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Wang , Deng Ke
04da47cae2
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Wang , Deng Ke <wangdengke2@huawei.com> Co-committed-by: Wang , Deng Ke <wangdengke2@huawei.com>
20 lines
4.9 KiB
HTML
20 lines
4.9 KiB
HTML
<a name="opengauss_01_0041"></a><a name="opengauss_01_0041"></a>
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<h1 class="topictitle1">Scaling Up Storage Space</h1>
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<div id="body1589447527313"><div class="section" id="opengauss_01_0041__section139451223164511"><h4 class="sectiontitle">Scenarios</h4><p id="opengauss_01_0041__p1659874411451">The storage space may be insufficient as your service volumes grow. If the kernel detects that the disk usage exceeds <span id="opengauss_01_0041__text191731130184120">85%</span>, the DB instance is set to read-only and no data can be written to the DB instance. This section describes how to scale up the storage space of a DB instance.</p>
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<div class="section" id="opengauss_01_0041__section1727613144816"><h4 class="sectiontitle">Precautions</h4><ul id="opengauss_01_0041__ul1156126114813"><li id="opengauss_01_0041__li156112634817">Within the maximum allowed range, disk usage cannot exceed <span id="opengauss_01_0041__text129331357179">85%</span> of the total storage space after disk expansion.</li><li id="opengauss_01_0041__li1256162634815">If any node becomes faulty, contact the O&M engineers for troubleshooting.</li><li id="opengauss_01_0041__li955646132618">The storage space must be a multiple of the number of shards multiplied by 40 GB.</li><li id="opengauss_01_0041__li85619269485">A shard disk has a maximum capacity of <span id="opengauss_01_0041__text16368193015240">16TB</span>, and <span id="opengauss_01_0041__text03837304247">16TB</span> capacity is added each time a shard is added.</li></ul>
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<div class="section" id="opengauss_01_0041__section277612356452"><h4 class="sectiontitle"><strong id="opengauss_01_0041__b1011653174420">Procedure</strong></h4><ol id="opengauss_01_0041__ol764191464914"><li id="opengauss_01_0041__li17251143135117"><span>Log in to the management console.</span></li><li id="opengauss_01_0041__en-us_topic_0192953659_li42514315519"><span>Click <span><img id="opengauss_01_0041__i251621a9ff0c468daf58c21cd2e9afb3" src="en-us_image_0000001072358973.png"></span> in the upper left corner and select a region and a project.</span></li><li id="opengauss_01_0041__li85361458162720"><span>Click <strong id="opengauss_01_0041__afab9a51872a0475eac5831778f04beda">Service List</strong>. Under <strong id="opengauss_01_0041__en-us_topic_0241495502_b155592161758">Database</strong>, click <strong id="opengauss_01_0041__en-us_topic_0241495502_b056012161059">GaussDB</strong>.</span></li><li id="opengauss_01_0041__lb7a94adb746945549de0480d03e6919d"><span>In the navigation pane on the left, choose <strong id="opengauss_01_0041__aac73ac6a5277470ca896f424ceddcc09">GaussDB(openGauss)</strong> > <strong id="opengauss_01_0041__a8989b0cbeb2940689376ccc2b84bc056">Instance Management</strong>.</span></li><li id="opengauss_01_0041__l81bad55239b745209bafd3d92caab34b"><span>On the <span class="uicontrol" id="opengauss_01_0041__uicontrol107676911453"><b>Instance Management</b></span> page, locate the target DB instance and click <strong id="opengauss_01_0041__b113164412281">More</strong> > <span class="uicontrol" id="opengauss_01_0041__uicontrol1577219915457"><b>Scale Storage Space</b></span> in the <span class="uicontrol" id="opengauss_01_0041__uicontrol17773199174511"><b>Operation</b></span> column.</span><p><p id="opengauss_01_0041__aeca497c048d54414a7257cb088a6d8e0">Alternatively, click the target DB instance to go to the <strong id="opengauss_01_0041__b1853014228452">Basic Information</strong> page. In the <strong id="opengauss_01_0041__b12535522174516">Storage/Backup Space</strong> area, click <strong id="opengauss_01_0041__b253611221450">Scale</strong>.</p>
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</p></li><li id="opengauss_01_0041__ld964fe226a8f4c39a41bcfaf1704dab0"><span>On the displayed page, specify the new storage space and click <strong id="opengauss_01_0041__b1417335154514">Next</strong>.</span></li><li id="opengauss_01_0041__lab34b40a783c482eaaf23994d28e9210"><span>Confirm specifications.</span><p><ul id="opengauss_01_0041__ua7de49e1a0bd49eda36762b1737ee774"><li id="opengauss_01_0041__lce0148db8f77498380ba8c7c63043307">If you need to modify your settings, click <strong id="opengauss_01_0041__b6868755174717">Previous</strong>.</li></ul>
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</p></li><li id="opengauss_01_0041__lf7458763d19747dfab922149d9a36f64"><span>View the scale-up result.</span><p><p id="opengauss_01_0041__a8332a692e792483681d7101975d6715f">During the scale-up, the status of the DB instance on the <strong id="opengauss_01_0041__b195988134489">Instance Management</strong> page will be <span class="uicontrol" id="opengauss_01_0041__uicontrol1160461344814"><b>Scaling up</b></span>. Click the DB instance and view the utilization on the displayed <span class="uicontrol" id="opengauss_01_0041__uicontrol3605413154812"><b>Basic Information</b></span> page to verify that the scale-up is successful. This process may take 3 to 5 minutes.</p>
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</p></li></ol>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="opengauss_01_0032.html">Instance Management</a></div>
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