1.启动mongodb
./mongod --rest --replSet set1
这里的set1为replSet名称

2.rs.status()查看当前副本集合的状态
内容如下，有些可能会不同
{
"startupStatus" : 3,
"info" : "run rs.initiate(...) if not yet done for the set",
"errmsg" : "can't get local.system.replset config from self or any seed (EMPTYCONFIG)",
"ok" : 0
}

意思是还没有得到副本集合的配置信息
config_rs={_id:'snsgame',members:[{_id:0,host:'172.16.22.168:27027'},{_id:1,host:'172.16.22.180:27037',priority:0},{_id:2,host:'172.16.22.143:27047',priority:0}]}

rs.initiate(config_rs);

3 rs.status()查看配置信息

test:PRIMARY> rs.status()rs.status()
{
        "set" : "test",
        "date" : ISODate("2012-11-08T10:37:30Z"),
        "myState" : 1,
        "members" : [
                {
                        "_id" : 0,
                        "name" : "172.16.22.168:27027",
                        "health" : 1,
                        "state" : 1,
                        "stateStr" : "PRIMARY",
                        "uptime" : 3326,
                        "optime" : Timestamp(1352368987000, 1),
                        "optimeDate" : ISODate("2012-11-08T10:03:07Z"),
                        "self" : true
                },
                {
                        "_id" : 1,
                        "name" : "172.16.22.180:27037",
                        "health" : 1,
                        "state" : 2,
                        "stateStr" : "SECONDARY",
                        "uptime" : 2746,
                        "optime" : Timestamp(1352368987000, 1),
                        "optimeDate" : ISODate("2012-11-08T10:03:07Z"),
                        "lastHeartbeat" : ISODate("2012-11-08T10:37:29Z"),
                        "pingMs" : 0
                },
                {
                        "_id" : 2,
                        "name" : "172.16.22.143:27047",
                        "health" : 1,
                        "state" : 2,
                        "stateStr" : "SECONDARY",
                        "uptime" : 2746,
                        "optime" : Timestamp(1352368987000, 1),
                        "optimeDate" : ISODate("2012-11-08T10:03:07Z"),
                        "lastHeartbeat" : ISODate("2012-11-08T10:37:29Z"),
                        "pingMs" : 0
                }
        ],
        "ok" : 1
}

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mongodb 配置replSet mongodb 配置副本集 .

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