<p class="shortdesc">当某个云主机不再需要访问某个文件系统时，您可以在云主机上将其卸载，然后删除对该云主机的授权。</p> <section class="section prereq" id="unauthorizehost__prereq_nrl_wqt_3mb"><div class="tasklabel"><h2 class="doc-tairway">前提条件</h2></div> <ul class="ul" id="unauthorizehost__ul_xqm_wqt_3mb"> <li class="li">已完成文件系统的创建，并添加授权云服务器。请参见<a class="xref" href="/ssr/help/storage/efs/manual.managtfile.createfile" target="_blank">创建文件系统</a>。</li> <li class="li">文件系统已经在待解除授权的云服务器下完成卸载。</li> </ul> </section> <section id="unauthorizehost__steps_e5x_lkk_3mb"><div class="tasklabel"><h2 class="doc-tairway">操作步骤</h2></div><ol class="ol steps" id="unauthorizehost__steps_e5x_lkk_3mb"><li class="li step stepexpand"> <span class="ph cmd"> 登录<a class="xref" href="/console/CloudNAS" target="_blank">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解除云主机授权：</span> <div class="itemgroup info"> <ul class="ul" id="unauthorizehost__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>。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>处，找到目标实例，单击<span class="ph uicontrol">操作</span>列中的<span class="ph uicontrol">解除授权</span>。</p><img class="image" id="unauthorizehost__image_imj_t1z_3mb" src="https://obs-cn-shanghai.fincloud.pinganyun.com/pacloud/20222209140647-1532b9539cd8.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>页面中下方的<span class="ph uicontrol">挂载路径管理</span>处，找到目标实例，单击<span class="ph uicontrol">操作</span>列中的<span class="ph uicontrol">解除授权</span>。</p><img class="image" id="unauthorizehost__image_ibc_x1z_3mb" src="https://obs-cn-shanghai.fincloud.pinganyun.com/pacloud/20222209140647-1739bcf29b4b.png" width="800"></li> </ul> </div> </li><li class="li step stepexpand"> <span class="ph cmd">在弹出的提示框中，单击<span class="ph uicontrol">确认</span>。</span> </li></ol></section> <section class="section result" id="unauthorizehost__result_myt_grt_3mb"><div class="tasklabel"><h2 class="doc-tairway">执行结果</h2></div> <p class="p">解除授权成功后，页面下方会提示“操作成功”，并且从挂载路径列表中移除该云服务器。</p> </section>