修改集群ip

1 停止CDH Manager相应的管理进程(Server进程及所有节点的Agent进程)
service cloudera-scm-agent stop
service cloudera-scm-server stop
2 查看对应数据库的scm用户密码
[root@esg06 trafodion]# grep password /etc/cloudera-scm-server/db.properties
com.cloudera.cmf.db.password=aOnrBDz4Bi
3 在CDH Manager管理节点上登录数据库(默认Postgresql)
psql -h localhost -p 7432 -U scm
此时需要输入scm用户的密码，即上述步骤2中的密码

4 查看数据库中的主机IP
scm=> select host_id, host_identifier, name, ip_address from hosts;
host_id | host_identifier | name | ip_address
---------±-------------------------------------±--------------------±------------
8 | 40bce2b1-d718-467b-b757-49b55ed2fed6 | esg11.esgyncn.local | 10.10.10.11
6 | f63edca9-b64b-4d03-9339-724d520ffeef | esg08.esgyncn.local | 10.10.10.8
7 | 9949b2cf-4e09-4f3b-abeb-72a8b53b0124 | esg09.esgyncn.local | 10.10.10.9
5 | ce21067f-134f-4861-8468-ced2f214bab9 | esg10.esgyncn.local | 10.10.10.10
4 | 5b965ecf-3414-4896-a654-356a351040f5 | esg15.esgyncn.local | 10.10.10.15
10 | e251e5f2-9e4e-4210-a237-5fa5f289d8e6 | esg12.esgyncn.local | 10.10.10.12
1 | 24da548a-063b-46a9-8a2d-0c88881f4aed | esg13.esgyncn.local | 10.10.10.13
2 | cdec8d37-1206-4e71-b9b3-4fad9c080d5e | esg06.esgyncn.local | 10.10.10.6
9 | 45b1fd0a-d34b-42a7-a1c8-dc4a07485071 | esg14.esgyncn.local | 10.10.10.14
3 | 29121630-aa25-4594-82c8-c8ea7896fe9b | esg07.esgyncn.local | 10.10.10.7
(10 rows)
5 依次修改主机IP
update hosts set ip_address=’…’ where ip_address=’’;
…
6 退出数据库(:\q)

7 修改所有节点的Agent配置文件
–将server_hosts的值修改为新的CDH Manager管理节点的IP
vi /etc/cloudera-scm-agent/config.ini
8 修改所有节点的/etc/hosts，将IP修改为新的IP

9 重启启动CDH Manager对应的管理进程及Agent服务
service cloudera-scm-server-db restart
service cloudera-scm-server start
service cloudera-scm-agent start

10 修改所有机器的cloudera-scm-agent的配置文件
打开cloudera-scm-agent的配置文件,将server_host 设置成 master 新ip
/opt/cloudera-manager/cm-5.4.3/etc/cloudera-scm-agent/config.ini

Hostname of the CM server.

server_host=node1
11 重启服务
cd /opt/cloudera-manager/cm-5.4.3/etc/init.d/
./cloudera-scm-agent start
./cloudera-scm-server start