simple Conversion (total replacement) @@ -142,20 +141,20 @@ No matter what choice you make, the following rules will minimise down-stream pr Test ALL assumptions </p></li><li><p> Test full roll-out program, including workstation deployment - </p></li></ul></div><div class="table"><a name="id3001329"></a><p class="title"><b>Table 31.2. Nature of the Conversion Choices</b></p><table summary="Nature of the Conversion Choices" border="1"><colgroup><col><col><col></colgroup><thead><tr><th>Simple</th><th>Upgraded</th><th>Redesign</th></tr></thead><tbody><tr><td><p>Make use of minimal OS specific features</p></td><td><p>Translate NT4 features to new host OS features</p></td><td><p>Decide:</p></td></tr><tr><td><p>Suck all accounts from NT4 into Samba-3</p></td><td><p>Copy and improve:</p></td><td><p>Authentication Regime (database location and access)</p></td></tr><tr><td><p>Make least number of operational changes</p></td><td><p>Make progressive improvements</p></td><td><p>Desktop Management Methods</p></td></tr><tr><td><p>Take least amount of time to migrate</p></td><td><p>Minimise user impact</p></td><td><p>Better Control of Desktops / Users</p></td></tr><tr><td><p>Live versus Isolated Conversion</p></td><td><p>Maximise functionality</p></td><td><p>Identify Needs for: Manageability, Scalability, Security, Availability</p></td></tr><tr><td><p>Integrate Samba-3 then migrate while users are active, then Change of control (ie: swap out)</p></td><td><p>Take advantage of lower maintenance opportunity</p></td><td><p></p></td></tr></tbody></table></div></div><div xmlns:ns94="" class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id3001500"></a>Samba Implementation Choices</h3></div></div><div></div></div><pre class="programlisting"> + </p></li></ul></div><div class="table"><a name="id3004535"></a><p class="title"><b>Table 31.2. Nature of the Conversion Choices</b></p><table summary="Nature of the Conversion Choices" border="1"><colgroup><col><col><col></colgroup><thead><tr><th>Simple</th><th>Upgraded</th><th>Redesign</th></tr></thead><tbody><tr><td><p>Make use of minimal OS specific features</p></td><td><p>Translate NT4 features to new host OS features</p></td><td><p>Decide:</p></td></tr><tr><td><p>Suck all accounts from NT4 into Samba-3</p></td><td><p>Copy and improve:</p></td><td><p>Authentication Regime (database location and access)</p></td></tr><tr><td><p>Make least number of operational changes</p></td><td><p>Make progressive improvements</p></td><td><p>Desktop Management Methods</p></td></tr><tr><td><p>Take least amount of time to migrate</p></td><td><p>Minimise user impact</p></td><td><p>Better Control of Desktops / Users</p></td></tr><tr><td><p>Live versus Isolated Conversion</p></td><td><p>Maximise functionality</p></td><td><p>Identify Needs for: Manageability, Scalability, Security, Availability</p></td></tr><tr><td><p>Integrate Samba-3 then migrate while users are active, then Change of control (ie: swap out)</p></td><td><p>Take advantage of lower maintenance opportunity</p></td><td><p></p></td></tr></tbody></table></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id3004704"></a>Samba Implementation Choices</h3></div></div><div></div></div><pre class="programlisting"> Authentication database back end Winbind (external Samba or NT4/200x server) Can use pam_mkhomedir.so to auto-create home dirs External server could use Active Directory or NT4 Domain Database type - smbpasswd, tdbsam, ldapsam, MySQLsam + smbpasswd, tdbsam, ldapsam, mysqlsam Access Control Points On the Share itself (Use NT4 Server Manager) On the file system Unix permissions on files and directories - Posix ACLs enablement in file system? + Enable Posix ACLs in file system? Through Samba share parameters Not recommended - except as only resort @@ -199,5 +198,5 @@ Migration Tools Authentication New SAM back end (smbpasswd, tdbsam, ldapsam, mysqlsam) -</pre><ns94:p> -</ns94:p></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="upgrading-to-3.0.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="migration.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="SWAT.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter 30. Upgrading from Samba-2.x to Samba-3.0.0 </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> Chapter 32. 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