Error response from daemon: rpc error: code = FailedPrecondition

删除docker swarm下的节点报错:
Error response from daemon: rpc error: code = FailedPrecondition desc = node y2qsyjdbfmm4tjwh4p9wqlmq1 is not down and can’t be removed

解决(需要把active状态的节点修改掉):

[[email protected] ~]$ docker node ls
ID                            HOSTNAME            STATUS              AVAILABILITY        MANAGER STATUS      ENGINE VERSION
875ul8zt886yee5bp115xevpe *   centos-node1        Ready               Active              Leader              19.03.5
y2qsyjdbfmm4tjwh4p9wqlmq1     centos-node2        Down                Active                                  19.03.5
[[email protected] ~]$ docker node update --help
[[email protected] ~]$ docker node update --availability drain y2qsyjdbfmm4tjwh4p9wqlmq1
[[email protected] ~]$ docker node rm y2qsyjdbfmm4tjwh4p9wqlmq1