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 --port 10000 MongoDB shell version: 3.2.10 connecting to: 127.0.0.1:10000/test config_rs:PRIMARY> use admin switched to db admin config_rs:PRIMARY> db.auth("root", "xxx") 1 config_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" : "(not reachable/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" : "Connection refused", "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-207 opt]# tar xfz mongodb-linux-x86_64-3.2.10.tgz [root@tomcat-207 opt]# mkdir -p /data/mongodb_data/config_rs1_10000 # 配置参数文件 [root@tomcat-207 opt]# cat /etc/mongodb/config_rs1_10000.conf systemLog: destination: file path: /data/mongodb_data/config_rs1_10000/mongod.log processManagement: fork: true net: bindIp: 0.0.0.0 port: 10000 security: keyFile: /data/mongodb_data/keyfile storage: dbPath: /data/mongodb_data/config_rs1_10000 directoryPerDB: true operationProfiling: slowOpThresholdMs: 100 mode: slowOp replication: replSetName: config_rs sharding: clusterRole: configsvr # 从其他config节点拷贝过来keyfile文件 [root@mongos-mq opt]# scp /data/mongodb_data/keyfile root@192.168.210.207:/data/mongodb_data/ # 启动Mongo [root@mongos-mq opt]# /opt/mongodb-linux-x86_64-3.2.10/bin/mongod -f /etc/mongodb/config_rs1_10000.conf about to fork child process, waiting until server is ready for connections. forked process: 3744 child process started successfully, parent exiting # 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。
