MongoDB集群搭建指南-优快云博客

本文链接：https://blog.youkuaiyun.com/rznice/article/details/53926280

本文详细介绍了MongoDB的集群初始化过程，包括配置步骤、注意事项和常见问题解决，旨在帮助读者成功建立稳定的MongoDB集群环境。

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   在docker中搭建了一个mongon集群，先将其初始化的过程记录一下。
   进入到容器中，通过mongo进入MONGON，

use admin
config = {_id: "mongo",members:[{_id:0,host:"host3:27017",priority:2},{_id:1,host:"host2:27017",priority:1},{_id:2,host:"host1:27017",priority:1}]}
rs.initiate(config);

   执行完毕后返回{ "ok" : 1 }，初始化成功。
   查看节点状态：

mongo:PRIMARY> rs.status();
{
        "set" : "mongo",
        "date" : ISODate("2016-12-29T03:21:07.256Z"),
        "myState" : 1,
        "members" : [
                {
                        "_id" : 0,
                        "name" : "host3:27017",
                        "health" : 1,
                        "state" : 1,
                        "stateStr" : "PRIMARY",
                        "uptime" : 10748,
                        "optime" : Timestamp(1482981408, 1),
                        "optimeDate" : ISODate("2016-12-29T03:16:48Z"),
                        "electionTime" : Timestamp(1482981412, 1),
                        "electionDate" : ISODate("2016-12-29T03:16:52Z"),
                        "configVersion" : 1,
                        "self" : true
                },
                {
                        "_id" : 1,
                        "name" : "host2:27017",
                        "health" : 1,
                        "state" : 2,
                        "stateStr" : "SECONDARY",
                        "uptime" : 258,
                        "optime" : Timestamp(1482981408, 1),
                        "optimeDate" : ISODate("2016-12-29T03:16:48Z"),
                        "lastHeartbeat" : ISODate("2016-12-29T03:21:06.953Z"),
                        "lastHeartbeatRecv" : ISODate("2016-12-29T03:21:06.952Z"),
                        "pingMs" : 0,
                        "lastHeartbeatMessage" : "could not find member to sync from",
                        "configVersion" : 1
                },
                {
                        "_id" : 2,
                        "name" : "host1:27017",
                        "health" : 1,
                        "state" : 2,
                        "stateStr" : "SECONDARY",
                        "uptime" : 258,
                        "optime" : Timestamp(1482981408, 1),
                        "optimeDate" : ISODate("2016-12-29T03:16:48Z"),
                        "lastHeartbeat" : ISODate("2016-12-29T03:21:06.953Z"),
                        "lastHeartbeatRecv" : ISODate("2016-12-29T03:21:06.951Z"),
                        "pingMs" : 0,
                        "lastHeartbeatMessage" : "could not find member to sync from",
                        "configVersion" : 1
                }
        ],
        "ok" : 1
}