3月2

3月2

[root@cbp1 ~]# sudo -u hdfs hdfs haadmin -getServiceState namenode63
active
[root@cbp1 ~]# sudo -u hdfs hdfs haadmin -getServiceState namenode106
standby

切换namenode:

[root@cbp1 ~]# sudo -u hdfs hdfs haadmin -failover namenode63 namenode106
Failover to NameNode at cbp2.chinaoly.com/192.168.51.42:8022 successful