查看当前集群节点信息
# etcdctl member list --write-out=table +------------------+---------+--------------------+--------------------------------+-----------------------------------------------------+------------+ | ID | STATUS | NAME | PEER ADDRS | CLIENT ADDRS | IS LEARNER | +------------------+---------+--------------------+--------------------------------+-----------------------------------------------------+------------+ | 44d8bc3300880bcd | started | sht-sgmhadoopdn-01 | http://sht-sgmhadoopdn-01:2380 | http://10.0.0.1:2379,http://sht-sgmhadoopdn-01:2379 | false | | d446fbe3296eb85a | started | sht-sgmhadoopdn-03 | http://sht-sgmhadoopdn-03:2380 | http://10.0.0.1:2379,http://sht-sgmhadoopdn-02:2379 | false | | e9136c1ad1754783 | started | sht-sgmhadoopdn-02 | http://sht-sgmhadoopdn-02:2380 | http://10.0.0.1:2379,http://sht-sgmhadoopdn-02:2379 | false | +------------------+---------+--------------------+--------------------------------+-----------------------------------------------------+------------+
添加新节点sht-sgmhadoopdn-04(172.16.101.66)
添加集群节点对应hosts文件解析
# cat /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 172.16.101.58 sht-sgmhadoopdn-01 172.16.101.59 sht-sgmhadoopdn-02 172.16.101.60 sht-sgmhadoopdn-03 172.16.101.66 sht-sgmhadoopdn-04
新节点配置etcd
配置文件etcd.conf