- dbpath=/data/db #指定数据库路径
- logpath=/data/mongodb.log #指定日志文件路径
- logappend=true #在日志文件持续添加
- port=27017 #端口号
- bind_ip=0.0.0.0 #允许远程访问
- fork=true #后台运行
- replSet=admin #设置副本集名称
- > config = { _id:"admin",
- members:[
- {_id:0,host:"10.175.120.131:27017"},
- {_id:1,host:"10.175.121.134:27017"},
- {_id:2,host:"10.175.121.136:27017"}
- ]
- }
- {
- "set" : "admin",
- "date" : ISODate("2018-09-21T08:52:24.064Z"),
- "myState" : 1,
- "term" : NumberLong(3),
- "heartbeatIntervalMillis" : NumberLong(2000),
- "optimes" : {
- "lastCommittedOpTime" : {
- "ts" : Timestamp(1537519943, 1),
- "t" : NumberLong(3)
- },
- "readConcernMajorityOpTime" : {
- "ts" : Timestamp(1537519943, 1),
- "t" : NumberLong(3)
- },
- "appliedOpTime" : {
- "ts" : Timestamp(1537519943, 1),
- "t" : NumberLong(3)
- },
- "durableOpTime" : {
- "ts" : Timestamp(1537519943, 1),
- "t" : NumberLong(3)
- }
- },
- "members" : [
- {
- "_id" : 1,
- "name" : "10.175.120.131:27017",
- "health" : 1, "state" : 1,
- "stateStr" : "PRIMARY",
- "uptime" : 5874,
- "optime" : {
- "ts" : Timestamp(1537519943, 1),
- "t" : NumberLong(3)
- },
- "optimeDate" : ISODate("2018-09-21T08:52:23Z"),
- "electionTime" : Timestamp(1537514082, 1),
- "electionDate" : ISODate("2018-09-21T07:14:42Z"),
- "configVersion" : 1,
- "self" : true
- },
- {
- "_id" : 2,
- "name" : "10.175.121.134:27017",
- "health" : 1,
- "state" : 2,
- "stateStr" : "SECONDARY",
- "uptime" : 5861,
- "optime" : {
- "ts" : Timestamp(1537519933, 1),
- "t" : NumberLong(3)
- },
- "optimeDurable" : {
- "ts" : Timestamp(1537519933, 1),
- "t" : NumberLong(3)
- },
- "optimeDate" : ISODate("2018-09-21T08:52:13Z"),
- "optimeDurableDate" : ISODate("2018-09-21T08:52:13Z"),
- "lastHeartbeat" : ISODate("2018-09-21T08:52:23.012Z"),
- "lastHeartbeatRecv" : ISODate("2018-09-21T08:52:23.584Z"),
- "pingMs" : NumberLong(0),
- "syncingTo" : "10.175.120.131:27017",
- "configVersion" : 1
- },
- {
- "_id" : 3,
- "name" : "10.175.121.136:27017",
- "health" : 1,
- "state" : 2,
- "stateStr" : "SECONDARY",
- "uptime" : 5866,
- "optime" : {
- "ts" : Timestamp(1537519933, 1),
- "t" : NumberLong(3)
- },
- "optimeDurable" : {
- "ts" : Timestamp(1537519933, 1),
- "t" : NumberLong(3)
- },
- "optimeDate" : ISODate("2018-09-21T08:52:13Z"),
- "optimeDurableDate" : ISODate("2018-09-21T08:52:13Z"),
- "lastHeartbeat" : ISODate("2018-09-21T08:52:23.013Z"),
- "lastHeartbeatRecv" : ISODate("2018-09-21T08:52:23.558Z"),
- "pingMs" : NumberLong(0),
- "syncingTo" : "10.175.120.131:27017",
- "configVersion" : 1
- }
- ],
- "ok" : 1,
- "operationTime" : Timestamp(1537519943, 1),
- "$clusterTime" : {
- "clusterTime" : Timestamp(1537519943, 1),
- "signature" : {
- "hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
- "keyId" : NumberLong(0)
- }
- }
- }
- "health" : 1, #代表机器正常
- "stateStr" : "PRIMARY", #代表是主节点,可读写,其中有以下几下状态
-
- 1. STARTUP:刚加入到复制集中,配置还未加载
- 2. STARTUP2:配置已加载完,初始化状态
- 3. RECOVERING:正在恢复,不适用读
- 4. ARBITER: 仲裁者
- 5. DOWN:节点不可到达
- 6. UNKNOWN:未获取其他节点状态而不知是什么状态,一般发生在只有两个成员的架构,脑裂
- 7. REMOVED:移除复制集
- 8. ROLLBACK:数据回滚,在回滚结束时,转移到RECOVERING或SECONDARY状态
- 9. FATAL:出错。查看日志grep “replSet FATAL”找出错原因,重新做同步
- 10. PRIMARY:主节点
- 11. SECONDARY:备份节点