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。
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