MongoDB中怎么修复config配置节点-创新互联

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。

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修复流程如下：

1. # 登录到config库，查看config的节点状态

2. # 可以看到_id为2的节点状态是不可访问的

4. [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，欢迎关注创新互联-成都网站建设公司行业资讯频道。

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