<p class="shortdesc">本文主要介绍如何查看RDS-MySQL只读实例的服务可用。</p> <section class="section prereq" id="View_Read_Only_Service__prereq_nwm_pzs_m5b"><div class="tasklabel"><h2 class="doc-tairway">前提条件</h2></div> <p class="p">您已成功创建只读实例，可参考<a class="xref" href="/ssr/help/database/MySQL/Guide.IM.CIns.CROIns" target="_blank" rel="external noopener">创建只读实例</a>。</p> </section> <section class="section context"><div class="tasklabel"><h2 class="doc-tairway">背景信息</h2></div> <p class="p">通过只读实例的服务可用，您可以获取只读实例的<span class="ph uicontrol">数据可用性</span>、<span class="ph uicontrol">高可用类型</span>以及<span class="ph uicontrol">服务拓扑图</span>。</p> </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">以资源组管理员身份登录<a class="xref" href="https://www.ocftcloud.com/console/rds/mysql" target="_blank" rel="external noopener">RDS-MySQL管理控制台</a>。</span> </li><li class="li step stepexpand"> <span class="ph cmd">单击左侧导航栏<span class="ph uicontrol">RDS-MySQL</span>，进入<span class="ph uicontrol">云数据库管理</span>页面。</span> </li><li class="li step stepexpand"> <span class="ph cmd">选择目标地域。</span> </li><li class="li step stepexpand"> <span class="ph cmd">单击目标实例<span class="ph uicontrol">操作</span>列的<span class="ph uicontrol">管理</span>，选择<span class="ph uicontrol">服务可用</span>页签，查看RDS-MySQL只读实例的服务可用相关信息：</span> <div class="itemgroup info"> <ul class="ul" id="View_Read_Only_Service__ul_swn_b4y_gsb"> <li class="li">在<span class="ph uicontrol">实例可用性</span>区域可查看：<span class="ph uicontrol">数据可用性</span>以及<span class="ph uicontrol">高可用类型</span>。</li> <li class="li">在<span class="ph uicontrol">服务拓扑图</span>区域可查看：只读实例所在的地域和可用区。</li> </ul> </div> </li></ol></section>