<p class="shortdesc">您可以在创建文件系统之初添加授权云服务器，也可以在创建之后添加新的云服务器。只有授权的云服务器才能挂载并访问文件系统。</p> <section class="section prereq" id="addhost__prereq_g3j_zkk_3mb"><div class="tasklabel"><h2 class="doc-tairway">前提条件</h2></div> <ol class="ol" id="addhost__ol_l35_gqt_3mb"> <li class="li">已经创建并配置了一个或者多个基于Linux或者Windows操作系统的云服务器，请参见<a class="xref" href="/ssr/help/compute/ecs/Quick_Start.Linux_Quick_Start.Create_Instance" target="_blank" rel="external noopener">创建云服务器ECS（Linux操作系统）</a>或<a class="xref" href="/ssr/help/compute/ecs/Quick_Start.Windows_Quick_Start.Create_Instance" target="_blank" rel="external noopener">创建云服务器（Windows操作系统）</a>。</li> <li class="li">已完成文件系统的创建，请参见<a class="xref" href="/ssr/help/storage/efs/manual.managtfile.createfile" target="_blank" rel="external noopener">创建文件系统</a>。</li> </ol> </section> <section id="addhost__steps_e5x_lkk_3mb"><div class="tasklabel"><h2 class="doc-tairway">操作步骤</h2></div><ol class="ol steps" id="addhost__steps_e5x_lkk_3mb"><li class="li step stepexpand"> <span class="ph cmd"> 登录<a class="xref" href="/console/CloudNAS" target="_blank" rel="external noopener">云文件存储CloudNAS控制台</a>。 </span> </li><li class="li step stepexpand"> <span class="ph cmd">您可以通过如下两种方式添加主机授权：</span> <div class="itemgroup info"> <div class="note note note_note" id="addhost__note_p3y_p4j_vvb"><span class="note__title">说明：</span> <p class="p">仅支持运行中状态主机进行授权，并且NAS卷仅支持授权同一可用区主机。</p> </div> <ul class="ul" id="addhost__ul_nqh_jqt_3mb"> <li class="li"><strong class="ph b">方式一</strong>：<p class="p">在<span class="ph uicontrol">CloudNAS卷列表</span>中，找到目标文件系统，单击<span class="ph uicontrol">操作</span>列中的<span class="ph uicontrol">授权</span>。</p><img class="image" id="addhost__image_idr_n1z_3mb" src="https://obs-cn-shanghai.fincloud.pinganyun.com/pacloud/20221412113527-15e40e199509.png" width="800"></li> <li class="li"><strong class="ph b">方式二</strong>：<p class="p">在<span class="ph uicontrol">CloudNAS卷列表</span>中，找到目标文件系统，单击文件系统名称，在<span class="keyword wintitle">卷详情</span>页面中，单击<span class="ph uicontrol">挂载路径管理</span>栏中的<span class="ph uicontrol">+授权</span>。</p><img class="image" id="addhost__image_jpb_m1z_3mb" src="https://obs-cn-shanghai.fincloud.pinganyun.com/pacloud/20221412113527-1bb628849386.png" width="800"></li> </ul> </div> </li><li class="li step stepexpand"> <span class="ph cmd">在<span class="keyword wintitle">授权</span>页面的<span class="ph uicontrol">实例列表</span>中，勾选待添加的云服务器或物理服务器，完成后，单击右上角的<span class="ph uicontrol">保存</span>按钮。</span> <div class="itemgroup info"> <img class="image" id="addhost__image_nvf_5dk_x5b" src="https://obs-cn-shanghai.fincloud.pinganyun.com/pacloud/20221412113527-173e949096c2.png" width="750"> </div> </li></ol></section> <section class="section result" id="addhost__result_frf_llk_3mb"><div class="tasklabel"><h2 class="doc-tairway">执行结果</h2></div> <p class="p">已授权的云服务器会显示在<span class="keyword wintitle">授权</span>页面下方的<span class="ph uicontrol">已挂载实例列表</span>中。您可以在此列表中查看当前文件系统授权的全部云服务器信息。您也可以在此解除对某个云服务器的的授权。</p> <img class="image" id="addhost__image_tz4_qdk_x5b" src="https://obs-cn-shanghai.fincloud.pinganyun.com/pacloud/20221412113527-13b3763e97dc.png" width="750"> </section>