CDH集群更换ip,主机名

深藏阁楼爱情的钟 2024-04-18 22:34 77阅读 0赞

# 1, CDH集群：更换节点ip #

*  hdfs,yarn --> 集群更换ip后，可以自动识别，并重启生效，服务正常运行

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V5ZW9mZWFnbGU_size_16_color_FFFFFF_t_70]

# 2, CDH集群：更换主机名 #

*  cloudera-scm-server启动失败  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V5ZW9mZWFnbGU_size_16_color_FFFFFF_t_70 1]
 *  cloudera-scm-agent启动失败

[12/Sep/2019 19:22:04 +0000] 4106 MainThread agent        ERROR    Heartbeating to cdh1:7182 failed.
    Traceback (most recent call last):
      File "/opt/cm-5.12.2/lib64/cmf/agent/build/env/lib/python2.6/site-packages/cmf-5.12.2-py2.6.egg/cmf/agent.py", line 1417, in _send_heartbeat
        response = self.requestor.request('heartbeat', dict(request=heartbeat))
      File "/opt/cm-5.12.2/lib64/cmf/agent/build/env/lib/python2.6/site-packages/avro-1.6.3-py2.6.egg/avro/ipc.py", line 141, in request
        return self.issue_request(call_request, message_name, request_datum)
      File "/opt/cm-5.12.2/lib64/cmf/agent/build/env/lib/python2.6/site-packages/avro-1.6.3-py2.6.egg/avro/ipc.py", line 254, in issue_request
        call_response = self.transceiver.transceive(call_request)
      File "/opt/cm-5.12.2/lib64/cmf/agent/build/env/lib/python2.6/site-packages/avro-1.6.3-py2.6.egg/avro/ipc.py", line 483, in transceive

解决办法: 在/etc/hosts文件中，ip后面添加原主机名（mysql中主机名ip所在的配置scm数据库表： CM\_VERSION; HOSTS; HOSTS\_AUD;）

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V5ZW9mZWFnbGU_size_16_color_FFFFFF_t_70 2]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V5ZW9mZWFnbGU_size_16_color_FFFFFF_t_70]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/18/166b5ddf48804aedb40c1fed59907938.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V5ZW9mZWFnbGU_size_16_color_FFFFFF_t_70 1]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/18/11990b6a598a4468b8ceaf28da1cf710.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V5ZW9mZWFnbGU_size_16_color_FFFFFF_t_70 2]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/18/c49f5b0968c14b63874ee1bffce705fd.png