这期内容当中小编将会给大家带来有关MongoDB中怎么修复config配置节点，文章内容丰富且以专业的角度为大家分析和叙述，阅读完这篇文章希望大家可以有所收获。

修复流程如下：

# 登录到config库，查看config的节点状态

# 可以看到_id为2的节点状态是不可访问的

[root@mongos-mq~]#/opt/mongodb-linux-x86_64-3.2.10/bin/mongo--port10000MongoDBshellversion:3.2.10connectingto:127.0.0.1:10000/testconfig_rs:PRIMARY>useadminswitchedtodbadminconfig_rs:PRIMARY>db.auth("root","xxx")1config_rs:PRIMARY>rs.status(){"set":"config_rs","date":ISODate("2018-05-30T04:53:21.081Z"),"myState":1,"term":NumberLong(1),"configsvr":true,"heartbeatIntervalMillis":NumberLong(2000),"members":[{"_id":0,"name":"192.168.210.208:10000","health":1,"state":1,"stateStr":"PRIMARY","uptime":1112804,"optime":{"ts":Timestamp(1527656000,1),"t":NumberLong(1)},"optimeDate":ISODate("2018-05-30T04:53:20Z"),"electionTime":Timestamp(1526543249,2),"electionDate":ISODate("2018-05-17T07:47:29Z"),"configVersion":3,"self":true},{"_id":1,"name":"192.168.210.209:10000","health":1,"state":2,"stateStr":"SECONDARY","uptime":1111358,"optime":{"ts":Timestamp(1527656000,1),"t":NumberLong(1)},"optimeDate":ISODate("2018-05-30T04:53:20Z"),"lastHeartbeat":ISODate("2018-05-30T04:53:20.836Z"),"lastHeartbeatRecv":ISODate("2018-05-30T04:53:19.329Z"),"pingMs":NumberLong(0),"syncingTo":"192.168.210.208:10000","configVersion":3},{"_id":2,"name":"192.168.210.207:10000","health":0,"state":8,"stateStr":"(notreachable/healthy)","uptime":0,"optime":{"ts":Timestamp(0,0),"t":NumberLong(-1)},"optimeDate":ISODate("1970-01-01T00:00:00Z"),"lastHeartbeat":ISODate("2018-05-30T04:53:20.850Z"),"lastHeartbeatRecv":ISODate("2018-05-26T09:07:27.318Z"),"pingMs":NumberLong(0),"lastHeartbeatMessage":"Connectionrefused","configVersion":-1}],"ok":1}#在故障节点上面重新安装MongoDB，创建数据文件目录[root@tomcat-207opt]#tarxfzmongodb-linux-x86_64-3.2.10.tgz[root@tomcat-207opt]#mkdir-p/data/mongodb_data/config_rs1_10000#配置参数文件[root@tomcat-207opt]#cat/etc/mongodb/config_rs1_10000.confsystemLog:destination:filepath:/data/mongodb_data/config_rs1_10000/mongod.logprocessManagement:fork:truenet:bindIp:0.0.0.0port:10000security:keyFile:/data/mongodb_data/keyfilestorage:dbPath:/data/mongodb_data/config_rs1_10000directoryPerDB:trueoperationProfiling:slowOpThresholdMs:100mode:slowOpreplication:replSetName:config_rssharding:clusterRole:configsvr#从其他config节点拷贝过来keyfile文件[root@mongos-mqopt]#scp/data/mongodb_data/keyfileroot@192.168.210.207:/data/mongodb_data/#启动Mongo[root@mongos-mqopt]#/opt/mongodb-linux-x86_64-3.2.10/bin/mongod-f/etc/mongodb/config_rs1_10000.confabouttoforkchildprocess,waitinguntilserverisreadyforconnections.forkedprocess:3744childprocessstartedsuccessfully,parentexiting#查看config节点状态#所有的config节点都恢复正常config_rs:PRIMARY>rs.status(){"set":"config_rs","date":ISODate("2018-05-30T05:29:40.103Z"),"myState":1,"term":NumberLong(1),"configsvr":true,"heartbeatIntervalMillis":NumberLong(2000),"members":[{"_id":0,"name":"192.168.210.208:10000","health":1,"state":1,"stateStr":"PRIMARY","uptime":1114983,"optime":{"ts":Timestamp(1527658178,4),"t":NumberLong(1)},"optimeDate":ISODate("2018-05-30T05:29:38Z"),"electionTime":Timestamp(1526543249,2),"electionDate":ISODate("2018-05-17T07:47:29Z"),"configVersion":3,"self":true},{"_id":1,"name":"192.168.210.209:10000","health":1,"state":2,"stateStr":"SECONDARY","uptime":1113537,"optime":{"ts":Timestamp(1527658178,4),"t":NumberLong(1)},"optimeDate":ISODate("2018-05-30T05:29:38Z"),"lastHeartbeat":ISODate("2018-05-30T05:29:39.535Z"),"lastHeartbeatRecv":ISODate("2018-05-30T05:29:39.941Z"),"pingMs":NumberLong(0),"syncingTo":"192.168.210.208:10000","configVersion":3},{"_id":2,"name":"192.168.210.207:10000","health":1,"state":2,"stateStr":"SECONDARY","uptime":1588,"optime":{"ts":Timestamp(1527658178,4),"t":NumberLong(1)},"optimeDate":ISODate("2018-05-30T05:29:38Z"),"lastHeartbeat":ISODate("2018-05-30T05:29:39.535Z"),"lastHeartbeatRecv":ISODate("2018-05-30T05:29:39.691Z"),"pingMs":NumberLong(0),"syncingTo":"192.168.210.209:10000","configVersion":3}],"ok":1}

上述就是小编为大家分享的MongoDB中怎么修复config配置节点了，如果刚好有类似的疑惑，不妨参照上述分析进行理解。如果想知道更多相关知识，欢迎关注亿速云行业资讯频道。