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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <title>Suspending Replication Activity for a Master Group</title> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1" /> <meta name="date" content="2009-04-23T10:13:5Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="Suspending Replication Activity for a Master Group" /> <meta name="relnum" content="11g Release 1 (11.1)" /> <meta name="partnum" content="A12345-01" /> <link rel="copyright" href="./dcommon/html/cpyr.htm" title="Copyright" type="text/html" /> <link rel="stylesheet" href="./dcommon/css/blafdoc.css" title="Oracle BLAFDoc" type="text/css" /> <link rel="contents" href="toc.htm" title="Contents" type="text/html" /> <link rel="prev" href="multimaster018.htm" title="Previous" type="text/html" /> <link rel="next" href="multimaster020.htm" title="Next" type="text/html" /> <script src="./callback.js" type="text/javascript"></script> <noscript>Your browser does not support JavaScript. This help page requires JavaScript to render correctly.</noscript> </head> <body> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr valign="bottom"> <td align="left"></td> <td align="center"><a href="multimaster018.htm"><img src="./dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="multimaster020.htm"><img src="./dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="BGBBJCDC" name="BGBBJCDC"></a><a id="ADVRP189" name="ADVRP189"></a></p> <div class="sect2"><!-- infolevel="all" infotype="General" --> <h1>Suspending Replication Activity for a Master Group</h1> <p>Before completing most administrative operations for a master group or any of its replication objects, Oracle requires that you suspend replication activity for the master group at all master sites. Suspending replication activity is also called <span class="italic">quiescing</span> the master group.</p> <div class="helpinfonote"> <p><span class="bold">Note: </span>To suspend replication activity, you must be at the master definition site.</p> </div> <p>Oracle requires that you suspend replication activity before completing the following administration tasks:</p> <ul> <li> <p>Adding an object to a master group</p> </li> <li> <p>Altering the definition of an object in a master group</p> </li> <li> <p>Regenerating replication support for a replication object</p> </li> <li> <p>Adding or modifying conflict resolution for a replicated table</p> </li> <li> <p>Adding a master site destination to a master group</p> </li> <li> <p>Changing the propagation method for propagating deferred transactions from one site to another</p> </li> </ul> <p>You may need to suspend replication activity for a master group in other situations as well. For example, you may need to suspend replication activity so that you can perform queries and updates to resolve an unresolved conflict.</p> <div class="helpinfonote"> <p><span class="bold">Caution: </span>Before performing any administration task that requires you to suspend the replication activity of a master group, wait until the status of the group is "quiescing" at the master definition site. If the presence of transactions in a deferred transaction queue or a replication trigger at a site could cause a problem, then you should wait until the status of the group is "quiesced" before proceeding.</p> </div> <p>To suspend replication activity for a master group:</p> <ol> <li> <p>In Enterprise Manager, connect to the Database Instance Home page as the replication administrator.</p> </li> <li> <p>Click <span class="bold">Data Movement</span>.</p> </li> <li> <p>Under the Advanced Replication section, click <span class="bold">Manage</span>.</p> <p>The Administration Overview page appears.</p> </li> <li> <p>Under the Multimaster Replication section, click the number link next to <img src="shortcut.png" alt="callback" border="0" /><a href="javascript:void(0);" onclick="redirectEMpage('MASTER_GROUPS');">Master Groups</a>.</p> <p>The Master Groups page appears.</p> </li> <li> <p>Under the Replication Activity column, click <span class="bold">Quiesce</span>.</p> <p>The button does not appear if the replication group is already quiesced.</p> </li> </ol> <p>After suspending replication activity for a master group, monitor the status of the master group at all master sites (<a href="administer001.htm#BABHEFAH">Overview of Replication Administration</a>) before completing any administrative operation at the master definition site. When you suspend replication activity for a master group, Oracle first pushes the deferred transaction queue at all master sites before quiescing the group. During the process, Oracle Enterprise Manager displays the status of the group "Stopping (Quiescing)." Once the process completes at all sites, Oracle Enterprise Manager displays the status of the group "Stopped (Quiesced)".</p> <div class="helpinfonote"> <p><span class="bold">API Equivalent: </span><code>DBMS_REPCAT.SUSPEND_MASTER_ACTIVITY</code></p> </div> <div class="helpinfonotealso"> <h2>Related Topics</h2> <p><a href="multimaster011.htm#BGBBFBGJ">Managing Master Groups</a></p> </div> </div> <!-- class="sect2" --> <!-- Start Footer --> <div class="footer"> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr> <td align="left"><span class="copyrightlogo">Copyright © 2005, 2009, Oracle and/or its affiliates. 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