151 lines
7.8 KiB
HTML
151 lines
7.8 KiB
HTML
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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="dc.language" scheme="rfc1766" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<meta name="dc.date" scheme="iso8601" content="2005-09-06" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow"/>
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<title>Directory Server (LDAP) - Set up a gateway topology</title>
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<link rel="stylesheet" type="text/css" href="ibmidwb.css" />
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<link rel="stylesheet" type="text/css" href="ic.css" />
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</head>
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<body>
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<a id="Top_Of_Page" name="Top_Of_Page"></a><!-- Java sync-link -->
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<script language = "Javascript" src = "../rzahg/synch.js" type="text/javascript"></script>
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<img src="delta.gif" alt="Start of change" />
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<a name="rzahygatewaytop"></a>
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<h3 id="rzahygatewaytop">Set up a gateway topology</h3>
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<p> Before starting to set up your replication topology, make a backup copy
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of your original ibmslapd.conf file. You can use this backup copy to restore
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your original configuration if you encounter difficulties with replication.</p>
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<p>To set up a gateway using the complex topology with peer replication from
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the procedure in <a href="rzahypromoteserver.htm#rzahypromoteserver">Promote a server to be a peer</a>, you must complete the
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following steps:</p>
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<ul>
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<li>Convert an existing peer server (peer 1) to a gateway server to create
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replication site 1.</li>
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<li>Create a new gateway server for replication site 2 and agreements with
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peer 1.</li>
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<li>Create the topology for replication site 2 (not illustrated in this example).</li>
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<li>Copy the data from the master to all the machines in the topology.</li></ul>
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<p><span class="bold">Convert an existing peer server to a gateway server</span></p>
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<ol type="1">
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<li>Use the Web administration tool to log in to the master (server1).</li>
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<li>Expand the <span class="bold">Replication management</span> category
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in the navigation area and click <span class="bold">Manage topology</span>.</li>
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<li>Select the subtree that you want to replicate and click <span class="bold">Show topology</span>.</li>
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<li>Click the arrow next to the <span class="bold">Replication topology</span> selection
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to expand the list of servers.</li>
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<li>To convert an existing server to a gateway server, select <span class="bold">server1</span> or its peer <span class="bold">server5</span>. For this example use <span class="bold">server1</span>.</li>
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<li>Click <span class="bold">Edit server</span>.</li>
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<li>Verify that <span class="bold">Server is a master</span> is checked and then
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select <span class="bold">Server is a gateway</span>.</li>
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<li>Click <span class="bold">OK</span>.
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<a name="wq257"></a>
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<div class="notetitle" id="wq257">Note:</div>
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<div class="notebody">If the server you want
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to use as a gateway is not already a master, it must be a leaf replica with
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no subordinate replicas that you can first promote to be a master and then
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designate as a gateway.</div></li></ol>
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<p><span class="bold">Create a gateway server and copy data from the master
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to all machines in the topology</span></p>
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<ol type="1">
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<li>Select <span class="bold">server1</span> and click <span class="bold">Add replica</span>.</li>
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<li>Create the new replica, <span class="bold">server9</span>. See <a href="rzahycreaterep.htm#rzahycreaterep">Create a replica server</a> for
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information about creating replicas, adding credentials, and supplier information.</li>
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<li>Select <span class="bold">server9</span> and click <span class="bold">Move</span>.</li>
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<li>Select <span class="bold">Replication topology</span> to promote the replica
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to a master. Click <span class="bold">Move</span>.</li>
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<li>The <span class="bold">Create additional supplier agreements</span> panel
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is displayed. In this panel, ensure that the supplier agreement boxes are
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checked for server1 only.
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<a name="wq259"></a>
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<table id="wq259" width="90%" summary="" border="1" frame="border" rules="all">
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<thead valign="bottom">
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<tr>
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<th id="wq260" width="9%" align="center" valign="top"></th>
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<th id="wq261" width="45%" align="center" valign="top">Supplier</th>
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<th id="wq262" width="45%" align="center" valign="top">Consumer</th>
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</tr>
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</thead>
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<tbody valign="top">
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<tr>
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<td align="center" headers="wq260">X</td>
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<td headers="wq261">server9</td>
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<td headers="wq262">server1</td>
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</tr>
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<tr>
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<td align="center" headers="wq260"></td>
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<td headers="wq261">server9</td>
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<td headers="wq262">server2</td>
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</tr>
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<tr>
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<td align="center" headers="wq260"></td>
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<td headers="wq261">server9</td>
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<td headers="wq262">server4</td>
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</tr>
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<tr>
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<td align="center" headers="wq260"></td>
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<td headers="wq261">server9</td>
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<td headers="wq262">server5</td>
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</tr>
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</tbody>
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</table>Click <span class="bold">Continue</span>.
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<a name="wq263"></a>
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<div class="notetitle" id="wq263">Note:</div>
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<div class="notebody">In some cases
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the <span class="bold">Select credentials</span> panel is shown asking
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for a credential that is located in a place other than cn=replication,cn=localhost.
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In such situations you must provide a credential object that is located in
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a place other than cn=replication,cn=localhost. Select the credentials the
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subtree is going to use from the existing sets of credentials or create new
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credentials. See <a href="rzahycreatecreds.htm#rzahycreatecreds">Create credentials</a>.</div></li>
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<li>Click <span class="bold">OK</span>.</li>
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<li>Select <span class="bold">server9</span> and click <span class="bold">Edit server</span>.</li>
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<li>Verify that <span class="bold">Server is a master</span> is checked and then
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select <span class="bold">Server is a gateway</span>.</li>
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<li>Click <span class="bold">OK</span>. The server roles are represented by icons
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in the Web administration tool. Your topology is now:
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<ul>
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<li>server1 (master-gateway for replication site1)
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<ul>
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<li>server2 (forwarder)
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<ul>
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<li>server3 (replica)</li>
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<li>server6 (replica)</li></ul></li>
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<li>server4 (forwarder)
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<ul>
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<li>server7 (replica)</li>
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<li>server8 (replica)</li></ul></li>
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<li>server5 (master)</li>
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<li>server9 (master-gateway for replication site 2)</li></ul></li>
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<li>server5 (master)
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<ul>
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<li>server1 (master)</li>
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<li>server2 (forwarder)</li>
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<li>server4 (forwarder)</li></ul></li>
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<li>server9 (master-gatway)
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<ul>
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<li>server1 (master-gateway)</li></ul></li></ul></li>
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<li>Add replica servers to <span class="bold">server9</span> to create the topology
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for replication site 2.</li>
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<li>Repeat this process to create additional replication sites. Remember to
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create only one gateway server per replication site.</li>
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<li>When you have finished creating the topology, copy the data from server1
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to all the new servers in all the replication sites and add the supplier information
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to all the new servers. See <a href="rzahyexportdata.htm#rzahyexportdata">Copy data to the replica</a> and <a href="rzahyaddsupply.htm#rzahyaddsupply">Add the supplier information to the replica</a> for
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information on how to do that.</li></ol><img src="deltaend.gif" alt="End of change" />
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<a id="Bot_Of_Page" name="Bot_Of_Page"></a>
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</body>
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</html>
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