doc-exports/docs/evs/umn/evs_faq_0082.html

<a name="evs_faq_0082"></a><a name="evs_faq_0082"></a>

<h1 class="topictitle1">How Do I Extend the Root Partition of a Quickly Provisioned <span id="text14214843193113">BMS</span>?</h1>
<div id="body0000001130782573"><div class="section" id="evs_faq_0082__section151239189336"><h4 class="sectiontitle">Scenarios</h4><p id="evs_faq_0082__p84218254337">If the root partition of your quickly provisioned <span id="evs_faq_0082__text3647455113111">BMS</span> is too small, extend the root partition by referring to the following procedure.</p>
<p id="evs_faq_0082__p1290042818010">This example uses CentOS 7.3 and system disk, <strong id="evs_faq_0082__b14124154020235">/dev/sdf</strong>. The way you allocate additional space depends on the OS. This example is used for reference only. For detailed operations and differences, see the corresponding OS documentations.</p>
<p id="evs_faq_0082__p17737151541">In this example, the initial size of the <span id="evs_faq_0082__text147851214323">BMS</span> system disk (<strong id="evs_faq_0082__b1130617319505">sdf</strong>) is 40 GiB and needs to be expanded to 140 GiB. The initial disk partitions are as follows:</p>
<p id="evs_faq_0082__p72442289213"><span><img id="evs_faq_0082__image724419284212" src="en-us_image_0000001083722314.png"></span></p>
</div>
<div class="section" id="evs_faq_0082__section203761345173319"><h4 class="sectiontitle">Procedure</h4><ol id="evs_faq_0082__ol113775953318"><li id="evs_faq_0082__li237959183310"><span>Log in to the EVS console and expand the system disk capacity to 140 GiB.</span></li><li id="evs_faq_0082__li61108546519"><span>Log in to the <span id="evs_faq_0082__text61616113323">BMS</span> and run the following command to view the system disk capacity:</span><p><p id="evs_faq_0082__p11725312193417"><strong id="evs_faq_0082__b74351326162010">lsblk</strong></p>
<p id="evs_faq_0082__p876212391617">Information similar to the following is displayed:</p>
<p id="evs_faq_0082__p8413151393513"><span><img id="evs_faq_0082__image741341319357" src="en-us_image_0000001130646285.png"></span></p>
<p id="evs_faq_0082__p15196154113519">The system disk (<strong id="evs_faq_0082__b591215211503">sdf</strong>) has been expanded from 40 GiB to 140 GiB. The <strong id="evs_faq_0082__b8772201682916">sdf4</strong> partition (64 MiB) is the configdriver partition that stores the <span id="evs_faq_0082__text2072581663215">BMS</span> configuration information.</p>
</p></li><li id="evs_faq_0082__li34221235411"><span>Run the following command to back up the configdriver partition:</span><p><p id="evs_faq_0082__p10369152633714"><strong id="evs_faq_0082__b1029811315375">dd if=/dev/sdf4 of=/root/configdriver.img</strong></p>
<p id="evs_faq_0082__p10117102512371">Information similar to the following is displayed:</p>
<p id="evs_faq_0082__p331112143714"><span><img id="evs_faq_0082__image19310172183715" src="en-us_image_0000001130785213.png"></span></p>
</p></li><li id="evs_faq_0082__li1052385793713"><span>Run the following command and delete the configdriver partition:</span><p><p id="evs_faq_0082__p9670412103810"><strong id="evs_faq_0082__b11220201016385">fdisk /dev/sdf</strong></p>
<p id="evs_faq_0082__p61821849123816"><span><img id="evs_faq_0082__image16181949203813" src="en-us_image_0000001130508073.png"></span></p>
</p></li><li id="evs_faq_0082__li211317117406"><span>Run the <strong id="evs_faq_0082__b1111411194010">partprobe</strong> command to update the partition information.</span><p><p id="evs_faq_0082__p153811426409">If partition configdriver has been deleted, information similar to the following is displayed:</p>
<p id="evs_faq_0082__p71381774016"><span><img id="evs_faq_0082__image91301720401" src="en-us_image_0000001083680596.png"></span></p>
</p></li><li id="evs_faq_0082__li174846134440"><span>Recreate the configdriver partition with 100 MB.</span><p><p id="evs_faq_0082__p1948661317442">If the available sectors range from 83755008 to 293601279, set 293401279 (293601279 – 200000) as the new partition's start sector and 293601279 (default value) as the end sector.</p>
<p id="evs_faq_0082__p19671154912529"><span><img id="evs_faq_0082__image967124916527" src="en-us_image_0000001083835006.png"></span></p>
<p id="evs_faq_0082__p11581763534">Run the <strong id="evs_faq_0082__b14715129105214">partprobe</strong> command to update the partition information.</p>
<p id="evs_faq_0082__p1499131918532"><span><img id="evs_faq_0082__image179913198539" src="en-us_image_0000001130811405.png"></span></p>
</p></li><li id="evs_faq_0082__li1449917568536"><span>Run the following command to extend the root partition:</span><p><p id="evs_faq_0082__p5502185625313"><strong id="evs_faq_0082__b165021956165318">growpart /dev/sdf 3</strong></p>
<p id="evs_faq_0082__p1147813341748">Information similar to the following is displayed:</p>
<p id="evs_faq_0082__p62801911185411"><span><img id="evs_faq_0082__image02808116544" src="en-us_image_0000001130937191.png"></span></p>
<p id="evs_faq_0082__p16900164011540">Run the <strong id="evs_faq_0082__b1892665112203">lsblk</strong> command to view the new root partition size.</p>
<p id="evs_faq_0082__p1276275516543"><span><img id="evs_faq_0082__image2762125520548" src="en-us_image_0000001084154922.png"></span></p>
</p></li><li id="evs_faq_0082__li133321740859"><span>Run the following command to extend the file system of the root partition:</span><p><p id="evs_faq_0082__p83391240850"><strong id="evs_faq_0082__b02707201863">resize2fs /dev/sdf3</strong></p>
<p id="evs_faq_0082__p1533917409513">Information similar to the following is displayed:</p>
<p id="evs_faq_0082__p0339104010516"><span><img id="evs_faq_0082__image13339174015511" src="en-us_image_0000001130937239.png"></span></p>
</p></li><li id="evs_faq_0082__li76602775618"><span>Run the following command to restore the content of the configdriver partition:</span><p><p id="evs_faq_0082__p116604785619"><strong id="evs_faq_0082__b36601975564">dd if=/root/configdriver.img of=/dev/sdf4</strong></p>
<p id="evs_faq_0082__p6562124117612">Information similar to the following is displayed:</p>
<p id="evs_faq_0082__p82221430165711"><span><img id="evs_faq_0082__image322210303572" src="en-us_image_0000001130673091.png"></span></p>
<p id="evs_faq_0082__p634184695712"><span><img id="evs_faq_0082__image93416464579" src="en-us_image_0000001083707294.png"></span></p>
<p id="evs_faq_0082__p152451558195720">The root partition of the quickly provisioned <span id="evs_faq_0082__text876834913329">BMS</span> has been extended.</p>
</p></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="evs_01_0077.html">Capacity Expansion</a></div>
</div>
</div>