74 lines
4.8 KiB
HTML
74 lines
4.8 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) - Create a unique attributes list</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" /><img src="delta.gif" alt="Start of change" />
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<a name="rzahycreateunique"></a>
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<h3 id="rzahycreateunique">Create a unique attributes list</h3>
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<ol type="1">
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<li>Expand the <span class="bold">Server administration </span>category
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in the navigation area. Click <span class="bold">Manage unique attributes</span>.</li>
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<li>Select the attribute that you want to add as a unique attribute from the <span class="bold">Available attributes</span> menu. The available attributes
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listed are those that can be designated as unique; for example, sn.</li>
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<li>Click either <span class="bold">Add to cn=localhost</span> or <span class="bold">Add to cn=IBMpolicies</span>. The difference between these
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two containers is that cn=IBMpolicies entries are replicated and cn=localhost
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entries are not. The attribute is displayed in the appropriate list box. You
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can list the same attribute in both containers.
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<a name="wq191"></a>
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<div class="notetitle" id="wq191">Note:</div>
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<div class="notebody">If an entry
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is created under both cn=localhost and cn=IBMpolicies, the resultant union
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of these two entries is the unique attributes list. For example, if the attributes
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cn and employeeNumber are designated as unique in cn=localhost and the attributes
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cn and telephoneNumber are designated as unique in cn=IBMploicies, the server
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treats the attributes cn, employeeNumber, and telephoneNumber as unique attributes.</div></li>
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<li>Repeat this process for each attribute you want to add as a unique attribute.</li>
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<li>Click <span class="bold">OK</span> to save your changes.</li></ol>
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<p>When adding or modifying a unique attribute entry, if establishing a unique
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constraint for any of the listed unique attribute types results in errors,
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the entry is not added or created in the directory. The problem must be resolved
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and the command to add or modify must be reissued before the entry can be
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created or modified. For example, while adding a unique attribute entry to
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the directory, if establishing a unique constraint on a table for one of the
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listed unique attribute types failed (that is, because of having duplicate
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values in the database), a unique attribute entry is not added to the directory.
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An error is issued.</p>
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<p>When an application tries to add an entry to the directory with a value
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for the attribute that duplicates an existing directory entry, an error with
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result code 20 (LDAP: error code 20 - Attribute or Value Exists) from the
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LDAP server is issued.</p>
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<p>When the server starts, it checks the list of unique attributes and determines
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if the DB2 constraints exist for each of them. If the constraint does not
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exist for an attribute because it was removed by the bulkload utility or because
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it was removed manually by the user, it is removed from the unique attributes
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list and an error message is logged in the error log, ibmslapd.log. For example,
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if the attribute cn is designated as unique in cn=uniqueattributes,cn=localhost
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and there is no DB2 constraint for it the following message is logged:</p>
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<p></p>
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<pre class="xmp">Values for the attribute CN are not unique.
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The attribute CN was removed from the unique attribute
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entry: CN=UNIQUEATTRIBUTES,CN=LOCALHOST</pre><img src="deltaend.gif" alt="End of change" /><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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