用快照创建磁盘
<p class="shortdesc">本文介绍如何通过已有快照创建一块云硬盘,创建好的云硬盘里面包含快照里面的数据。</p>
<section class="section prereq" id="Create_Disk__prereq_fx5_rdz_svb"><div class="tasklabel"><h2 class="doc-tairway">前提条件</h2></div>
<p class="p">您已成功创建可用的快照,可参考<a class="xref" href="/ssr/help/compute/ecs/manual.Snapshot_Manage.Manage_Snapshots.Create_Snapshot" target="_blank" rel="external noopener">创建快照</a>。</p>
</section>
<section class="section limitation" id="Create_Disk__fls_5l3_rvb"><div class="tasklabel"><h2 class="doc-tairway">使用限制</h2></div>
<ol class="ol" id="Create_Disk__ol_x5h_qdz_svb">
<li class="li">通过快照方式创建的云硬盘,只能采用按量计费的方式计费。</li>
<li class="li">因为单独创建的云硬盘采用按量计费方式,账户余额不得少于200元或者等值的代金券。</li>
<li class="li">用快照创建磁盘功能不支持更换云硬盘类型和容量大小。例如,使用的快照是20G的容量型云硬盘,那么使用该快照创建的云硬盘也必须是容量型云硬盘,大小为20G。</li>
<li class="li">用快照创建磁盘功能一次最多创建1块数据盘。</li>
<li class="li">云硬盘只能挂载到同一可用区的ECS实例内,创建后不支持更换可用区,请谨慎选择。</li>
</ol>
</section>
<section><div class="tasklabel"><h2 class="doc-tairway">操作步骤</h2></div><ol class="ol steps"><li class="li step stepexpand">
<span class="ph cmd">登录<a class="xref" href="https://www.ocftcloud.com/console/ecs/overview" target="_blank" rel="external noopener">云服务器ECS控制台</a>。</span>
</li><li class="li step stepexpand">
<span class="ph cmd">单击左侧导航栏<span class="ph menucascade"><span class="ph uicontrol">存储</span><abbr> > </abbr><span class="ph uicontrol">云硬盘</span></span>,进入<span class="ph uicontrol">磁盘管理</span>页面。</span>
</li><li class="li step stepexpand">
<span class="ph cmd">选择目标地域和可用区,单击右上角<span class="ph uicontrol">创建</span>,进入<span class="ph uicontrol">创建云硬盘</span>页面。</span>
<div class="itemgroup info">
<div class="note note note_note" id="Create_Disk__note_z2x_ydz_svb"><span class="note__title">说明:</span> 云硬盘只能挂载到同一可用区的ECS实例内,创建后不支持更换可用区,请谨慎选择。</div>
</div>
</li><li class="li step stepexpand">
<span class="ph cmd">在云硬盘后单击<span class="ph uicontrol">用快照创建磁盘</span>,进入<span class="ph uicontrol">选择快照</span>页面。</span>
</li><li class="li step stepexpand">
<span class="ph cmd">勾选目标快照,单击<span class="ph uicontrol">确认</span>。</span>
<div class="itemgroup info">
<div class="note note note_note" id="Create_Disk__note_wbq_c2z_svb"><span class="note__title">说明:</span> 用<span class="ph uicontrol">快照创建磁盘</span>功能一次最多创建1块数据盘。</div>
</div>
</li><li class="li step stepexpand">
<span class="ph cmd">单击<strong class="ph b">选择ECS实例</strong>,进入<strong class="ph b">选择ECS实例</strong>页面。</span>
</li><li class="li step stepexpand">
<span class="ph cmd">勾选目标ECS实例,单击<strong class="ph b">确认</strong>。</span>
</li><li class="li step stepexpand">
<span class="ph cmd">输入描述。</span>
</li><li class="li step stepexpand">
<span class="ph cmd">单击<span class="ph uicontrol">购买</span>,进入<span class="ph uicontrol">订单确认</span>页面。</span>
</li><li class="li step stepexpand">
<span class="ph cmd">单击<span class="ph uicontrol">确认开通</span>,进入<span class="ph uicontrol">支付结果</span>页面。</span>
<div class="itemgroup info">
<div class="note note note_note" id="Create_Disk__note_fwg_qgz_svb"><span class="note__title">说明:</span> 创建云硬盘大概需要2-3分钟,创建完成后云硬盘状态为<span class="ph uicontrol">使用中</span>,表示创建完成。</div>
</div>
</li></ol></section>
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