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Reviewed-by: Goncharov, Artem <artem.goncharov@t-systems.com> Co-authored-by: gtema <artem.goncharov@gmail.com> Co-committed-by: gtema <artem.goncharov@gmail.com>
19 lines
4.1 KiB
HTML
19 lines
4.1 KiB
HTML
<a name="css_01_0014"></a><a name="css_01_0014"></a>
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<h1 class="topictitle1">Restarting a Cluster</h1>
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<div id="body0000001334459445"><p id="css_01_0014__p16296586613">If a cluster becomes faulty, you can restart it to check if it can run normally. Only clusters in the <span class="parmname" id="css_01_0014__parmname259181158"><b>Available</b></span> or <span class="parmname" id="css_01_0014__parmname1353503833"><b>Abnormal</b></span> status can be restarted.</p>
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<div class="section" id="css_01_0014__section144817324321"><h4 class="sectiontitle">Quick Restart</h4><ul id="css_01_0014__ul49520302474"><li id="css_01_0014__li19950303471">The cluster is in the <span class="parmname" id="css_01_0014__parmname107392306"><b>Available</b></span> or <span class="parmname" id="css_01_0014__parmname244742386"><b>Abnormal</b></span> status.</li><li id="css_01_0014__li788484074719">There are no running tasks, such as importing data, searching for data on the cluster.</li></ul>
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<div class="notice" id="css_01_0014__note13745848122116"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><ul id="css_01_0014__ul0234702403"><li id="css_01_0014__li152341701403">The cluster will be unavailable during quick restart. If quick restart fails, data may be lost or the cluster may become unavailable. Therefore, exercise caution when performing this operation.</li><li id="css_01_0014__li6675205994314">If the cluster you want to restart is available, you are advised to stop all data processing tasks on the cluster before restarting it. If there are running tasks, for example, importing data, searching for data, the transmitted data may be lost upon the restart. Therefore you are advised to stop all cluster tasks before the quick restart.</li></ul>
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</div></div>
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<ol id="css_01_0014__ol59716110339"><li id="css_01_0014__li93271911152510">Log in to the <span id="css_01_0014__text16667181662611">CSS</span> management console.</li><li id="css_01_0014__li163277114258">Click <span class="uicontrol" id="css_01_0014__uicontrol5967163616264"><b>Clusters</b></span> to switch to the <strong id="css_01_0014__b842352706142756">Clusters</strong> page. In the row that contains the cluster you want to restart, click <span class="uicontrol" id="css_01_0014__uicontrol531390369142823"><b><span id="css_01_0014__text1377280500142823">More > Restart</span></b></span> in the <span class="parmname" id="css_01_0014__parmname1696723617269"><b>Operation</b></span> column. The <strong id="css_01_0014__b55488491813">Restart Cluster</strong> page is displayed. Select <strong id="css_01_0014__b157313552115">Quick Restart</strong>.<p id="css_01_0014__p142881347172614"></p>
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<ul id="css_01_0014__ul8288134732613"><li id="css_01_0014__li22889479268">You can quick restart nodes by <strong id="css_01_0014__b4158064720">Node type</strong> or <strong id="css_01_0014__b1515916619712">Node name</strong>. If you select <strong id="css_01_0014__b8894115316257">Node type</strong>, then you can select multiple node types and perform quick restart at the time. If you select <strong id="css_01_0014__b0665123982915">Node name</strong>, you can perform quick restart only on one node at a time.</li><li id="css_01_0014__li9288144710268">The cluster is unavailable during quick restart.</li></ul>
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</li><li id="css_01_0014__li129710111332">Refresh the page and check the cluster status. During the restart, the cluster status is <span class="parmvalue" id="css_01_0014__parmvalue1888591966"><b><span id="css_01_0014__text893002244">Processing</span></b></span>, and the task status is <span class="parmvalue" id="css_01_0014__parmvalue1047968926"><b>Restarting</b></span>. If the cluster status changes to <span class="parmvalue" id="css_01_0014__parmvalue301409242"><b>Available</b></span>, the cluster has been restarted successfully. If the cluster status changes to <span class="parmvalue" id="css_01_0014__parmvalue1390470181814"><b>Abnormal</b></span>, contact the technical support for troubleshooting.</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="css_01_0009.html">Managing Elasticsearch Clusters</a></div>
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</div>
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</div>
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