MongoDB中怎么修复config配置节点-创新互联

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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

  3. [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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