我在docker中设置了3个管理器和3个节点的本机群集。以下是结果：
docker node ls （dev-manager1）
ID HOSTNAME STATUS AVAILABILITY MANAGER STATUS
2ms0ibflqj3jlsgcv8y1flmrn dev-node1 Ready Active
68p6nhjlrl5x05msgsannhzxt * dev-manager1 Ready Active Leader
avqmsub8zbqhrc0p55wgq1vtg dev-node2 Ready Active
bicmmx2gxiq57ydycm65vca0u dev-node3 Ready Active
bszstgcdzhhnnu4xz86dqso3m dev-manager2 Ready Active Reachable
dnp4yy7661fa3ob6mal9090v5 dev-manager3 Ready Active Reachable
docker ps （dev-manager1）
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
e5b87a9af9cd gliderlabs/registrator:latest "/bin/registrator con" 23 hours ago Up 23 hours registrator
40867e62acfc swarm "/swarm manage --repl" 23 hours ago Up 23 hours 0.0.0.0:3375->2375/tcp mgr1
28e77b7ebcdf progrium/consul "/bin/start -server -" 24 hours ago Up 24 hours 1.0.1.4:8300-8302->8300-8302/tcp, 1.0.1.4:8400->8400/tcp, 53/tcp, 172.17.0.1:53->53/udp, 1.0.1.4:8500->8500/tcp, 1.0.1.4:8301-8302->8301-8302/udp consul1
从客户端：
export DOCKER_HOST=dev-manager1:3375
docker info
Nodes: 3
(unknown): 1.0.1.7:2375
└ ID:
└ Status: Pending
└ Containers: 0
└ Reserved CPUs: 0 / 0
└ Reserved Memory: 0 B / 0 B
└ Labels:
└ Error: Cannot connect to the Docker daemon at tcp://1.0.1.7:2375. Is the docker daemon running?
└ UpdatedAt: 2017-04-07T18:14:21Z
└ ServerVersion:
错误
无法在tcp：//1.0.1.7：2375连接到Docker守护程序。 docker守护程序是否正在运行？
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