mongodb副本集模式的单机修改ip(update方式)

东南风 / 2023-08-09 / 原文

环境:
OS:Centos 7
mongodb:4.4.22

1.停掉当前运行的mongodb
/usr/local/services/mongodb/bin/mongo localhost:29001
use admin
db.shutdownServer()

2.网络层面修改ip地址
[root@localhost network-scripts]# service network restart

3.修改参数
修改配置文件,注释掉副本集参数和修改bind_ip参数
vi /home/middle/mongodb/conf/mongo.cnf
##replSet=s1
bind_ip=192.168.1.108,127.0.0.1

4.启动mongodb
[root@localhost ~]# /usr/local/services/mongodb/bin/mongod -f /home/middle/mongodb/conf/mongo.cnf

5.更新db.system.replset表

/usr/local/services/mongodb/bin/mongo 192.168.1.108:29001
use local
cfg = db.system.replset.findOne({_id: 's1'})
cfg.members[0].host = "192.168.1.108:29001"
db.system.replset.update({_id: 's1'}, cfg)
db.system.replset.find()

6.关闭mongodb
/usr/local/services/mongodb/bin/mongo localhost:29001
use admin
db.shutdownServer()

7.修改参数后启动
vi /home/middle/mongodb/conf/mongo.cnf
replSet=s1

启动
[root@localhost ~]# /usr/local/services/mongodb/bin/mongod -f /home/middle/mongodb/conf/mongo.cnf

8.登录查看

/usr/local/services/mongodb/bin/mongo 192.168.1.108:29001

s1:PRIMARY> rs.conf()
{
        "_id" : "s1",
        "version" : 56419,
        "protocolVersion" : NumberLong(1),
        "writeConcernMajorityJournalDefault" : true,
        "members" : [
                {
                        "_id" : 0,
                        "host" : "192.168.1.108:29001",
                        "arbiterOnly" : false,
                        "buildIndexes" : true,
                        "hidden" : false,
                        "priority" : 1,
                        "tags" : {

                        },
                        "slaveDelay" : NumberLong(0),
                        "votes" : 1
                }
        ],
        "settings" : {
                "chainingAllowed" : true,
                "heartbeatIntervalMillis" : 2000,
                "heartbeatTimeoutSecs" : 10,
                "electionTimeoutMillis" : 10000,
                "catchUpTimeoutMillis" : -1,
                "catchUpTakeoverDelayMillis" : 30000,
                "getLastErrorModes" : {

                },
                "getLastErrorDefaults" : {
                        "w" : 1,
                        "wtimeout" : 0
                },
                "replicaSetId" : ObjectId("64d20b9a0dd2e7e36110962a")
        }
}