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VBS UMN initial version

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Reviewed-by: gtema <artem.goncharov@gmail.com>
Co-authored-by: Wei, Hongmin <weihongmin1@huawei.com>
Co-committed-by: Wei, Hongmin <weihongmin1@huawei.com>
This commit is contained in:
Wei, Hongmin
2022-10-25 07:13:59 +00:00
committed by zuul
parent 022db76354
commit bcb64b80a4
113 changed files with 2360 additions and 0 deletions
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<a name="EN-US_TOPIC_0015667819"></a><a name="EN-US_TOPIC_0015667819"></a>
<h1 class="topictitle1">FAQs</h1>
<div id="body5485596"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="en-us_topic_0086521573.html">What Are the Differences Between CSBS and VBS?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0015667847.html">Does VBS Support Simultaneous Backup of All EVS Disks on a Server?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0015667851.html">Do I Need to Stop the Server Before Backing Up EVS Disks on a Server Using VBS?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0057324230.html">Does VBS Support Cross-Region Backup and Restoration?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0015667830.html">Do I Need to Stop the Server Before Restoring EVS Disk Data with a VBS Backup?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0104564767.html">Why Are CSBS Backups Displayed on the VBS Backup Page?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0018011371.html">Can a VBS Backup of a System Disk Be Used to Restore the System Disk of an ECS?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0018020175.html">Can I Use a VBS Backup to Restore an EVS Disk Whose Capacity Has Been Expanded?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0018011683.html">Is There a Quota Limit on the Number of Backups?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0046276032.html">What Can I Do In Case of Exceptions in VBS?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0067558642.html">Why Add Tags to a VBS Backup or Backup Policy?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0105911995.html">Does Backup Can Be Performed Several Times a Day?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0105943829.html">Can a Disk Only Be Associated With One Policy?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0126537915.html">What Are Full Backup and Incremental Backup?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0126537916.html">What Are the Differences Between Backups and Snapshots?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0127994691.html">Why Is the Remaining Space Not Changed After a Backup Is Deleted?</a></strong><br>
</li>
</ul>
</div>

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<a name="EN-US_TOPIC_0015667828"></a><a name="EN-US_TOPIC_0015667828"></a>
<h1 class="topictitle1">VBS</h1>
<div id="body55752527"><p id="EN-US_TOPIC_0015667828__p41082090155616">Volume Backup Service (VBS) provides snapshot-based data protection for Elastic Volume Service (EVS) disks.</p>
<p id="EN-US_TOPIC_0015667828__p5925764018129">VBS secures your data, even if an EVS disk is faulty or encounters a logical error (for example, mis-deletion, hacker attacks, and virus infection). It allows you to effortlessly back up your data, and these data backups can be used to restore data quickly.</p>
<p id="EN-US_TOPIC_0015667828__p243145181428">VBS supports both full and incremental backup modes. By default, the system performs a full backup initially, and then performs incremental backups. You can use a data backup generated in either backup mode to restore the source EVS disk to the state the EVS disk was in when the backup was created.</p>
<p id="EN-US_TOPIC_0015667828__p10802832134819">VBS allows one-click backup and restoration for the EVS disks on servers all through its easy-to-use platform. These servers are Elastic Cloud Servers (ECSs).</p>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0015667845.html">Service Overview</a></div>
</div>
</div>

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<a name="EN-US_TOPIC_0015667830"></a><a name="EN-US_TOPIC_0015667830"></a>
<h1 class="topictitle1">Do I Need to Stop the Server Before Restoring EVS Disk Data with a VBS Backup?</h1>
<div id="body1433161363258"><p id="EN-US_TOPIC_0015667830__p55024194184724">Yes. Before restoring the EVS disk data using a VBS backup, you must stop the server to which the EVS disk is attached, and detach the EVS disk from the server. After the EVS disk data is restored, attach the EVS disk to the server and start the server.</p>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0015667819.html">FAQs</a></div>
</div>
</div>

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<a name="EN-US_TOPIC_0015667831"></a><a name="EN-US_TOPIC_0015667831"></a>
<h1 class="topictitle1">Related Services</h1>
<div id="body41895032">
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0015667831__table17588842174917" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Related services</caption><thead align="left"><tr id="EN-US_TOPIC_0015667831__row459074213498"><th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.1.2.4.1.1"><p id="EN-US_TOPIC_0015667831__p659044234913">Interactive Function</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="33.223322332233224%" id="mcps1.3.1.2.4.1.2"><p id="EN-US_TOPIC_0015667831__p14590144213494">Related Service</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="33.44334433443344%" id="mcps1.3.1.2.4.1.3"><p id="EN-US_TOPIC_0015667831__p259064217498">Reference</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0015667831__row35905426493"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.1.2.4.1.1 "><p id="EN-US_TOPIC_0015667831__p859018425498">The VBS service provides the data backup function for EVS disks. Data backups can be used to create EVS disks.</p>
</td>
<td class="cellrowborder" valign="top" width="33.223322332233224%" headers="mcps1.3.1.2.4.1.2 "><p id="EN-US_TOPIC_0015667831__p1159011426497">Elastic Volume Service (EVS)</p>
</td>
<td class="cellrowborder" valign="top" width="33.44334433443344%" headers="mcps1.3.1.2.4.1.3 "><p id="EN-US_TOPIC_0015667831__p4894111595310"></p>
<p id="EN-US_TOPIC_0015667831__p631020318814"></p>
<p id="EN-US_TOPIC_0015667831__p1817674318183"><a href="en-us_topic_0015667820.html">Creating a VBS Backup</a></p>
<p id="EN-US_TOPIC_0015667831__p02833558186"><a href="en-us_topic_0015667886.html">Data Restoration Using a VBS Backup</a></p>
</td>
</tr>
<tr id="EN-US_TOPIC_0015667831__row17590742154919"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.1.2.4.1.1 "><p id="EN-US_TOPIC_0015667831__p1259064217492">Both CSBS and VBS are backup services and provide backup protection for tenant data. The backup generated by CSBS is also displayed on the VBS page. <a href="#EN-US_TOPIC_0015667831__table1965919985417">Table 2</a> describes the differences between CSBS and VBS.</p>
</td>
<td class="cellrowborder" valign="top" width="33.223322332233224%" headers="mcps1.3.1.2.4.1.2 "><p id="EN-US_TOPIC_0015667831__p12590242184913">Cloud Server Backup Service (CSBS)</p>
</td>
<td class="cellrowborder" valign="top" width="33.44334433443344%" headers="mcps1.3.1.2.4.1.3 "><p id="EN-US_TOPIC_0015667831__p15271142812514"><a href="en-us_topic_0015667849.html">VBS Backup Management</a></p>
</td>
</tr>
<tr id="EN-US_TOPIC_0015667831__row0590442124918"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.1.2.4.1.1 "><p id="EN-US_TOPIC_0015667831__p175900429491">The encryption feature relies on KMS. If an EVS disk is encrypted, its backup data will be stored in encrypted mode.</p>
</td>
<td class="cellrowborder" valign="top" width="33.223322332233224%" headers="mcps1.3.1.2.4.1.2 "><p id="EN-US_TOPIC_0015667831__p10772527495">Key Management Service (KMS)</p>
</td>
<td class="cellrowborder" valign="top" width="33.44334433443344%" headers="mcps1.3.1.2.4.1.3 "><p id="EN-US_TOPIC_0015667831__p634415974511"><a href="en-us_topic_0015667820.html">Creating a VBS Backup</a></p>
</td>
</tr>
<tr id="EN-US_TOPIC_0015667831__row859034244920"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.1.2.4.1.1 "><p id="EN-US_TOPIC_0015667831__p20590174294916">Working with TMS, VBS supports tag presetting and backup filtering and management.</p>
</td>
<td class="cellrowborder" valign="top" width="33.223322332233224%" headers="mcps1.3.1.2.4.1.2 "><p id="EN-US_TOPIC_0015667831__p17590194220492">Tag Management Service (TMS)</p>
</td>
<td class="cellrowborder" valign="top" width="33.44334433443344%" headers="mcps1.3.1.2.4.1.3 "><p id="EN-US_TOPIC_0015667831__p12611458295"><a href="en-us_topic_0015667849.html">VBS Backup Management</a></p>
<p id="EN-US_TOPIC_0015667831__p1259385612810"><a href="en-us_topic_0112805387.html">Managing Backup Policy Tags</a></p>
</td>
</tr>
<tr id="EN-US_TOPIC_0015667831__row10590442154918"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.1.2.4.1.1 "><p id="EN-US_TOPIC_0015667831__p9590442104914">VBS adopts SMN to notify users of VBS backup information.</p>
</td>
<td class="cellrowborder" valign="top" width="33.223322332233224%" headers="mcps1.3.1.2.4.1.2 "><p id="EN-US_TOPIC_0015667831__p15900429492">Simple Message Notification (SMN)</p>
</td>
<td class="cellrowborder" valign="top" width="33.44334433443344%" headers="mcps1.3.1.2.4.1.3 "><p id="EN-US_TOPIC_0015667831__p1717064842615"><a href="en-us_topic_0112805386.html">Viewing Backup Jobs</a></p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="EN-US_TOPIC_0015667831__table1965919985417"></a><a name="table1965919985417"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0015667831__table1965919985417" frame="border" border="1" rules="all"><caption><b>Table 2 </b>CSBS and VBS</caption><thead align="left"><tr id="EN-US_TOPIC_0015667831__row76591917540"><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.2.2.4.1.1"><p id="EN-US_TOPIC_0015667831__p5659792540">Item</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="42%" id="mcps1.3.2.2.4.1.2"><p id="EN-US_TOPIC_0015667831__p11659209155417">CSBS</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="38%" id="mcps1.3.2.2.4.1.3"><p id="EN-US_TOPIC_0015667831__p116609917545">VBS</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0015667831__row66600985420"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0015667831__p766009155410">Backup and restoration objects</p>
</td>
<td class="cellrowborder" valign="top" width="42%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0015667831__p11949021115513">All EVS disks (including system and data disks) on a single ECS</p>
</td>
<td class="cellrowborder" valign="top" width="38%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0015667831__p1182342185615">One or more specified EVS disks (system or data disks)</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0015667831__row96601391546"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0015667831__p186600918548">Recommended scenario</p>
</td>
<td class="cellrowborder" valign="top" width="42%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0015667831__p1438511314554">An entire ECS needs to be protected.</p>
</td>
<td class="cellrowborder" valign="top" width="38%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0015667831__p75761524145610">Only data disks need to be backed up, because the system disk does not contain personal data.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0015667831__row136601799549"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0015667831__p13660149185415">Advantages</p>
</td>
<td class="cellrowborder" valign="top" width="42%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0015667831__p17764194815558">All EVS disks on an ECS have consistent data. They are backed up at the same time, eliminating the problem of data inconsistency caused by backups generated at different points in time.</p>
</td>
<td class="cellrowborder" valign="top" width="38%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0015667831__p13825113235615">Data is secure while the service is cost-competitive.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0015667845.html">Service Overview</a></div>
</div>
</div>

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<a name="EN-US_TOPIC_0015667840"></a><a name="EN-US_TOPIC_0015667840"></a>
<h1 class="topictitle1">Operation Guide</h1>
<div id="body30896486"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="en-us_topic_0015667849.html">VBS Backup Management</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0033745918.html">Data Backup Using a Backup Policy</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0015667886.html">Data Restoration Using a VBS Backup</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0115393304.html">Viewing VBS Traces</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0153835047.html">Quotas</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0033871603.html">VBS Operation Instances</a></strong><br>
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<h1 class="topictitle1">Getting Started</h1>
<div id="body1432111934992"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="en-us_topic_0042416420.html">Operation Procedure</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0015667820.html">Creating a VBS Backup</a></strong><br>
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<h1 class="topictitle1">Service Overview</h1>
<div id="body15047603"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="en-us_topic_0015667828.html">VBS</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0031627299.html">VBS Functions</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0015667831.html">Related Services</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0071078294.html">User Permissions</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0071076576.html">Basic Concepts</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0170379340.html">Region and AZ</a></strong><br>
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<h1 class="topictitle1">Does VBS Support Simultaneous Backup of All EVS Disks on a Server?</h1>
<div id="body1432111130500"><p id="EN-US_TOPIC_0015667847__p38407731114622">Yes. Users can create a backup policy and associate the backup policy with multiple EVS disks. Then the backup policy can be executed to back up the multiple EVS disks at the same time.</p>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0015667819.html">FAQs</a></div>
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<h1 class="topictitle1">VBS Backup Management</h1>
<div id="body13189358"><p id="EN-US_TOPIC_0015667849__p185191617182218">You can set filtering criteria to query wanted backups, add tags to backups for grouped management, and share your backups with other projects. </p>
<p id="EN-US_TOPIC_0015667849__p145051339161715">CSBS backups of ECSs are also displayed on the VBS backup page and can be distinguished from VBS backups by <strong id="EN-US_TOPIC_0015667849__b84235270610519">Source</strong> in the backup details.</p>
<p id="EN-US_TOPIC_0015667849__p152006179424">After Instant Restore is enabled, each backup will be marked with a letter <strong id="EN-US_TOPIC_0015667849__b84235270610335">C</strong> or <strong id="EN-US_TOPIC_0015667849__b84235270610338">E</strong> at the right of its name to show whether it supports instant restoration. A backup marked with letter <strong id="EN-US_TOPIC_0015667849__b18849143017215">C</strong> is a common backup and does not support instant restoration. A backup marked with letter <strong id="EN-US_TOPIC_0015667849__b585119301323">E</strong> is an enhanced backup and supports instant restoration. For details, see <a href="en-us_topic_0071076576.html#EN-US_TOPIC_0071076576__section1713119814918">Instant Restore</a>.</p>
<div class="section" id="EN-US_TOPIC_0015667849__section3521024785717"><a name="EN-US_TOPIC_0015667849__section3521024785717"></a><a name="section3521024785717"></a><h4 class="sectiontitle">Searching for a VBS Backup</h4><ol id="EN-US_TOPIC_0015667849__ol1864572213528"><li id="EN-US_TOPIC_0015667849__li12645162225220"><span>Log in to the management console.</span></li><li id="EN-US_TOPIC_0015667849__li138121946184614"><span>Click <span><img id="EN-US_TOPIC_0015667849__en-us_topic_0015667820_image1213335617234" src="en-us_image_0148548673.png"></span> in the upper left corner of the management console and select a region and a project.</span></li><li id="EN-US_TOPIC_0015667849__li11474432145219"><span>Click <span><img id="EN-US_TOPIC_0015667849__en-us_topic_0015667820_image182991727162117" src="en-us_image_0128947790.png"></span>. Under <strong id="EN-US_TOPIC_0015667849__en-us_topic_0015667820_b830214274216">Storage</strong>, click <strong id="EN-US_TOPIC_0015667849__en-us_topic_0015667820_b630292772119">Volume Backup Service</strong>.</span></li><li id="EN-US_TOPIC_0015667849__li54141432123020"><span>Search for backups.</span><p><ul id="EN-US_TOPIC_0015667849__ul583119337173"><li id="EN-US_TOPIC_0015667849__li1594110474178">On the top of the list, select <strong id="EN-US_TOPIC_0015667849__b84235270613817">My backups</strong> and <strong id="EN-US_TOPIC_0015667849__b84235270613821">Backups shared with me</strong> in the drop-down list.<ul id="EN-US_TOPIC_0015667849__ul955417313197"><li id="EN-US_TOPIC_0015667849__li1957014591182">On the <strong id="EN-US_TOPIC_0015667849__b84235270692730">My backups</strong> page, search for backups by backup name, backup ID, KMS key ID, or disk ID, and then click <span><img id="EN-US_TOPIC_0015667849__image82989258183" src="en-us_image_0148561644.png"></span> to search. See <a href="#EN-US_TOPIC_0015667849__fig144211243155512">Figure 1</a>.<div class="fignone" id="EN-US_TOPIC_0015667849__fig144211243155512"><a name="EN-US_TOPIC_0015667849__fig144211243155512"></a><a name="fig144211243155512"></a><span class="figcap"><b>Figure 1 </b>My backups</span><br><span><img id="EN-US_TOPIC_0015667849__image10532112015514" src="en-us_image_0075595478.png" title="Click to enlarge" class="imgResize"></span></div>
</li><li id="EN-US_TOPIC_0015667849__li13823180210">On the <strong id="EN-US_TOPIC_0015667849__b842352706233540">Backups shared with me</strong> page, you can see the time when the backup is shared in the <strong id="EN-US_TOPIC_0015667849__b842352706131021">Shared</strong> column. You can search for backups by backup name, backup ID, disk ID, or owner project ID, as shown in <a href="#EN-US_TOPIC_0015667849__fig1252813127211">Figure 2</a>. Click <span><img id="EN-US_TOPIC_0015667849__image145032042101918" src="en-us_image_0148561644.png"></span> to search.<div class="fignone" id="EN-US_TOPIC_0015667849__fig1252813127211"><a name="EN-US_TOPIC_0015667849__fig1252813127211"></a><a name="fig1252813127211"></a><span class="figcap"><b>Figure 2 </b>Backups shared with me</span><br><span><img id="EN-US_TOPIC_0015667849__image1615596366" src="en-us_image_0075595645.png" title="Click to enlarge" class="imgResize"></span></div>
</li></ul>
</li><li id="EN-US_TOPIC_0015667849__li683113314177">Above the page, select a state to search for backups.</li><li id="EN-US_TOPIC_0015667849__li15332163191519">In the upper right corner of the page, you can click the <strong id="EN-US_TOPIC_0015667849__b842352706174421">Search by Tag</strong> tab to search for backups.<ul id="EN-US_TOPIC_0015667849__ul18871173112313"><li id="EN-US_TOPIC_0015667849__li8105103033111">On the <strong id="EN-US_TOPIC_0015667849__b1422917528222">Search by Tag</strong> tab page that is displayed, enter a tag key and a tag value (must be among existing keys and values), click <span><img id="EN-US_TOPIC_0015667849__image720265412216" src="en-us_image_0148562574.png"></span>, and then click <span class="uicontrol" id="EN-US_TOPIC_0015667849__uicontrol1230952102220"><b>Search</b></span>.</li><li id="EN-US_TOPIC_0015667849__li61072024110">You can use more than one tag for a combination search. Each time after a key and a value are entered, click <span><img id="EN-US_TOPIC_0015667849__image79741889248" src="en-us_image_0148562574.png"></span>. The added tag search criteria are displayed under the text boxes. When more than one tag is added, they will be applied together for a combination search. A maximum of 10 tags can be added at the same time.</li><li id="EN-US_TOPIC_0015667849__li13771812314">You can click <span class="uicontrol" id="EN-US_TOPIC_0015667849__uicontrol1041377129175218"><b>Reset</b></span> under the search criteria to reset the search criteria.</li></ul>
</li></ul>
</p></li><li id="EN-US_TOPIC_0015667849__li10475103265217"><span>Click <span><img id="EN-US_TOPIC_0015667849__image430415538275" src="en-us_image_0148563132.png"></span> in the row of a VBS backup to view its details.</span><p><div class="note" id="EN-US_TOPIC_0015667849__note19406656112415"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0015667849__p640616562242">The <strong id="EN-US_TOPIC_0015667849__b1945843852017">Created</strong> column in the backup list indicates the time when the backup was created.</p>
</div></div>
</p></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0015667849__section08761124405"><h4 class="sectiontitle">View the Status of a Backup Job</h4><p id="EN-US_TOPIC_0015667849__p8304332154019">After creating backup jobs, you can view backup job status in <strong id="EN-US_TOPIC_0015667849__b1088371312217">Job Status</strong> above the backup list.</p>
<p id="EN-US_TOPIC_0015667849__p186121023145116">The backup job status can be:</p>
<ul id="EN-US_TOPIC_0015667849__ul59153815513"><li id="EN-US_TOPIC_0015667849__li13963835114"><strong id="EN-US_TOPIC_0015667849__b842352706104852">Processing</strong>: a backup job is being executed</li><li id="EN-US_TOPIC_0015667849__li4887411175319"><strong id="EN-US_TOPIC_0015667849__b842352706104922">Failed</strong>: a backup job failed to be executed<div class="note" id="EN-US_TOPIC_0015667849__note3348658145413"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0015667849__ul17377192131513"><li id="EN-US_TOPIC_0015667849__li3377621131510">You can click the number next to <strong id="EN-US_TOPIC_0015667849__b94888520232">Job Status</strong> to view details about the backup job creation. The <strong id="EN-US_TOPIC_0015667849__b1748875192313">Created</strong> column indicates the time when the backup job was started.</li><li id="EN-US_TOPIC_0015667849__li198177246150">If no backup jobs in either of the two states are displayed, <strong id="EN-US_TOPIC_0015667849__b1952510511914">Job Status</strong> is left blank.</li></ul>
</div></div>
</li></ul>
</div>
<div class="section" id="EN-US_TOPIC_0015667849__section44845024152024"><h4 class="sectiontitle">Delete a VBS Backup</h4><p id="EN-US_TOPIC_0015667849__p10734273201648">To delete unwanted VBS backups, ensure the backups' statuses are <strong id="EN-US_TOPIC_0015667849__b820550920167">Available</strong> or <strong id="EN-US_TOPIC_0015667849__b2585844620168">Error</strong> and <strong id="EN-US_TOPIC_0015667849__b1391239144618">Source</strong> is <strong id="EN-US_TOPIC_0015667849__b194273954619">VBS</strong>.</p>
<p id="EN-US_TOPIC_0015667849__p1189676152257">Backups whose <strong id="EN-US_TOPIC_0015667849__b9207155811406">Source</strong> is <strong id="EN-US_TOPIC_0015667849__b175031604417">CSBS</strong> can be deleted only on the CSBS management console.</p>
<ol id="EN-US_TOPIC_0015667849__ol1117613402529"><li id="EN-US_TOPIC_0015667849__li5502125318516"><span>Log in to the management console.</span></li><li id="EN-US_TOPIC_0015667849__li1965511117473"><span>Click <span><img id="EN-US_TOPIC_0015667849__en-us_topic_0015667820_image1213335617234_1" src="en-us_image_0148548673.png"></span> in the upper left corner of the management console and select a region and a project.</span></li><li id="EN-US_TOPIC_0015667849__li15545134183710"><span>Click <span><img id="EN-US_TOPIC_0015667849__en-us_topic_0015667820_image182991727162117_1" src="en-us_image_0128947790.png"></span>. Under <strong id="EN-US_TOPIC_0015667849__en-us_topic_0015667820_b830214274216_1">Storage</strong>, click <strong id="EN-US_TOPIC_0015667849__en-us_topic_0015667820_b630292772119_1">Volume Backup Service</strong>.</span></li><li id="EN-US_TOPIC_0015667849__li14176240105219"><span>Locate the row that contains the target VBS backup in the backup list.</span></li><li id="EN-US_TOPIC_0015667849__li1740617502523"><span>Click <strong id="EN-US_TOPIC_0015667849__b170804100317259">Delete</strong> in the <strong id="EN-US_TOPIC_0015667849__b37486967817259">Operation</strong> column.</span></li><li id="EN-US_TOPIC_0015667849__li95171465386"><span>In the dialog box displayed, confirm the information and click <strong id="EN-US_TOPIC_0015667849__b1340110338304">OK</strong>. See <a href="#EN-US_TOPIC_0015667849__fig10847162913589">Figure 3</a>.</span><p><div class="fignone" id="EN-US_TOPIC_0015667849__fig10847162913589"><a name="EN-US_TOPIC_0015667849__fig10847162913589"></a><a name="fig10847162913589"></a><span class="figcap"><b>Figure 3 </b>Deleting a backup</span><br><span><img id="EN-US_TOPIC_0015667849__image12295711576" src="en-us_image_0086680618.png" title="Click to enlarge" class="imgResize"></span></div>
</p></li><li id="EN-US_TOPIC_0015667849__li177962113015"><span>Optional: To delete multiple backups in a batch, click <span><img id="EN-US_TOPIC_0015667849__image9819203393010" src="en-us_image_0148405304.png"></span> to select them, and then click the <span class="uicontrol" id="EN-US_TOPIC_0015667849__uicontrol1949428422214038"><b>Delete</b></span> button above the list. In the dialog box that is displayed, confirm the deletion information and click <span class="uicontrol" id="EN-US_TOPIC_0015667849__uicontrol201176316145416"><b>OK</b></span>.</span></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0015667849__section1018384231219"><h4 class="sectiontitle">Manage Tags of a VBS Backup</h4><p id="EN-US_TOPIC_0015667849__p218314213127">You can add tags to a backup as well as edit and delete these tags. Tags are used to filter and manage backup resources only.</p>
<ol id="EN-US_TOPIC_0015667849__ol181831242171212"><li id="EN-US_TOPIC_0015667849__li1318354212128"><span>Log in to the management console.</span></li><li id="EN-US_TOPIC_0015667849__li1405141224716"><span>Click <span><img id="EN-US_TOPIC_0015667849__en-us_topic_0015667820_image1213335617234_2" src="en-us_image_0148548673.png"></span> in the upper left corner of the management console and select a region and a project.</span></li><li id="EN-US_TOPIC_0015667849__li16184184221214"><span>Click <span><img id="EN-US_TOPIC_0015667849__en-us_topic_0015667820_image182991727162117_2" src="en-us_image_0128947790.png"></span>. Under <strong id="EN-US_TOPIC_0015667849__en-us_topic_0015667820_b830214274216_2">Storage</strong>, click <strong id="EN-US_TOPIC_0015667849__en-us_topic_0015667820_b630292772119_2">Volume Backup Service</strong>.</span></li><li id="EN-US_TOPIC_0015667849__li16620112313145"><span>Click <span><img id="EN-US_TOPIC_0015667849__image55181219267" src="en-us_image_0148563132.png"></span> in the row of a VBS backup to view its details.</span></li><li id="EN-US_TOPIC_0015667849__li7838322416"><span>Click <strong id="EN-US_TOPIC_0015667849__b84235270610459">Tags</strong> in the details area to expand the tag management panel.</span><p><p id="EN-US_TOPIC_0015667849__p443024984312">The panel displays all tags of the VBS backup.</p>
<ul id="EN-US_TOPIC_0015667849__ul122661711134519"><li id="EN-US_TOPIC_0015667849__li1126651118453">Adding tags<ol type="a" id="EN-US_TOPIC_0015667849__ol15266171184513"><li id="EN-US_TOPIC_0015667849__li1326611119459">Click <span class="uicontrol" id="EN-US_TOPIC_0015667849__uicontrol1826611116455"><b>Add Tag</b></span> in the upper left corner.</li><li id="EN-US_TOPIC_0015667849__li132661611164512">In the dialog box that is displayed, set the key and value of the new tag. For details, see <a href="#EN-US_TOPIC_0015667849__fig0106181012912">Figure 4</a>.<p id="EN-US_TOPIC_0015667849__p241224124816">A tag is represented in the form of a key-value pair. Tags are used to identify, classify, and search for cloud resources. A backup can have a maximum of 10 tags.</p>
<p id="EN-US_TOPIC_0015667849__p32661611144515"><a href="#EN-US_TOPIC_0015667849__table870151884719">Table 1</a> describes parameters of a tag.</p>
<div class="tablenoborder"><a name="EN-US_TOPIC_0015667849__table870151884719"></a><a name="table870151884719"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0015667849__table870151884719" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameter description</caption><thead align="left"><tr id="EN-US_TOPIC_0015667849__row77012184476"><th align="left" class="cellrowborder" valign="top" width="18.55%" id="mcps1.3.7.3.5.2.2.1.1.2.4.2.4.1.1"><p id="EN-US_TOPIC_0015667849__p311514319817">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="65.61%" id="mcps1.3.7.3.5.2.2.1.1.2.4.2.4.1.2"><p id="EN-US_TOPIC_0015667849__p3115234819">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="15.840000000000002%" id="mcps1.3.7.3.5.2.2.1.1.2.4.2.4.1.3"><p id="EN-US_TOPIC_0015667849__p19990164015312">Example Value</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0015667849__row5701918104720"><td class="cellrowborder" valign="top" width="18.55%" headers="mcps1.3.7.3.5.2.2.1.1.2.4.2.4.1.1 "><p id="EN-US_TOPIC_0015667849__p14115183385">Key</p>
</td>
<td class="cellrowborder" valign="top" width="65.61%" headers="mcps1.3.7.3.5.2.2.1.1.2.4.2.4.1.2 "><p id="EN-US_TOPIC_0015667849__p611511310819">Each tag of a backup has a unique key. The key of a tag is user-definable or is selected from those of existing tags in TMS.</p>
<p id="EN-US_TOPIC_0015667849__p191158314810">The naming rules for a tag key are as follows:</p>
<ul id="EN-US_TOPIC_0015667849__ul20115438812"><li id="EN-US_TOPIC_0015667849__li375533714499">It ranges from 1 to 36 Unicode characters.</li><li id="EN-US_TOPIC_0015667849__li1033383817912">It can contain only letters, digits, hyphens (-), and underscores (_).</li></ul>
</td>
<td class="cellrowborder" valign="top" width="15.840000000000002%" headers="mcps1.3.7.3.5.2.2.1.1.2.4.2.4.1.3 "><p id="EN-US_TOPIC_0015667849__p1499017405316">Key_0001</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0015667849__row070718104714"><td class="cellrowborder" valign="top" width="18.55%" headers="mcps1.3.7.3.5.2.2.1.1.2.4.2.4.1.1 "><p id="EN-US_TOPIC_0015667849__p101151731081">Value</p>
</td>
<td class="cellrowborder" valign="top" width="65.61%" headers="mcps1.3.7.3.5.2.2.1.1.2.4.2.4.1.2 "><p id="EN-US_TOPIC_0015667849__p1911693486">The values of tags can be repetitive and can be blank.</p>
<p id="EN-US_TOPIC_0015667849__p21161131085">The naming rules for a tag value are as follows:</p>
<ul id="EN-US_TOPIC_0015667849__ul211610318811"><li id="EN-US_TOPIC_0015667849__li6116835814">It ranges from 0 to 43 Unicode characters.</li><li id="EN-US_TOPIC_0015667849__li14215316616">It can contain only letters, digits, hyphens (-), and underscores (_).</li></ul>
</td>
<td class="cellrowborder" valign="top" width="15.840000000000002%" headers="mcps1.3.7.3.5.2.2.1.1.2.4.2.4.1.3 "><p id="EN-US_TOPIC_0015667849__p129902040143116">Value_0001</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="fignone" id="EN-US_TOPIC_0015667849__fig0106181012912"><a name="EN-US_TOPIC_0015667849__fig0106181012912"></a><a name="fig0106181012912"></a><span class="figcap"><b>Figure 4 </b>Adding tags</span><br><span><img id="EN-US_TOPIC_0015667849__image4380162584111" src="en-us_image_0152879176.png" title="Click to enlarge" class="imgResize"></span></div>
</li><li id="EN-US_TOPIC_0015667849__li32661611164518">Click <span class="uicontrol" id="EN-US_TOPIC_0015667849__uicontrol408312217215558"><b>OK</b></span>.</li></ol>
</li><li id="EN-US_TOPIC_0015667849__li4266611174515">Editing a tag<ol type="a" id="EN-US_TOPIC_0015667849__ol4266111134512"><li id="EN-US_TOPIC_0015667849__li5266101120459">In the <span class="wintitle" id="EN-US_TOPIC_0015667849__wintitle462261382105244"><b>Operation</b></span> column of the tag that you want to edit, click <span class="uicontrol" id="EN-US_TOPIC_0015667849__uicontrol167769896110538"><b>Edit</b></span>.</li><li id="EN-US_TOPIC_0015667849__li926781144512">In the <span class="wintitle" id="EN-US_TOPIC_0015667849__wintitle13702043410558"><b>Edit Tag</b></span> dialog box that is displayed, modify the tag value. <a href="#EN-US_TOPIC_0015667849__table870151884719">Table 1</a> describes the parameters.<p id="EN-US_TOPIC_0015667849__p1826712115452">If the updated tag is identical to an existing one, only one is retained.</p>
</li><li id="EN-US_TOPIC_0015667849__li172671611154514">Click <span class="uicontrol" id="EN-US_TOPIC_0015667849__uicontrol166903237215545"><b>OK</b></span>.</li></ol>
</li><li id="EN-US_TOPIC_0015667849__li826717111451">Deleting a tag<ol type="a" id="EN-US_TOPIC_0015667849__ol4267911174515"><li id="EN-US_TOPIC_0015667849__li1026761115453">In the <span class="wintitle" id="EN-US_TOPIC_0015667849__wintitle8008914411244"><b>Operation</b></span> column of the tag that you want to delete, click <span class="uicontrol" id="EN-US_TOPIC_0015667849__uicontrol53359635811244"><b>Delete</b></span>.</li><li id="EN-US_TOPIC_0015667849__li12267411114516">In the dialog box that is displayed, confirm the deletion information.</li><li id="EN-US_TOPIC_0015667849__li1126715117451">Click <span class="uicontrol" id="EN-US_TOPIC_0015667849__uicontrol091321019411"><b>OK</b></span>.</li></ol>
</li><li id="EN-US_TOPIC_0015667849__li1691252132512">Searching for backups by tag<p id="EN-US_TOPIC_0015667849__p126181673262"><a name="EN-US_TOPIC_0015667849__li1691252132512"></a><a name="li1691252132512"></a>For details, see <a href="#EN-US_TOPIC_0015667849__section3521024785717">Searching for a VBS Backup</a>.</p>
</li></ul>
</p></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0015667849__section13640821172711"><h4 class="sectiontitle">Manage Shared VBS Backups</h4><p id="EN-US_TOPIC_0015667849__p72801224132720">A tenant can share a backup with other tenants.</p>
<p id="EN-US_TOPIC_0015667849__p54862954514">Encrypted backups cannot be shared. Backups of common I/O (performance optimized I) and ultra-high I/O (latency optimized) disks cannot be shared.</p>
<p id="EN-US_TOPIC_0015667849__p11842543191617">Backups cannot be shared across regions. This indicates that projects sharing a backup must be in the same region as the backup.</p>
<ol id="EN-US_TOPIC_0015667849__ol1931718175283"><li id="EN-US_TOPIC_0015667849__li23170171281"><span>Log in to the management console.</span></li><li id="EN-US_TOPIC_0015667849__li10802128152810"><span>Click <span><img id="EN-US_TOPIC_0015667849__en-us_topic_0015667820_image1213335617234_3" src="en-us_image_0148548673.png"></span> in the upper left corner of the management console and select a region and a project.</span></li><li id="EN-US_TOPIC_0015667849__li1184917364286"><span>Click <span><img id="EN-US_TOPIC_0015667849__en-us_topic_0015667820_image182991727162117_3" src="en-us_image_0128947790.png"></span>. Under <strong id="EN-US_TOPIC_0015667849__en-us_topic_0015667820_b830214274216_3">Storage</strong>, click <strong id="EN-US_TOPIC_0015667849__en-us_topic_0015667820_b630292772119_3">Volume Backup Service</strong>.</span></li><li id="EN-US_TOPIC_0015667849__li188591918153010"><span>Click <span><img id="EN-US_TOPIC_0015667849__image1960981414449" src="en-us_image_0148563132.png"></span> in the row of a backup.</span></li><li id="EN-US_TOPIC_0015667849__li15379141119327"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0015667849__uicontrol65420194815266"><b>Shares</b></span> in the backup details area to expand the share management panel.</span><p><p id="EN-US_TOPIC_0015667849__p10764035183318">The panel displays the ID list of projects with which the backup is shared.</p>
<ul id="EN-US_TOPIC_0015667849__ul1158013774616"><li id="EN-US_TOPIC_0015667849__li1958015371464">Adding a share</li></ul>
<ol type="a" id="EN-US_TOPIC_0015667849__ol99499368479"><li id="EN-US_TOPIC_0015667849__li16949123664711">In the upper left corner, click <strong id="EN-US_TOPIC_0015667849__b84235270622712">Share Backup</strong>, and then the <span class="wintitle" id="EN-US_TOPIC_0015667849__wintitle18355110462257"><b>Share Backup</b></span> dialog box is displayed. For details, see <a href="#EN-US_TOPIC_0015667849__fig6681214115510">Figure 5</a>.<div class="fignone" id="EN-US_TOPIC_0015667849__fig6681214115510"><a name="EN-US_TOPIC_0015667849__fig6681214115510"></a><a name="fig6681214115510"></a><span class="figcap"><b>Figure 5 </b>Adding a share</span><br><span><img id="EN-US_TOPIC_0015667849__image19136814217" src="en-us_image_0152879212.png" title="Click to enlarge" class="imgResize"></span></div>
</li><li id="EN-US_TOPIC_0015667849__li1175212271361">Enter the project ID of the target tenant.<div class="note" id="EN-US_TOPIC_0015667849__note95204461416"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0015667849__p3513445146">A project ID is a string of 32 characters that can contain letters and digits but cannot be digits only.</p>
</div></div>
</li><li id="EN-US_TOPIC_0015667849__li422420310146">Click <span class="uicontrol" id="EN-US_TOPIC_0015667849__uicontrol18615151522733"><b>Add</b></span> in the dialog box to add another project ID. A tenant can share a backup with another 10 tenants.</li><li id="EN-US_TOPIC_0015667849__li2087603917102">Click <span class="uicontrol" id="EN-US_TOPIC_0015667849__uicontrol177441068222813"><b>OK</b></span>.</li></ol>
<ul id="EN-US_TOPIC_0015667849__ul168785476489"><li id="EN-US_TOPIC_0015667849__li187810472483">Deleting a share</li></ul>
<ol type="a" id="EN-US_TOPIC_0015667849__ol318651655312"><li id="EN-US_TOPIC_0015667849__li1118661665315">Select a share that you want to delete, and click <strong id="EN-US_TOPIC_0015667849__b8423527067425">Unshare</strong> in the <strong id="EN-US_TOPIC_0015667849__b8423527067422">Operation</strong> column.</li><li id="EN-US_TOPIC_0015667849__li3114182095320">In the dialog box that is displayed, confirm the deletion information.</li><li id="EN-US_TOPIC_0015667849__li12974726105312">Click <span class="uicontrol" id="EN-US_TOPIC_0015667849__uicontrol144292800322843"><b>OK</b></span>.</li></ol>
</p></li></ol>
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<h1 class="topictitle1">Do I Need to Stop the Server Before Backing Up EVS Disks on a Server Using VBS?</h1>
<div id="body1433161363258"><p id="EN-US_TOPIC_0015667851__p1598676184511">VBS can back up EVS disks that are being used. When a server is running, data is written onto EVS disks on the server, and some newly generated data is stored in the server memory as cached data. During EVS disk backup, the data in the memory will not be automatically written onto the EVS disk, resulting in data inconsistency between the EVS disk and its backup.</p>
<p id="EN-US_TOPIC_0015667851__p26160882143541">To ensure data consistency and integrity, back up EVS disks during off-peak hours when no data write operations are being performed on the EVS disks, or stop all data write operations on the EVS disks before backup. For a strict requirement for data integrity, stop the server (cached data is written to EVS disks) and start an offline backup job.</p>
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<h1 class="topictitle1">Data Restoration Using a VBS Backup</h1>
<div id="body1433671059174"><p id="EN-US_TOPIC_0015667886__p157951991517">You can use VBS backups to restore EVS disks to a given point in time or create EVS disks. Data on the EVS disks is equivalent to the backup data.</p>
<div class="section" id="EN-US_TOPIC_0015667886__section57517183151922"><h4 class="sectiontitle">Restore an EVS Disk Using a VBS Backup</h4><p id="EN-US_TOPIC_0015667886__p1916791015389">You can use a VBS backup to restore an EVS disk to the time when the backup was created.</p>
<p id="EN-US_TOPIC_0015667886__p63056065151959">Before restoring the disk data, stop the server to which the EVS disk is attached and detach the EVS disk from the server. After the EVS disk data is restored, attach the EVS disk to the server and start the server.</p>
<div class="notice" id="EN-US_TOPIC_0015667886__note627251810212"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><ul id="EN-US_TOPIC_0015667886__ul146331946151711"><li id="EN-US_TOPIC_0015667886__li2228142113209">If a server disk has been backed up and the operating system was changed after the backup, the backup may not be able to restore the disk because of the disk ID change. In this case, you can use the backup to create a new disk and mount the new disk as a data disk to the server.</li><li id="EN-US_TOPIC_0015667886__li1919475513509">Servers or disks at the disaster recovery (DR) site can be restored only when DR protection is disabled for servers deployed with Storage Disaster Recovery Service.</li></ul>
</div></div>
<p id="EN-US_TOPIC_0015667886__p19314828174813">Instant Restore is a feature that provides the instant restoration function for fast restoring disk data, greatly reducing the restoration time compared with the normal restoration function. For details, see <a href="en-us_topic_0071076576.html#EN-US_TOPIC_0071076576__section1713119814918">Instant Restore</a>.</p>
<p id="EN-US_TOPIC_0015667886__p188441920145612">Only VBS backups in the <strong id="EN-US_TOPIC_0015667886__b84235270674359">My backups</strong> list can be used for a restoration. Those VBS backups in the <strong id="EN-US_TOPIC_0015667886__b8423527067451">Backups shared with me</strong> list are unavailable for a restoration.</p>
<ol id="EN-US_TOPIC_0015667886__ol77911487538"><li id="EN-US_TOPIC_0015667886__li9791585534"><span>Log in to the management console.</span></li><li id="EN-US_TOPIC_0015667886__li1470184818486"><span>Click <span><img id="EN-US_TOPIC_0015667886__en-us_topic_0015667820_image1213335617234" src="en-us_image_0148548673.png"></span> in the upper left corner of the management console and select a region and a project.</span></li><li id="EN-US_TOPIC_0015667886__li17361515185316"><span>Click <span><img id="EN-US_TOPIC_0015667886__en-us_topic_0015667820_image182991727162117" src="en-us_image_0128947790.png"></span>. Under <strong id="EN-US_TOPIC_0015667886__en-us_topic_0015667820_b830214274216">Storage</strong>, click <strong id="EN-US_TOPIC_0015667886__en-us_topic_0015667820_b630292772119">Volume Backup Service</strong>.</span></li><li id="EN-US_TOPIC_0015667886__li19736215145310"><span>On the <strong id="EN-US_TOPIC_0015667886__b456994018232">Volume Backup Service</strong> page, if the <strong id="EN-US_TOPIC_0015667886__b16569104052315">Status</strong> of the VBS backup is <strong id="EN-US_TOPIC_0015667886__b1156913401236">Available</strong>, click <strong id="EN-US_TOPIC_0015667886__b842352706104246">Restore Disk</strong> in the <strong id="EN-US_TOPIC_0015667886__b16570164062315">Operation</strong> column.</span></li><li id="EN-US_TOPIC_0015667886__li573751535311"><span>Click <strong id="EN-US_TOPIC_0015667886__b842352706174928">OK</strong> as prompted. See <a href="#EN-US_TOPIC_0015667886__fig0824219012">Figure 1</a>. Then, check whether the data is restored successfully.</span><p><p id="EN-US_TOPIC_0015667886__p1246822615256">You can refresh the page after 10 seconds to view the data restoration status. When the <strong id="EN-US_TOPIC_0015667886__b1648461462212">Status</strong> of the backup changes back to <strong id="EN-US_TOPIC_0015667886__b18650214153512">Available</strong>, the restoration has been successfully completed.</p>
<div class="fignone" id="EN-US_TOPIC_0015667886__fig0824219012"><a name="EN-US_TOPIC_0015667886__fig0824219012"></a><a name="fig0824219012"></a><span class="figcap"><b>Figure 1 </b>Disk restoration</span><br><span><img id="EN-US_TOPIC_0015667886__image17585343111218" src="en-us_image_0087010200.png" title="Click to enlarge" class="imgResize"></span></div>
</p></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0015667886__section44845024152024"><a name="EN-US_TOPIC_0015667886__section44845024152024"></a><a name="section44845024152024"></a><h4 class="sectiontitle">Creating an EVS Disk Using a VBS Backup</h4><p id="EN-US_TOPIC_0015667886__p6938800183730">You can use a VBS backup to create an EVS disk. After the EVS disk is created, the data on the new disk is the same as that in the VBS backup.</p>
<p id="EN-US_TOPIC_0015667886__p1586614455813">Instant Restore also supports fast disk creation using backups, saving your time. For details, see <a href="en-us_topic_0071076576.html#EN-US_TOPIC_0071076576__section1713119814918">Instant Restore</a>.</p>
<p id="EN-US_TOPIC_0015667886__p49151112105713">VBS backups in both the <strong id="EN-US_TOPIC_0015667886__b8423527067461">My backups</strong> and <strong id="EN-US_TOPIC_0015667886__b8423527067468">Backups shared with me</strong> lists can be used to create EVS disks.</p>
</div>
<ol id="EN-US_TOPIC_0015667886__ol1591835112219"><li id="EN-US_TOPIC_0015667886__li2581535112218"><span>Log in to the management console.</span></li><li id="EN-US_TOPIC_0015667886__li8523195615481"><span>Click <span><img id="EN-US_TOPIC_0015667886__en-us_topic_0015667820_image1213335617234_1" src="en-us_image_0148548673.png"></span> in the upper left corner of the management console and select a region and a project.</span></li><li id="EN-US_TOPIC_0015667886__li2138152102219"><span>Click <span><img id="EN-US_TOPIC_0015667886__en-us_topic_0015667820_image182991727162117_1" src="en-us_image_0128947790.png"></span>. Under <strong id="EN-US_TOPIC_0015667886__en-us_topic_0015667820_b830214274216_1">Storage</strong>, click <strong id="EN-US_TOPIC_0015667886__en-us_topic_0015667820_b630292772119_1">Volume Backup Service</strong>.</span></li><li id="EN-US_TOPIC_0015667886__li1913813526228"><span>In the <strong id="EN-US_TOPIC_0015667886__b1604676046112140">My Backups</strong> or <strong id="EN-US_TOPIC_0015667886__b1207994365112140">Backups shared with me</strong> list, confirm that the <strong id="EN-US_TOPIC_0015667886__b84235270675027">Status</strong> of the VBS backup is <strong id="EN-US_TOPIC_0015667886__b84235270675053">Available</strong> and click <span class="uicontrol" id="EN-US_TOPIC_0015667886__uicontrol1893825176152329"><b>Create Disk</b></span> in the <strong id="EN-US_TOPIC_0015667886__b8423527067523">Operation</strong> column. </span></li><li id="EN-US_TOPIC_0015667886__li1113905272210"><span>Set the disk parameters.</span><p><div class="note" id="EN-US_TOPIC_0015667886__note74811272494"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0015667886__p1849827164911">For details about these parameters, see the parameter description table in section Creating an EVS Disk in the <em id="EN-US_TOPIC_0015667886__i842352697165213">Elastic Volume Service User Guide</em>.</p>
<p id="EN-US_TOPIC_0015667886__p15165102517261">Note the following items when setting disk parameters:</p>
<ul id="EN-US_TOPIC_0015667886__ul271310063515"><li id="EN-US_TOPIC_0015667886__li33062323512">You can choose the same AZ to which the owning EVS disk of the backup data belongs, or you can choose a different AZ.</li><li id="EN-US_TOPIC_0015667886__li370318212367">The capacity of the newly created EVS disk cannot be smaller than that of the source EVS disk of the backup data.<p id="EN-US_TOPIC_0015667886__p1549619571918"><a name="EN-US_TOPIC_0015667886__li370318212367"></a><a name="li370318212367"></a>If it is larger than the backup capacity, initialize the incremental disk space. For details, see section Initializing an EVS Disk (Linux) in the <em id="EN-US_TOPIC_0015667886__i79997868117241">Elastic Volume Service User Guide</em>.</p>
</li><li id="EN-US_TOPIC_0015667886__li194004994117">You can create a disk of any type regardless of the backup's disk type.</li><li id="EN-US_TOPIC_0015667886__li166001543194215">Batch creation is not supported when using backup data to create EVS disks. You can create only one EVS disk at a time.</li></ul>
</div></div>
</p></li><li id="EN-US_TOPIC_0015667886__li12146152152215"><span>Click <strong id="EN-US_TOPIC_0015667886__b28961820185420">Create Now</strong>.</span></li><li id="EN-US_TOPIC_0015667886__li13146185218229"><span>Confirm the VBS backup information and click <strong id="EN-US_TOPIC_0015667886__b56611690163754">Submit</strong>.</span></li><li id="EN-US_TOPIC_0015667886__li21461652192220"><span>Switch back to the <strong id="EN-US_TOPIC_0015667886__b48847802163754">Elastic Volume Service</strong> page. Check whether the EVS disk is successfully created.</span><p><p id="EN-US_TOPIC_0015667886__p5483688199">Instant restoration only takes several minutes to create a new disk by using a backup.</p>
<p id="EN-US_TOPIC_0015667886__p776603815813">This disk status changes from <strong id="EN-US_TOPIC_0015667886__b8209922710">Creating</strong> to <strong id="EN-US_TOPIC_0015667886__b12362125874">Available</strong>, <strong id="EN-US_TOPIC_0015667886__b79721372712">Restoring</strong>, then <strong id="EN-US_TOPIC_0015667886__b97785121472">Available</strong>. Instant restoration is so fast that you may not notice the <strong id="EN-US_TOPIC_0015667886__b1388099880172226">Restoring</strong> state. If the state changes from <strong id="EN-US_TOPIC_0015667886__b196113482720">Creating</strong> to <strong id="EN-US_TOPIC_0015667886__b596234810716">Available</strong>, the new disk is successfully created. If the state changes from <strong id="EN-US_TOPIC_0015667886__b149254300216376">Restoring</strong> to <strong id="EN-US_TOPIC_0015667886__b3158401916376">Available</strong>, backup data is successfully restored to the created EVS disk.</p>
</p></li></ol>
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<h1 class="topictitle1">Can a VBS Backup of a System Disk Be Used to Restore the System Disk of an ECS?</h1>
<div id="body1437451622973"><p id="EN-US_TOPIC_0018011371__p19113900144545">Yes. You can restore the system disk using a VBS backup. Before restoring the system disk, you must detach it from the ECS.</p>
<p id="EN-US_TOPIC_0018011371__p37807377144545">You can also use a VBS backup of the system disk to create new EVS disks. However, newly created EVS disks cannot be used as system disks.</p>
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