etcd如何去掉坏掉的节点，添加新节点

etcd如何去掉坏掉的节点，添加新节点

etcd运行了有一段时间，最近发现etcd报警，发现一台etcd的容器损坏，但是etcd没有自动将该节点去除;同时k8s添加了一个节点，但是该节点有加入集群，需要重新添加。

[root@A01-R04-I69-122 ~]# etcdctl --endpoints=" cluster-health failed to check the health of member ec292d985b723e4 on Get dial tcp 10.187.27.196:4001: getsockopt: connection timed outmember ec292d985b723e4 is unreachable: [are all unreachablemember 2727dc2f519c6794 is healthy: got healthy result from 4e56d8229082190f is healthy: got healthy result from 5780625be722ce57 is healthy: got healthy result from ec2aa2bbe0c891b7 is healthy: got healthy result from 10.187.27.196 损坏，记录下该节点的id ec292d985b723e4

执行删除命令：etcdctl --endpoints=" member remove ec292d985b723e4Removed member ec292d985b723e4 from cluster

再次查看，损坏节点已经去掉。

etcdctl --endpoints=" cluster-healthmember 2727dc2f519c6794 is healthy: got healthy result from 4e56d8229082190f is healthy: got healthy result from 5780625be722ce57 is healthy: got healthy result from ec2aa2bbe0c891b7 is healthy: got healthy result from http://10.187.27.200:4001

对于新节点，首先听到etcd,将目录删除，然后重启，重启后，就会加入该集群。

另外，我们是通过k8s部署的etcd,其他方式，不适合，另外，极力推荐使用k8s的方式进行部署。

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