<p class="shortdesc">本文主要介绍如何对实例版本进行大版本升级。</p> <section class="section prereq" id="MajorVersionUpgrade__prereq_tdm_wxq_gsb1"><div class="tasklabel"><h2 class="doc-tairway">前提条件</h2></div> <p class="p">您已成功创建主从版常规实例可参考<a class="xref" href="https://www.ocftcloud.com/ssr/help/database/Redis/User_Guide.Instance_Management.Create_Instance" target="_blank" rel="external noopener">创建常规实例</a>。</p> </section> <section class="section context"><div class="tasklabel"><h2 class="doc-tairway">背景信息</h2></div> <p class="p">当前如果有更高级别的大版本时，需要在下拉选项框中，可以看到大版本的版本号，且可以选择。</p> </section> <section class="section attention" id="MajorVersionUpgrade__lsz_h5b_htb"><div class="tasklabel"><h2 class="doc-tairway">注意事项</h2></div> <ul class="ul" id="MajorVersionUpgrade__ul_ot2_y5b_htb"> <li class="li"> <p class="p">升级期间会发生5秒之内的连接闪断，需确认应用程序具备重连机制，方可进行操作。</p> </li> <li class="li"> <p class="p">升级到最高版本后，不可进行降级。</p> </li> <li class="li"> <p class="p">若有多个可升级的大版本时，可以逐级进行升级，也可跨级进行升级。</p> </li> <li class="li"> <p class="p">若大版本升级失败，不允许再次点击进行升级，且会导致当前实例不可进行操作，需联系<a class="xref" href="https://www.ocftcloud.com/ssr/contactus" target="_blank" rel="external noopener">金融云技术支持</a>进行手工处理。</p> </li> <li class="li"> <p class="p">大版本升级时，管理、释放、重启、清空数据和续费等功能禁用；并且不可做如下操作：启动实例、停止实例、重启实例、释放实例、升（降）配计算资源、升配存储资源、修改参数、SSL加密、迁移实例。</p> </li> </ul> </section> <section id="MajorVersionUpgrade__steps_qpk_hvb_htb"><div class="tasklabel"><h2 class="doc-tairway">操作步骤</h2></div><ol class="ol steps" id="MajorVersionUpgrade__steps_qpk_hvb_htb"><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/ac/login" target="_blank" rel="external noopener">弹性缓存Redis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">RedisMS</span>，进入<span class="ph uicontrol">云数据库管理</span>页面。</span> <div class="itemgroup info"> <div class="note important note_important" id="MajorVersionUpgrade__note_rpk_hvb_htb"><span class="note__title">重要：</span> 如果创建集群实例，单击左侧导航栏<span class="ph uicontrol">RedisCluster</span>。</div> </div> </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">基本信息</span>页签。</span> </li><li class="li step stepexpand"> <span class="ph cmd">在<span class="ph uicontrol">大版本升级</span>区域，下拉列表中选择合适的版本号。</span> <div class="itemgroup info"> <div class="p"> <img class="image" id="MajorVersionUpgrade__image_ott_zvx_gsb" src="https://obs-cn-shanghai.ocftcloud.com/pacloud/20222104135332-1fc865ac9be5.png" width="500"> </div> </div> </li><li class="li step stepexpand"> <span class="ph cmd">单击<span class="ph uicontrol">设置</span>。</span> </li><li class="li step stepexpand"> <span class="ph cmd">在<span class="ph uicontrol">大版本升级</span>弹窗中确认<span class="ph uicontrol">当前版本</span>和<span class="ph uicontrol">升级版本</span></span> </li><li class="li step stepexpand"> <span class="ph cmd">选择<span class="ph uicontrol">升级时间</span>为<span class="ph uicontrol">立即升级</span>或<span class="ph uicontrol">维护时间内升级</span>。</span> </li><li class="li step stepexpand"> <span class="ph cmd">单击<span class="ph uicontrol">确认</span>。</span> </li></ol></section> <section class="section result" id="MajorVersionUpgrade__result_rd4_yxb_htb"><div class="tasklabel"><h2 class="doc-tairway">执行结果</h2></div> <p class="p">在<span class="ph uicontrol">云数据库管理</span>页面，选择<span class="ph uicontrol">托管模式</span>/<span class="ph uicontrol">非托管模式</span>页签，可以查看到目标实例<span class="ph uicontrol">状态</span>由<span class="ph uicontrol">版本升级中</span>显示为<span class="ph uicontrol">运行中</span>，目标实例版本更新为最新版本号。 </p> </section>