96 lines
6.0 KiB
HTML
96 lines
6.0 KiB
HTML
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<meta name="DC.Title" content="Monitor cluster status" />
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<meta name="abstract" content="Taking appropriate actions when necessary, the cluster resource services performs basic monitoring of a cluster and its components using the reliable message function and heartbeat monitoring." />
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<title>Monitor cluster status</title>
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<body id="rzaigmanagemonitor"><a name="rzaigmanagemonitor"><!-- --></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">Monitor cluster status</h1>
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<div><p>Taking appropriate actions when necessary, the cluster resource
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services performs basic monitoring of a cluster and its components using the
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reliable message function and heartbeat monitoring.</p>
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<div class="section"><p>You can also manually monitor the status of a cluster and its
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components.</p>
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<p><strong>Using iSeries™ Navigator</strong></p>
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<p>This requires Option
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41 (HA Switchable Resources) to be installed and licensed.</p>
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<p>To monitor
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the status of a cluster in iSeries Navigator:</p>
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</div>
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<ol><li><span>In iSeries Navigator,
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expand Management Central.</span></li>
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<li><span>Expand <span class="uicontrol">Clusters</span>.</span></li>
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<li><span>Navigate within the iSeries Navigator folders for the desired
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cluster to view the status of the cluster, its nodes, and resources using
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the Status column in the iSeries Navigator list. The online help contains
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descriptions of the possible values for the Status column. You can also right-click
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on components of the cluster and select <span class="uicontrol">Properties</span> to
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view information about the cluster.</span></li>
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</ol>
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<div class="section"><p><strong>Using CL commands and APIs</strong></p>
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<p>You can use the following
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commands and APIs to monitor cluster status:</p>
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<dl><dt class="dlterm">Cluster Information</dt>
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<dd>Retrieves information about a cluster, such as the nodes in the cluster,
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which adapter IP addresses are being used on each node, and the status of
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each node in the cluster. <ul><li><a href="../cl/dspcluinf.htm"><span class="cmdname">Display
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Cluster Information (DSPCLUINF)</span> command</a></li>
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<li><a href="../apis/clcntlstci.htm"><span class="apiname">List
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Cluster Information (QcstListClusterInfo)</span> API</a></li>
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<li><a href="../apis/clcntlstddi.htm"><span class="apiname">List
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Device Domain Info (QcstListDeviceDomainInfo)</span> API</a></li>
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<li><a href="../apis/clcntrtvci.htm"><span class="apiname">Retrieve
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Cluster Resource Services Information (QcstRetrieveCRSInfo)</span> API</a></li>
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<li><a href="../apis/clcntrtvci.htm"><span class="apiname">Retrieve
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Cluster Information (QcstRetrieveClusterInfo)</span> API</a></li>
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</ul>
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</dd>
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<dt class="dlterm">Cluster Resource Group information</dt>
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<dd>Generates a list of cluster resource groups and information about the
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cluster resource group in the cluster, such as the name of the primary node
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of each CRG in the cluster. <ul><li><a href="../cl/dspcrginf.htm"><span class="cmdname">Display
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Cluster Resource Group Information (DSPCRGINF)</span> command</a></li>
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<li><a href="../apis/clrglstcrg.htm"><span class="apiname">List
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Cluster Resource Groups (QcstListClusterResourceGroups)</span> API</a></li>
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<li><a href="../apis/clrglstcrgi.htm"><span class="apiname">List
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Cluster Resource Group Information (QcstListClusterResourceGroupInf)</span> API</a></li>
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</ul>
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</dd>
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</dl>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaigmanage.htm" title="This topic contains information that covers some of the tasks that involve managing your clusters.">Manage clusters</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="rzaigconceptsreliablemessagefunction.htm" title="The reliable message function of cluster resource services keeps track of each node in a cluster and ensures that all nodes have consistent information about the state of cluster resources.">Reliable message function</a></div>
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<div><a href="rzaigconceptsheartbeatmonitor.htm" title="Heartbeat monitoring is a cluster resource services function that ensures that each node is active by sending a signal from every node in the cluster to every other node in the cluster to convey that they are still active.">Heartbeat monitoring</a></div>
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</div>
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</div>
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</body>
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