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<h1 class="topictitle1">Expanding Capacity for an In-use EVS Disk</h1>
<div id="body1505903809784"><div class="section" id="evs_01_0007__section4199781203421"><h4 class="sectiontitle">Scenarios</h4><p id="evs_01_0007__p45351743184010">This section describes how to expand the capacity of an In-use EVS disk on the management console. The In-use status indicates that the disk has been attached to <span id="evs_01_0007__text39266718162718">a server</span>. You do not need to detach the disk when expanding an In-use disk. </p>
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<div class="section" id="evs_01_0007__section158147122515"><a name="evs_01_0007__section158147122515"></a><a name="section158147122515"></a><h4 class="sectiontitle">Constraints</h4><ul id="evs_01_0007__ul313711473252"><li id="evs_01_0007__li1835020451308">Disk capacity can be expanded, but cannot be reduced.</li><li id="evs_01_0007__li41271847142514">When expanding an In-use disk, <span id="evs_01_0007__text20127124715253">the server</span> attached with this disk must be in the <strong id="evs_01_0007__b84235270616396">Running</strong> or <strong id="evs_01_0007__b84235270616399">Stopped</strong> state.</li><li id="evs_01_0007__li12127134782516">A shared disk in the <strong id="evs_01_0007__b165043391311">In-use</strong> state cannot be expanded. To expand such a disk, you must detach it from all its <span id="evs_01_0007__text1150593161315">servers</span>, wait until its status changes to <strong id="evs_01_0007__b115057314136">Available</strong>, and then expand its capacity. For more information, see <a href="evs_01_0008.html">Expanding Capacity for an Available EVS Disk</a>.</li><li id="evs_01_0007__li18128184702514">Only some server OSs support capacity expansion of In-use disks. For details, see the official document of the corresponding OS.<p id="evs_01_0007__p1412716472254"><a name="evs_01_0007__li18128184702514"></a><a name="li18128184702514"></a>For servers without such support, detach the disk and then expand its capacity. Otherwise, you may need to stop and then start the server after the expansion to make the additional space available.</p>
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<div class="section" id="evs_01_0007__section1864885210281"><h4 class="sectiontitle">Prerequisites</h4><p id="evs_01_0007__p1674038124216">Disk data has been backed up using CBR or snapshots. For details about backups, see <a href="evs_01_0110.html">Managing EVS Backups</a>. For details about snapshots, see <a href="en-us_topic_0066615262.html">Creating a Snapshot</a>.</p>
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<div class="section" id="evs_01_0007__section5287890203514"><h4 class="sectiontitle">Procedure</h4><ol id="evs_01_0007__ol161515014192"><li id="evs_01_0007__li14474133714189"><span>Log in to the management console.</span></li><li id="evs_01_0007__li153618295518"><span>Click <span><img id="evs_01_0007__en-us_topic_0021738346_image052111582392" src="en-us_image_0237893718.png"></span> in the upper left corner and select the desired region and project.</span></li><li id="evs_01_0007__li308525592029"><span>Under <strong id="evs_01_0007__b18321731174720">Storage</strong>, click <strong id="evs_01_0007__b683263114713">Elastic Volume Service</strong>.</span><p><p id="evs_01_0007__p92375762029">The disk list page is displayed.</p>
</p></li><li id="evs_01_0007__li9235666185919"><span>Choose a way to expand the disk by determining whether you want to check server information first.</span><p><ul id="evs_01_0007__ul2337357319034"><li id="evs_01_0007__li4710624719034">If yes, perform the following procedure:<ol type="a" id="evs_01_0007__ol117729011925"><li id="evs_01_0007__li388472531925">In the disk list, click the name of the to-be-expanded disk.<p class="litext" id="evs_01_0007__p140809631925"><a name="evs_01_0007__li388472531925"></a><a name="li388472531925"></a>The disk details page is displayed.</p>
</li><li id="evs_01_0007__li596198081925">Click the <strong id="evs_01_0007__b671507276103239">Attachments</strong> tab to view <span id="evs_01_0007__text179236683911052">the server</span> where the target disk has been attached.</li><li id="evs_01_0007__li1206532719342">Click <strong id="evs_01_0007__b842352706175859">Expand Capacity</strong> in the upper right corner of the page.<p id="evs_01_0007__p4264339219514">The expansion page is displayed.</p>
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</li><li id="evs_01_0007__li1159117319039">If no, perform the following procedure:<ol type="a" id="evs_01_0007__ol202534119445"><li id="evs_01_0007__li22503719445">In the disk list, locate the row that contains the target disk and click <strong id="evs_01_0007__b11494731114217">Expand Capacity</strong> in the <strong id="evs_01_0007__b949463154213">Operation</strong> column.<p id="evs_01_0007__p1265003919525">The expansion page is displayed.</p>
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</p></li><li id="evs_01_0007__li44271518184926"><span>Set the <strong id="evs_01_0007__b7755153011815">New Capacity</strong> parameter and click <strong id="evs_01_0007__b1745115264210">Next</strong>.</span></li><li id="evs_01_0007__li11250997172443"><span>On the <strong id="evs_01_0007__b91115532582">Details</strong> page, check the disk details.</span><p><ul id="evs_01_0007__ul38915531172443"><li id="evs_01_0007__li14695463172443">Click <strong id="evs_01_0007__b842352706111853">Submit</strong> to start the expansion.</li><li id="evs_01_0007__li65150306172443">Click <strong id="evs_01_0007__b842352706113037">Previous</strong> to change the settings.</li></ul>
<p id="evs_01_0007__p4421611218543">After the configuration is submitted, go back to the disk list page.</p>
</p></li><li id="evs_01_0007__li40881775173229"><span>In the disk list, view the capacity of the target disk.</span><p><p id="evs_01_0007__p58239715173253">When the disk status changes from <strong id="evs_01_0007__b969092893916">Expanding</strong> to <strong id="evs_01_0007__b18921431103910">In-use</strong> and the disk capacity increases, the expansion has succeeded.</p>
<div class="note" id="evs_01_0007__note1691993174413"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="evs_01_0007__p1092013174418">When the status of a disk is <strong id="evs_01_0007__b0705829111618">Expanding</strong>, you are not allowed to modify the specifications of the ECS where the disk is attached.</p>
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<div class="note" id="evs_01_0007__note4822925143235"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="evs_01_0007__p30362042143235">If the expansion fails, technical support personnel will contact you and help you handle this error. Do not perform any operations on the disk before the technical support personnel contact you. If you require that the error be handled as soon as possible, contact our technical support personnel. Disks whose capacities failed to be expanded are not billed.</p>
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</p></li><li id="evs_01_0007__li1821943185531"><span>Log in to the server and extend the partition and file system after the disk has been expanded on the console, because previous steps only enlarge the disk space.</span><p><p id="evs_01_0007__p33539635184033">The operations vary depending on the server OS.</p>
<ul id="evs_01_0007__ul30073002184039"><li id="evs_01_0007__li66279599184039">In Windows, see <a href="en-us_topic_0017616396.html">Extending Disk Partitions and File Systems (Windows Server 2008)</a>.</li><li id="evs_01_0007__li6324748184232">In Linux, see <a href="evs_01_0035.html">Partition and File System Extension Preparations (Linux)</a>.</li></ul>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="evs_01_0059.html">Disk Capacity Expansion</a></div>
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