130 lines
8.6 KiB
HTML
130 lines
8.6 KiB
HTML
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<meta name="abstract" content="In order to activate the replication of journal entries to a given remote journal, the following must be true:" />
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<title>Activate the replication of journal entries to a remote journal</title>
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</head>
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<body id="rzakiactiverep"><a name="rzakiactiverep"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Activate the replication of journal entries to a remote journal</h1>
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<div><p>In order to activate the replication of journal entries to a given
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remote journal, the following must be true:</p>
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<div class="section"><ul><li>The remote journal that you wish to activate must not have a journal state
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of *ACTIVE. For instance, this might seem to be a reasonable request if you
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wanted to simply change the delivery mode from synchronous to asynchronous.
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However, the remote journal must be inactive before you can activate it.</li>
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<li>The remote journal that you wish to activate must not be actively replicating
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journal entries to other remote journals, as in a cascade configuration. You
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must inactivate the remote journals that are immediately downstream before
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activating the remote journal.</li>
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</ul>
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<p>You need to provide the following input in order to activate the replication
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of journal entries to a remote journal on a target system:</p>
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<ul><li>The journal name and library on the source system from which journal entries
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will be replicated.</li>
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<li>The remote journal name and library on the target system to which journal
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entries will be replicated.</li>
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<li>A relational database directory entry, which identifies the target system
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and other necessary communications information.</li>
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<li>The delivery mode to be used. Specify either synchronous or asynchronous
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delivery mode.</li>
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<li>The journal receiver from which to start journal entry replication which
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defines the starting point for journal entry replication.</li>
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<li>If an asynchronous delivery mode was specified, then the <span class="uicontrol">sending
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task priority</span> may also be specified. If a value is not specified,
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the system selects a default priority, which is higher than what the user
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can specify for this value. Setting this value too large may cause a greater
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journal entry latency or lag.</li>
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</ul>
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<p>To activate the remote journal, proceed as follows:</p>
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</div>
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<ol><li><span>In the <strong>iSeries™ Navigator</strong> window, expand the system you
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want to use.</span></li>
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<li><span>Expand <span class="uicontrol">Databases</span>.</span></li>
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<li><span>Expand the database that contains the journal.</span></li>
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<li><span>Expand <span class="uicontrol">Schemas</span>.</span></li>
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<li><span>Click the schema that contains the journal that has the associated
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remote journal that you want to activate.</span></li>
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<li><span>Right-click the journal, and select <span class="uicontrol">Properties</span>.</span></li>
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<li><span>On the <span class="uicontrol">Journal Properties</span> dialog, click <span class="uicontrol">Remote
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Journals</span>.</span></li>
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<li><img src="./delta.gif" alt="Start of change" /><span>On the <strong>Remote Journals </strong>dialog,
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select the remote journal in the list of remote journals, and then click <strong>Activate</strong> to
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activate the selected remote journal.</span><img src="./deltaend.gif" alt="End of change" /></li>
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</ol>
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<div class="section"><p>You can also activate the replication of journal entries from a
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journal on a source system to a remote journal on a target system by using
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one of the following methods:</p>
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<ul><li>The Change Journal State (QjoChangeJournalState) API</li>
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<li>The Change Remote Journal (CHGRMTJRN) command</li>
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</ul>
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<p>Both the QjoChangeJournalState API and the CHGRMTJRN command must
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be issued from the source system.</p>
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<p>The activation of the remote journal
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can be a long running process. This may occur if there are a large number
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of journal receivers and entries that initially must be caught-up in the remote
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journal.</p>
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<p>Catch-up phase for remote journals has more detailed information
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about the catch-up phase.</p>
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</div>
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</div>
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<div>
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<ul class="ullinks">
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<li class="ulchildlink"><strong><a href="rzakicatchup.htm">Catch-up phase for remote journals</a></strong><br />
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<span class="uicontrol">Catch-up</span> refers to the process of replicating
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journal entries that existed in the journal receivers of the source journal
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before the remote journal was activated.</li>
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</ul>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzakiactive.htm" title="Activating a remote journal means starting and then maintaining the replication of journal entries from a source journal to a remote journal. Activating a remote journal always occurs from the source system.">Activate and inactivate remote journals</a></div>
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</div>
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<div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="rzakisynch.htm" title="The terms asynchronously maintained and synchronously maintained both describe a remote journal function delivery mode for journal entry replication.">Synchronous and asynchronous delivery mode for remote journals</a></div>
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<div><a href="rzakisrcjrnrcv.htm" title="When you specify a journal receiver for remote journaling, you are specifying where the replication of journal entries will start.">Where the replication of journal entries start</a></div>
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<div><a href="rzakiriplconsid.htm" title="This topic discusses the considerations for remote journaling when you restart the server.">Remote journal considerations when restarting the server</a></div>
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</div>
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<div class="reltasks"><strong>Related tasks</strong><br />
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<div><a href="rzakiaddremj.htm" title="This topic provides instructions for adding a remote journal.">Add remote journals</a></div>
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<div><a href="rzakirecovdtails.htm" title="A description of the recovery process for remote journaling.">Details: Recovery for remote journaling scenario</a></div>
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</div>
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<div class="relref"><strong>Related reference</strong><br />
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<div><a href="../apis/QJOCHGST.htm">Change Journal State (QjoChangeJournalState) API</a></div>
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<div><a href="../cl/chgrmtjrn.htm">Change Remote Journal (CHGRMTJRN) command</a></div>
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</div>
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<div class="relinfo"><strong>Related information</strong><br />
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<div><a href="rzakirdatarep.htm" title="In this scenario, JKLINT and JKLINT2 use remote journaling for data replication purposes only.">Scenario: Data replication environment for remote journals</a></div>
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</div>
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</div>
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</body>
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</html>
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