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diff --git a/docs/htmldocs/Samba3-HOWTO/msdfs.html b/docs/htmldocs/Samba3-HOWTO/msdfs.html new file mode 100644 index 0000000000..b5e062281e --- /dev/null +++ b/docs/htmldocs/Samba3-HOWTO/msdfs.html @@ -0,0 +1,94 @@ +<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Chapter 20. Hosting a Microsoft Distributed File System Tree</title><link rel="stylesheet" href="samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.71.0"><link rel="start" href="index.html" title="The Official Samba-3 HOWTO and Reference Guide"><link rel="up" href="optional.html" title="Part III. Advanced Configuration"><link rel="prev" href="InterdomainTrusts.html" title="Chapter 19. Interdomain Trust Relationships"><link rel="next" href="classicalprinting.html" title="Chapter 21. Classical Printing Support"></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 20. Hosting a Microsoft Distributed File System Tree</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="InterdomainTrusts.html">Prev</a> </td><th width="60%" align="center">Part III. Advanced Configuration</th><td width="20%" align="right"> <a accesskey="n" href="classicalprinting.html">Next</a></td></tr></table><hr></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="msdfs"></a>Chapter 20. Hosting a Microsoft Distributed File System Tree</h2></div><div><div class="author"><h3 class="author"><span class="firstname">Shirish</span> <span class="surname">Kalele</span></h3><div class="affiliation"><span class="orgname">Samba Team & Veritas Software<br></span><div class="address"><p><br> + <code class="email"><<a href="mailto:samba@samba.org">samba@samba.org</a>></code><br> + </p></div></div></div></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 href="mailto:jht@samba.org">jht@samba.org</a>></code></p></div></div></div></div><div><p class="pubdate">12 Jul 2000</p></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="msdfs.html#id382680">Features and Benefits</a></span></dt><dt><span class="sect1"><a href="msdfs.html#id383064">Common Errors</a></span></dt><dd><dl><dt><span class="sect2"><a href="msdfs.html#id383094">MSDFS UNIX Path Is Case-Critical</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="id382680"></a>Features and Benefits</h2></div></div></div><p> +<a class="indexterm" name="id382687"></a> +<a class="indexterm" name="id382697"></a> +<a class="indexterm" name="id382703"></a> +<a class="indexterm" name="id382710"></a> +<a class="indexterm" name="id382717"></a> + The distributed file system (DFS) provides a means of separating the logical + view of files and directories that users see from the actual physical locations + of these resources on the network. It allows for higher availability, smoother + storage expansion, load balancing, and so on. + </p><p> +<a class="indexterm" name="id382730"></a> +<a class="indexterm" name="id382736"></a> +<a class="indexterm" name="id382743"></a> + For information about DFS, refer to the <a href="http://www.microsoft.com/NTServer/nts/downloads/winfeatures/NTSDistrFile/AdminGuide.asp" target="_top">Microsoft + documentation</a>. This document explains how to host a DFS tree on a UNIX machine (for DFS-aware clients + to browse) using Samba. + </p><p> +<a class="indexterm" name="id382761"></a> +<a class="indexterm" name="id382768"></a> +<a class="indexterm" name="id382774"></a> +<a class="indexterm" name="id382781"></a> + A Samba server can be made a DFS server by setting the global Boolean <a class="indexterm" name="id382789"></a>host msdfs + parameter in the <code class="filename">smb.conf</code> file. You designate a share as a DFS root using the share-level Boolean + <a class="indexterm" name="id382803"></a>msdfs root parameter. A DFS root directory on Samba hosts DFS links in the form of + symbolic links that point to other servers. For example, a symbolic link + <code class="filename">junction->msdfs:storage1\share1</code> in the share directory acts as the DFS junction. When + DFS-aware clients attempt to access the junction link, they are redirected to the storage location (in this + case, <em class="parameter"><code>\\storage1\share1</code></em>). + </p><p> +<a class="indexterm" name="id382828"></a> +<a class="indexterm" name="id382835"></a> +<a class="indexterm" name="id382842"></a> +<a class="indexterm" name="id382848"></a> + DFS trees on Samba work with all DFS-aware clients ranging from Windows 95 to 200x. + <a href="msdfs.html#dfscfg" title="Example 20.1. smb.conf with DFS Configured">The following sample configuration</a> shows how to setup a DFS tree on a Samba server. + In the <code class="filename">/export/dfsroot</code> directory, you set up your DFS links to + other servers on the network. +</p><pre class="screen"> +<code class="prompt">root# </code><strong class="userinput"><code>cd /export/dfsroot</code></strong> +<code class="prompt">root# </code><strong class="userinput"><code>chown root /export/dfsroot</code></strong> +<code class="prompt">root# </code><strong class="userinput"><code>chmod 755 /export/dfsroot</code></strong> +<code class="prompt">root# </code><strong class="userinput"><code>ln -s msdfs:storageA\\shareA linka</code></strong> +<code class="prompt">root# </code><strong class="userinput"><code>ln -s msdfs:serverB\\share,serverC\\share linkb</code></strong> +</pre><p> +</p><div class="example"><a name="dfscfg"></a><p class="title"><b>Example 20.1. smb.conf with DFS Configured</b></p><div class="example-contents"><table class="simplelist" border="0" summary="Simple list"><tr><td> </td></tr><tr><td><em class="parameter"><code>[global]</code></em></td></tr><tr><td><a class="indexterm" name="id382954"></a><em class="parameter"><code>netbios name = GANDALF</code></em></td></tr><tr><td><a class="indexterm" name="id382966"></a><em class="parameter"><code>host msdfs = yes</code></em></td></tr><tr><td> </td></tr><tr><td><em class="parameter"><code>[dfs]</code></em></td></tr><tr><td><a class="indexterm" name="id382988"></a><em class="parameter"><code>path = /export/dfsroot</code></em></td></tr><tr><td><a class="indexterm" name="id383000"></a><em class="parameter"><code>msdfs root = yes</code></em></td></tr></table></div></div><br class="example-break"><p> +<a class="indexterm" name="id383016"></a> +<a class="indexterm" name="id383023"></a> +<a class="indexterm" name="id383030"></a> + You should set up the permissions and ownership of the directory acting as the DFS root so that only + designated users can create, delete, or modify the msdfs links. Also note that symlink names should be all + lowercase. This limitation exists to have Samba avoid trying all the case combinations to get at the link + name. Finally, set up the symbolic links to point to the network shares you want and start Samba. + </p><p> +<a class="indexterm" name="id383043"></a> +<a class="indexterm" name="id383050"></a> + Users on DFS-aware clients can now browse the DFS tree on the Samba server at + <code class="constant">\\samba\dfs</code>. Accessing links linka or linkb (which appear as directories to the client) + takes users directly to the appropriate shares on the network. + </p></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id383064"></a>Common Errors</h2></div></div></div><div class="itemizedlist"><ul type="disc"><li><p>Windows clients need to be rebooted + if a previously mounted non-DFS share is made a DFS + root, or vice versa. A better way is to introduce a + new share and make it the DFS root.</p></li><li><p>Currently, there's a restriction that msdfs + symlink names should all be lowercase.</p></li><li><p>For security purposes, the directory + acting as the root of the DFS tree should have ownership + and permissions set so only designated users can + modify the symbolic links in the directory.</p></li></ul></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id383094"></a>MSDFS UNIX Path Is Case-Critical</h3></div></div></div><p> + A network administrator sent advice to the Samba mailing list + after long sessions trying to determine why DFS was not working. + His advice is worth noting. + </p><p>“<span class="quote"> + I spent some time trying to figure out why my particular + DFS root wasn't working. I noted in the documentation that + the symlink should be in all lowercase. It should be + amended that the entire path to the symlink should all be + in lowercase as well. + </span>”</p><p> + “<span class="quote">For example, I had a share defined as such:</span>” + </p><table class="simplelist" border="0" summary="Simple list"><tr><td> </td></tr><tr><td><em class="parameter"><code>[pub]</code></em></td></tr><tr><td><a class="indexterm" name="id383131"></a><em class="parameter"><code>path = /export/home/Shares/public_share</code></em></td></tr><tr><td><a class="indexterm" name="id383143"></a><em class="parameter"><code>msdfs root = yes</code></em></td></tr></table><p> + “<span class="quote">and I could not make my Windows 9x/Me (with the dfs client installed) follow this symlink:</span>” + </p><pre class="screen"> + damage1 -> msdfs:damage\test-share + </pre><p> + </p><p> + “<span class="quote">Running a debug level of 10 reveals:</span>” + </p><pre class="programlisting"> + [2003/08/20 11:40:33, 5] msdfs/msdfs.c:is_msdfs_link(176) + is_msdfs_link: /export/home/shares/public_share/* does not exist. + </pre><p> + “<span class="quote">Curious. So I changed the directory name from <code class="constant">.../Shares/...</code> to + <code class="constant">.../shares/...</code> (along with my service definition) and it worked!</span>” + </p></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="InterdomainTrusts.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="optional.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="classicalprinting.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter 19. Interdomain Trust Relationships </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> Chapter 21. Classical Printing Support</td></tr></table></div></body></html> |