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end"></div></div><div class="vp-toc-wrapper"><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#一、集群启停">一、集群启停</a></li><li><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_1-confignode初次启动失败-如何排查原因">1. ConfigNode初次启动失败，如何排查原因？</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_2-confignode初次启动成功-show-cluster的结果里为何没有该节点">2. ConfigNode初次启动成功，show cluster的结果里为何没有该节点？</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_3-datanode初次启动失败-如何排查原因">3. DataNode初次启动失败，如何排查原因？</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_4-移除datanode执行失败-如何排查">4. 移除DataNode执行失败，如何排查？</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_5-挂掉的datanode是否支持移除">5. 挂掉的DataNode是否支持移除？</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_6-从0-13升级到1-0需要注意什么">6. 从0.13升级到1.0需要注意什么？</a></li><!----><!--]--></ul></li><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#二、集群重启">二、集群重启</a></li><li><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_1-如何重启集群中的某个confignode">1. 如何重启集群中的某个ConfigNode？</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_2-如何重启集群中的某个datanode">2. 如何重启集群中的某个DataNode？</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_3-将某个confignode移除后-remove-confignode-能否再利用该confignode的data目录重启">3. 将某个ConfigNode移除后（remove-confignode），能否再利用该ConfigNode的data目录重启？</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_4-将某个datanode移除后-remove-datanode-能否再利用该datanode的data目录重启">4. 将某个DataNode移除后（remove-datanode），能否再利用该DataNode的data目录重启？</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_5-用户看到某个confignode-datanode变成了unknown状态-在没有kill对应进程的情况下-直接删除掉confignode-datanode对应的data目录-然后执行start-confignode-sh-start-datanode-sh-这种情况下能成功吗">5. 用户看到某个ConfigNode/DataNode变成了Unknown状态，在没有kill对应进程的情况下，直接删除掉ConfigNode/DataNode对应的data目录，然后执行start-confignode.sh/start-datanode.sh，这种情况下能成功吗?</a></li><!----><!--]--></ul></li><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#三、集群运维">三、集群运维</a></li><li><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_1-show-cluster执行失败-显示-please-check-server-status-如何排查">1. Show cluster执行失败，显示“please check server status”，如何排查?</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_2-某一datanode节点的磁盘文件损坏-如何修复这个节点">2. 某一DataNode节点的磁盘文件损坏，如何修复这个节点?</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_3-如何降低confignode、datanode使用的内存">3. 如何降低ConfigNode、DataNode使用的内存？</a></li><!----><!--]--></ul></li><!--]--></ul><div class="vp-toc-marker" style="top:-1.7rem;"></div></div><!--[--><!----><!--]--></aside></div><!--[--><!----><!--]--><div class="theme-hope-content"><h1 id="分布式部署-faq" tabindex="-1"><a class="header-anchor" href="#分布式部署-faq"><span>分布式部署 FAQ</span></a></h1><h2 id="一、集群启停" tabindex="-1"><a class="header-anchor" href="#一、集群启停"><span>一、集群启停</span></a></h2><h3 id="_1-confignode初次启动失败-如何排查原因" tabindex="-1"><a class="header-anchor" href="#_1-confignode初次启动失败-如何排查原因"><span>1. ConfigNode初次启动失败，如何排查原因？</span></a></h3><ul><li>ConfigNode初次启动时确保已清空data/confignode目录</li><li>确保该ConfigNode使用到的&lt;IP+端口&gt;没有被占用，没有与已启动的ConfigNode使用到的&lt;IP+端口&gt;冲突</li><li>确保该ConfigNode的cn_target_confignode_list（指向存活的ConfigNode；如果该ConfigNode是启动的第一个ConfigNode，该值指向自身）配置正确</li><li>确保该ConfigNode的配置项（共识协议、副本数等）等与cn_target_confignode_list对应的ConfigNode集群一致</li></ul><h3 id="_2-confignode初次启动成功-show-cluster的结果里为何没有该节点" tabindex="-1"><a class="header-anchor" href="#_2-confignode初次启动成功-show-cluster的结果里为何没有该节点"><span>2. ConfigNode初次启动成功，show cluster的结果里为何没有该节点？</span></a></h3><ul><li>检查cn_target_confignode_list是否正确指向了正确的地址； 如果cn_target_confignode_list指向了自身，则会启动一个新的ConfigNode集群</li></ul><h3 id="_3-datanode初次启动失败-如何排查原因" tabindex="-1"><a class="header-anchor" href="#_3-datanode初次启动失败-如何排查原因"><span>3. DataNode初次启动失败，如何排查原因？</span></a></h3><ul><li>DataNode初次启动时确保已清空data/datanode目录。 如果启动结果为“Reject DataNode restart.”则表示启动时可能没有清空data/datanode目录</li><li>确保该DataNode使用到的&lt;IP+端口&gt;没有被占用，没有与已启动的DataNode使用到的&lt;IP+端口&gt;冲突</li><li>确保该DataNode的dn_target_confignode_list指向存活的ConfigNode</li></ul><h3 id="_4-移除datanode执行失败-如何排查" tabindex="-1"><a class="header-anchor" href="#_4-移除datanode执行失败-如何排查"><span>4. 移除DataNode执行失败，如何排查？</span></a></h3><ul><li>检查remove-datanode脚本的参数是否正确，是否传入了正确的ip:port或正确的dataNodeId</li><li>只有集群可用节点数量 &gt; max(元数据副本数量, 数据副本数量)时，移除操作才允许被执行</li><li>执行移除DataNode的过程会将该DataNode上的数据迁移到其他存活的DataNode，数据迁移以Region为粒度，如果某个Region迁移失败，则被移除的DataNode会一直处于Removing状态</li><li>补充：处于Removing状态的节点，其节点上的Region也是Removing或Unknown状态，即不可用状态。 该Remvoing状态的节点也不会接受客户端的请求。<br> 如果要使Removing状态的节点变为可用，用户可以使用set system status to running 命令将该节点设置为Running状态；<br> 如果要使迁移失败的Region处于可用状态，可以使用migrate region from datanodeId1 to datanodeId2 命令将该不可用的Region迁移到其他存活的节点。<br><a href="http://xn--IoTDBremove-datanode-f055at3i1sdn52bz2aw07gus4dzw4i.sh" target="_blank" rel="noopener noreferrer">另外IoTDB后续也会提供remove-datanode.sh<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span></a> -f命令，来强制移除节点（迁移失败的Region会直接丢弃）</li></ul><h3 id="_5-挂掉的datanode是否支持移除" tabindex="-1"><a class="header-anchor" href="#_5-挂掉的datanode是否支持移除"><span>5. 挂掉的DataNode是否支持移除？</span></a></h3><ul><li>当前集群副本数量大于1时可以移除。 如果集群副本数量等于1，则不支持移除。 在下个版本会推出强制移除的命令</li></ul><h3 id="_6-从0-13升级到1-0需要注意什么" tabindex="-1"><a class="header-anchor" href="#_6-从0-13升级到1-0需要注意什么"><span>6. 从0.13升级到1.0需要注意什么？</span></a></h3><ul><li>0.13版本与1.0版本的文件目录结构是不同的，不能将0.13的data目录直接拷贝到1.0集群使用。如果需要将0.13的数据导入至1.0，可以使用LOAD功能</li><li>0.13版本的默认RPC地址是0.0.0.0，1.0版本的默认RPC地址是127.0.0.1</li></ul><h2 id="二、集群重启" tabindex="-1"><a class="header-anchor" href="#二、集群重启"><span>二、集群重启</span></a></h2><h3 id="_1-如何重启集群中的某个confignode" tabindex="-1"><a class="header-anchor" href="#_1-如何重启集群中的某个confignode"><span>1. 如何重启集群中的某个ConfigNode？</span></a></h3><ul><li>第一步：通过stop-confignode.sh或kill进程方式关闭ConfigNode进程</li><li>第二步：通过执行start-confignode.sh启动ConfigNode进程实现重启</li><li>下个版本IoTDB会提供一键重启的操作</li></ul><h3 id="_2-如何重启集群中的某个datanode" tabindex="-1"><a class="header-anchor" href="#_2-如何重启集群中的某个datanode"><span>2. 如何重启集群中的某个DataNode？</span></a></h3><ul><li>第一步：通过stop-datanode.sh或kill进程方式关闭DataNode进程</li><li>第二步：通过执行start-datanode.sh启动DataNode进程实现重启</li><li>下个版本IoTDB会提供一键重启的操作</li></ul><h3 id="_3-将某个confignode移除后-remove-confignode-能否再利用该confignode的data目录重启" tabindex="-1"><a class="header-anchor" href="#_3-将某个confignode移除后-remove-confignode-能否再利用该confignode的data目录重启"><span>3. 将某个ConfigNode移除后（remove-confignode），能否再利用该ConfigNode的data目录重启？</span></a></h3><ul><li>不能。会报错：Reject ConfigNode restart. Because there are no corresponding ConfigNode(whose nodeId=xx) in the cluster.</li></ul><h3 id="_4-将某个datanode移除后-remove-datanode-能否再利用该datanode的data目录重启" tabindex="-1"><a class="header-anchor" href="#_4-将某个datanode移除后-remove-datanode-能否再利用该datanode的data目录重启"><span>4. 将某个DataNode移除后（remove-datanode），能否再利用该DataNode的data目录重启？</span></a></h3><ul><li>不能正常重启，启动结果为“Reject DataNode restart. Because there are no corresponding DataNode(whose nodeId=xx) in the cluster. Possible solutions are as follows:...”</li></ul><h3 id="_5-用户看到某个confignode-datanode变成了unknown状态-在没有kill对应进程的情况下-直接删除掉confignode-datanode对应的data目录-然后执行start-confignode-sh-start-datanode-sh-这种情况下能成功吗" tabindex="-1"><a class="header-anchor" href="#_5-用户看到某个confignode-datanode变成了unknown状态-在没有kill对应进程的情况下-直接删除掉confignode-datanode对应的data目录-然后执行start-confignode-sh-start-datanode-sh-这种情况下能成功吗"><span>5. 用户看到某个ConfigNode/DataNode变成了Unknown状态，在没有kill对应进程的情况下，直接删除掉ConfigNode/DataNode对应的data目录，<a href="http://xn--start-confignode-p301a820q612chrvf.sh/start-datanode.sh%EF%BC%8C%E8%BF%99%E7%A7%8D%E6%83%85%E5%86%B5%E4%B8%8B%E8%83%BD%E6%88%90%E5%8A%9F%E5%90%97" target="_blank" rel="noopener noreferrer">然后执行start-confignode.sh/start-datanode.sh，这种情况下能成功吗<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span></a>?</span></a></h3><ul><li>无法启动成功，会报错端口已被占用</li></ul><h2 id="三、集群运维" tabindex="-1"><a class="header-anchor" href="#三、集群运维"><span>三、集群运维</span></a></h2><h3 id="_1-show-cluster执行失败-显示-please-check-server-status-如何排查" tabindex="-1"><a class="header-anchor" href="#_1-show-cluster执行失败-显示-please-check-server-status-如何排查"><span>1. Show cluster执行失败，显示“please check server status”，如何排查?</span></a></h3><ul><li>确保ConfigNode集群一半以上的节点处于存活状态</li><li>确保客户端连接的DataNode处于存活状态</li></ul><h3 id="_2-某一datanode节点的磁盘文件损坏-如何修复这个节点" tabindex="-1"><a class="header-anchor" href="#_2-某一datanode节点的磁盘文件损坏-如何修复这个节点"><span>2. 某一DataNode节点的磁盘文件损坏，如何修复这个节点?</span></a></h3><ul><li>当前只能通过remove-datanode的方式进行实现。remove-datanode执行的过程中会将该DataNode上的数据迁移至其他存活的DataNode节点（前提是集群设置的副本数大于1）</li><li>下个版本IoTDB会提供一键修复节点的功能</li></ul><h3 id="_3-如何降低confignode、datanode使用的内存" tabindex="-1"><a class="header-anchor" href="#_3-如何降低confignode、datanode使用的内存"><span>3. 如何降低ConfigNode、DataNode使用的内存？</span></a></h3><ul><li>在conf/confignode-env.sh、conf/datanode-env.sh文件可通过调整MAX_HEAP_SIZE、MAX_DIRECT_MEMORY_SIZE等选项可以调整ConfigNode、DataNode使用的最大堆内、堆外内存</li></ul></div><!--[--><!----><!--]--><footer class="vp-page-meta"><div class="vp-meta-item edit-link"><a href="https://github.com/apache/iotdb-docs/edit/main/src/zh/UserGuide/V1.0.x/FAQ/FAQ-for-cluster-setup.md" rel="noopener noreferrer" target="_blank" aria-label="发现错误？在 GitHub 上编辑此页" class="nav-link vp-meta-label"><!--[--><svg xmlns="http://www.w3.org/2000/svg" class="icon edit-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="edit icon"><path d="M430.818 653.65a60.46 60.46 0 0 1-50.96-93.281l71.69-114.012 7.773-10.365L816.038 80.138A60.46 60.46 0 0 1 859.225 62a60.46 60.46 0 0 1 43.186 18.138l43.186 43.186a60.46 60.46 0 0 1 0 86.373L588.879 565.55l-8.637 8.637-117.466 68.234a60.46 60.46 0 0 1-31.958 11.229z"></path><path d="M728.802 962H252.891A190.883 190.883 0 0 1 62.008 771.98V296.934a190.883 190.883 0 0 1 190.883-192.61h267.754a60.46 60.46 0 0 1 0 120.92H252.891a69.962 69.962 0 0 0-69.098 69.099V771.98a69.962 69.962 0 0 0 69.098 69.098h475.911A69.962 69.962 0 0 0 797.9 771.98V503.363a60.46 60.46 0 1 1 120.922 0V771.98A190.883 190.883 0 0 1 728.802 962z"></path></svg><!--]-->发现错误？在 GitHub 上编辑此页<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span><!----></a></div><div class="vp-meta-item git-info"><div class="update-time"><span class="vp-meta-label">上次编辑于: </span><!----></div><!----></div></footer><nav class="vp-page-nav"><a class="route-link nav-link prev" href="/zh/UserGuide/V1.0.x/FAQ/Frequently-asked-questions.html" aria-label="常见问题"><div class="hint"><span class="arrow start"></span>上一页</div><div class="link"><!---->常见问题</div></a><!----></nav><!----><!--[--><!----><!--]--><!--]--></main><!--]--><footer style="padding-bottom:2rem;"><span id="doc-version" style="display:none;">rel/1.0</span><p style="text-align:center;color:#909399;font-size:12px;margin:0 30px;">Copyright © 2024 The Apache Software Foundation.<br> Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p><p style="text-align:center;margin-top:10px;color:#909399;font-size:12px;margin:0 30px;"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p></footer></div><!--]--><!--]--><!--[--><!----><!--]--><!--]--></div>
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