<p class="shortdesc">当文件系统容量不能满足实际业务存储需求或容量接近不足时，您还可以在线扩容文件系统容量。</p> <section class="section prereq" id="expansionsystem__prereq_rlr_tdt_3mb"><div class="tasklabel"><h2 class="doc-tairway">前提条件</h2></div> <p class="p">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">创建文件系统</a>。</p> </section> <section class="section limitation" id="expansionsystem__vvs_wym_slb"><div class="tasklabel"><h2 class="doc-tairway">使用限制</h2></div> <p class="p">扩容后大小不能超过65536GB。</p> </section> <section id="expansionsystem__steps_ddl_ksk_3mb"><div class="tasklabel"><h2 class="doc-tairway">操作步骤</h2></div><ol class="ol steps" id="expansionsystem__steps_ddl_ksk_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">在<span class="keyword wintitle">CloudNAS卷列表</span>页面，找到目标文件系统，单击文<span class="ph uicontrol">操作</span>列中的<span class="ph uicontrol">扩容</span>。</span> <div class="itemgroup info"> <img class="image" id="expansionsystem__image_jyy_cxn_w5b" src="https://obs-cn-shanghai.fincloud.pinganyun.com/pacloud/20222209140647-12bcf26f9e8b.png" width="750"> </div> </li><li class="li step stepexpand"> <span class="ph cmd">在<span class="keyword wintitle">扩容</span>页面，输入要增加的容量值。</span> <div class="itemgroup info"> <img class="image" id="expansionsystem__image_vcw_fxn_w5b" src="https://obs-cn-shanghai.fincloud.pinganyun.com/pacloud/20222209140647-1dea486094c9.png"> </div> </li><li class="li step stepexpand"> <span class="ph cmd"> 完成后，单击<span class="ph uicontrol">确认</span>。</span> </li><li class="li step stepexpand"> <span class="ph cmd"> 在<span class="keyword wintitle">订单确认</span>页面，确认配置信息及费用，无误后，单击<span class="ph uicontrol">确认升配</span>。</span> </li></ol></section> <section class="section result" id="expansionsystem__result_nrd_qzm_slb"><div class="tasklabel"><h2 class="doc-tairway">执行结果</h2></div> <p class="p">完成后，页面显示“支付成功”。</p> </section>