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luhuayi
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Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: luhuayi <luhuayi@huawei.com> Co-committed-by: luhuayi <luhuayi@huawei.com>
31 lines
6.7 KiB
HTML
31 lines
6.7 KiB
HTML
<a name="EN-US_TOPIC_0000002168065788"></a><a name="EN-US_TOPIC_0000002168065788"></a>
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<h1 class="topictitle1">Managing Logical Clusters</h1>
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<div id="body0000001090474705"><div class="section" id="EN-US_TOPIC_0000002168065788__section344319410181"><h4 class="sectiontitle">Editing a Logical Cluster</h4><p id="EN-US_TOPIC_0000002168065788__p103771656151212"><strong id="EN-US_TOPIC_0000002168065788__b054415715136">Precautions</strong></p>
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<ul id="EN-US_TOPIC_0000002168065788__ul12377141319189"><li id="EN-US_TOPIC_0000002168065788__li73781213181816">Nodes are added to or removed from a logical cluster by ring.</li><li id="EN-US_TOPIC_0000002168065788__li18378161381819">At least one ring must be reserved in a logical cluster.</li><li id="EN-US_TOPIC_0000002168065788__li83789136188">The ring removed from the logical cluster will be added to the elastic cluster.</li></ul>
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<p id="EN-US_TOPIC_0000002168065788__p52242131419"><strong id="EN-US_TOPIC_0000002168065788__b102895551419">Procedure</strong></p>
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<ol id="EN-US_TOPIC_0000002168065788__ol7378181310187"><li id="EN-US_TOPIC_0000002168065788__li55471335164613"><span>Log in to the GaussDB(DWS) console. In the navigation pane, choose <strong id="EN-US_TOPIC_0000002168065788__b3995151012231">Dedicated Clusters</strong> > <strong id="EN-US_TOPIC_0000002168065788__b199961710162317">Clusters<span id="EN-US_TOPIC_0000002168065788__ph99957101231"><span id="EN-US_TOPIC_0000002168065788__text139955102234"></span></span></strong>.</span></li><li id="EN-US_TOPIC_0000002168065788__li165472356468"><span>In the cluster list, click the name of the target cluster. The <span class="parmname" id="EN-US_TOPIC_0000002168065788__parmname167603731274230"><b>Cluster Information</b></span> page is displayed.</span></li><li id="EN-US_TOPIC_0000002168065788__li113781513161815"><span>In the navigation pane, choose <strong id="EN-US_TOPIC_0000002168065788__b187546560274230">Logical Clusters</strong> and click <strong id="EN-US_TOPIC_0000002168065788__b107384169174230">Edit</strong> in the <strong id="EN-US_TOPIC_0000002168065788__b16814928074230">Operation</strong> column of the target cluster.</span><p><p id="EN-US_TOPIC_0000002168065788__p133791113151810"></p>
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</p></li><li id="EN-US_TOPIC_0000002168065788__li1437918139188"><span>Add a node to the logical cluster by moving the selected ring from the right to the left, or remove a node from the logical cluster by moving the selected ring from the left to the right, and click <strong id="EN-US_TOPIC_0000002168065788__b148701420274230">OK</strong>.</span></li><li id="EN-US_TOPIC_0000002168065788__li7379213191819"><span>When adding a node, select offline scale-out.</span></li></ol>
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</div>
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<div class="section" id="EN-US_TOPIC_0000002168065788__section1819152721918"><h4 class="sectiontitle">Restarting Logical Clusters</h4><ol id="EN-US_TOPIC_0000002168065788__ol1620662111315"><li id="EN-US_TOPIC_0000002168065788__li5777641105517"><span>Log in to the GaussDB(DWS) console. In the navigation pane, choose <strong id="EN-US_TOPIC_0000002168065788__b9978141302316">Dedicated Clusters</strong> > <strong id="EN-US_TOPIC_0000002168065788__b1979813142317">Clusters<span id="EN-US_TOPIC_0000002168065788__ph129791913142314"><span id="EN-US_TOPIC_0000002168065788__text397971319238"></span></span></strong>.</span></li><li id="EN-US_TOPIC_0000002168065788__li477717413555"><span>In the cluster list, click the name of the target cluster. The <span class="parmname" id="EN-US_TOPIC_0000002168065788__parmname038553812410"><b>Cluster Information</b></span> page is displayed.</span></li><li id="EN-US_TOPIC_0000002168065788__li010274452119"><span>In the navigation pane on the left, switch to the <strong id="EN-US_TOPIC_0000002168065788__b032655218420">Logical Clusters</strong> page, locate the row that contains the logical cluster to be restarted, and click <strong id="EN-US_TOPIC_0000002168065788__b5360158546">More</strong> > <strong id="EN-US_TOPIC_0000002168065788__b61721716520">Restart</strong> in the <strong id="EN-US_TOPIC_0000002168065788__b18484561355">Operation</strong> column.</span></li><li id="EN-US_TOPIC_0000002168065788__li20729627114816"><span>Confirm that all information is correct and click <strong id="EN-US_TOPIC_0000002168065788__b147565539174230">OK</strong>.</span></li></ol>
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</div>
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<div class="section" id="EN-US_TOPIC_0000002168065788__section3797141592017"><h4 class="sectiontitle">Scaling Out a Logical Cluster</h4><p id="EN-US_TOPIC_0000002168065788__p189772486220"><strong id="EN-US_TOPIC_0000002168065788__b1918512567228">Prerequisites</strong></p>
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<ul id="EN-US_TOPIC_0000002168065788__ul931972833710"><li id="EN-US_TOPIC_0000002168065788__li932017282376">Before a scale-out, you need to enable the logical cluster mode and add a logical cluster.</li><li id="EN-US_TOPIC_0000002168065788__li83201828133715">After scaling out or scaling in a logical cluster, you need to reconfigure the backup policy for full backup. For details, see <a href="dws_01_0089.html">Configuring an Automated Snapshot Policy</a>.</li></ul>
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<p id="EN-US_TOPIC_0000002168065788__p175631019235"><strong id="EN-US_TOPIC_0000002168065788__b647232252319">Procedure</strong></p>
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<ol id="EN-US_TOPIC_0000002168065788__ol132063318236"><li id="EN-US_TOPIC_0000002168065788__li1252315217558"><span>Log in to the GaussDB(DWS) console. In the navigation pane, choose <strong id="EN-US_TOPIC_0000002168065788__b12405121520233">Dedicated Clusters</strong> > <strong id="EN-US_TOPIC_0000002168065788__b1406815142315">Clusters<span id="EN-US_TOPIC_0000002168065788__ph840601511233"><span id="EN-US_TOPIC_0000002168065788__text1440513154231"></span></span></strong>.</span></li><li id="EN-US_TOPIC_0000002168065788__li11233124713714"><span>On the displayed <strong id="EN-US_TOPIC_0000002168065788__b59819301557">Clusters</strong> page, choose <strong id="EN-US_TOPIC_0000002168065788__b498212303519">More</strong> > <strong id="EN-US_TOPIC_0000002168065788__b998311308513">Scale Node</strong> > <strong id="EN-US_TOPIC_0000002168065788__b1998416307514">Scale Out</strong>.</span></li><li id="EN-US_TOPIC_0000002168065788__li1720613315232"><span>On the scale-out page, select a logical or elastic cluster.</span><p><p id="EN-US_TOPIC_0000002168065788__p120763152313"><span><img id="EN-US_TOPIC_0000002168065788__image52341847143718" src="figure/en-us_image_0000002167906652.png" height="291.00865500000003" width="347.13" title="Click to enlarge" class="imgResize"></span></p>
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</p></li></ol>
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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="dws_01_0724.html">Managing GaussDB(DWS) Logical Clusters</a></div>
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</div>
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</div>
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