<p class="shortdesc">您可以将一块云硬盘从一台云服务器卸载之后挂载到其它云服务器上。</p> <section class="section context" id="mountdrive__context_xmf_zym_slb"><div class="tasklabel"><h2 class="doc-tairway">背景信息</h2></div> <ul class="ul" id="mountdrive__ul_ftg_zym_slb"> <li class="li">已经创建好待挂载的ECS实例，而且实例状态为<strong class="ph b">运行中</strong>。</li> <li class="li">已经创建好用于挂载的云硬盘，并且该云硬盘的状态必须是<strong class="ph b">待挂载</strong>。</li> </ul> </section> <section class="section context" id="mountdrive__context_mcf_xym_slb"><div class="tasklabel"><h2 class="doc-tairway">背景信息</h2></div> <p class="p">随ECS实例创建云硬盘时，云硬盘会默认挂载在该ECS实例下。单独创建的云硬盘在创建之时，也会选择要挂载的云硬盘。上述这两种方式，在完成ECS或者云硬盘创建之后，云硬盘就会自动挂载到对应的ECS实例下，无需额外操作。只有当一个云硬盘从一个ECS实例上被卸载后，变为<strong class="ph b">待挂载</strong>状态时，才可以在控制台上执行挂载动作，将其挂载到另外一台云服务器上。</p> </section> <section class="section limitation" id="mountdrive__vvs_wym_slb"><div class="tasklabel"><h2 class="doc-tairway">使用限制</h2></div> <ul class="ul" id="mountdrive__ul_frr_zym_slb"> <li class="li">挂载的云硬盘只能是数据盘，不能挂载系统盘。</li> <li class="li">一个云硬盘只能挂载到同一地域同一可用区的ECS实例上。</li> <li class="li">与实例一同创建的包月云硬盘不支持卸载后挂载。</li> </ul> </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="/console/ecs/overview" target="_blank">云服务器ECS控制台</a>。 </span> </li><li class="li step stepexpand"> <span class="ph cmd">在左侧导航栏中单击<span class="ph menucascade"><span class="ph uicontrol">存储</span><abbr> > </abbr><span class="ph uicontrol">云硬盘</span></span>。</span> </li><li class="li step stepexpand"> <span class="ph cmd"> 在<span class="keyword wintitle">磁盘管理</span>页面，找到待挂载的云硬盘，单击操作列中的<span class="ph menucascade"><span class="ph uicontrol"><img class="image" id="mountdrive__image_bzw_hvm_slb" src="https://obs-cn-shanghai.fincloud.pinganyun.com/pacloud/20220711183927-173d7b0f9ccd.png"></span><abbr> > </abbr><span class="ph uicontrol">挂载</span></span>。</span> <div class="itemgroup info"> <img class="image" id="mountdrive__image_abw_lzm_slb" src="https://obs-cn-shanghai.fincloud.pinganyun.com/pacloud/20220711183927-1ed1e0a19a36.png" width="800"> </div> </li><li class="li step stepexpand"> <span class="ph cmd">在<span class="keyword wintitle">选择ECS实例</span>页面，勾选对应的ECS实例，然后单击<span class="ph uicontrol">确认</span>。</span> <div class="itemgroup info"> <img class="image" id="mountdrive__image_uhn_4zm_slb" src="https://obs-cn-shanghai.fincloud.pinganyun.com/pacloud/20220711183927-1eccd268922f.png" width="800"> </div> </li></ol></section> <section class="section result" id="mountdrive__result_nrd_qzm_slb"><div class="tasklabel"><h2 class="doc-tairway">执行结果</h2></div> <p class="p">在<span class="keyword wintitle">磁盘管理</span>页面中，该云磁盘的状态会由挂载前的<strong class="ph b">待挂载</strong>，变为<strong class="ph b">挂载中</strong>，大概持续1~2分钟后，变为<strong class="ph b">使用中</strong>。</p> </section>