CDH4/5叢集正确啟動和停止順序

Stop:

a.stop Cluster1

b.stop Cloudera Management Service

2.stop agent and server

[root@sh-datascienceresearch-01 ~]# service cloudera-scm-agent stop

[root@sh-datascienceresearch-02 ~]# service cloudera-scm-agent stop

[root@sh-datascienceresearch-03 ~]# service cloudera-scm-agent stop

[root@sh-datascienceresearch-04 ~]# service cloudera-scm-agent stop

[root@sh-datascienceresearch-05 ~]# service cloudera-scm-agent stop

[root@sh-datascienceresearch-01 ~]# service cloudera-scm-server stop

3.stop cm database

sh-datascienceresearch-01.telenav.cn:mysqladmin:/usr/local/mysql:>service mysql stop

Start:

1.start cm database

sh-datascienceresearch-01.telenav.cn:mysqladmin:/usr/local/mysql:>service mysql start

2.start server and agent

[root@sh-datascienceresearch-01 ~]# service cloudera-scm-server start

###wait 1min

[root@sh-datascienceresearch-01 ~]# service cloudera-scm-agent start

[root@sh-datascienceresearch-02 ~]# service cloudera-scm-agent start

[root@sh-datascienceresearch-03 ~]# service cloudera-scm-agent start

[root@sh-datascienceresearch-04 ~]# service cloudera-scm-agent start

[root@sh-datascienceresearch-05 ~]# service cloudera-scm-agent start

a.start Cluster1

b.start Cloudera Management Service

###假如web界面出現，host等等圖表資訊讀取錯誤，那麼再手工重新開機 Cluster1 或者 Cloudera Management Service