环境说明：
主：192.168.31.200 端口：27017 从：192.168.31.200 端口：27018 从：192.168.31.200 端口：27019
mongodb介质下载
上传
[root@dcs01 ~]# ls -lrth /soft/montodb/ total 69M -rw-r--r-- 1 root root 69M Dec 9 16:51 mongodb-linux-x86_64-rhel70-6.0.3.tgz
检查MD5值
[root@dcs01 ~]# md5sum /soft/montodb/mongodb-linux-x86_64-rhel70-6.0.3.tgz 39d04009f64a939c3c457a706738f0db /soft/montodb/mongodb-linux-x86_64-rhel70-6.0.3.tgz
创建目录
mkdir /mongodb/{27017,27018,27019}/{dbms,data,log,conf} -p
[root@dcs01 ~]# tree /mongodb/
/mongodb/
├── 27017
│ ├── conf
│ ├── data
│ ├── dbms
│ └── log
├── 27018
│ ├── conf
│ ├── data
│ ├── dbms
│ └── log
└── 27019
├── conf
├── data
├── dbms
└── log
15 directories, 0 files
解压
[root@cjc-db-01 montodb]# tar -zxvf mongodb-linux-x86_64-rhel70-6.0.3.tgz mongodb-linux-x86_64-rhel70-6.0.3/LICENSE-Community.txt mongodb-linux-x86_64-rhel70-6.0.3/MPL-2 mongodb-linux-x86_64-rhel70-6.0.3/README mongodb-linux-x86_64-rhel70-6.0.3/THIRD-PARTY-NOTICES mongodb-linux-x86_64-rhel70-6.0.3/bin/install_compass mongodb-linux-x86_64-rhel70-6.0.3/bin/mongod mongodb-linux-x86_64-rhel70-6.0.3/bin/mongos
拷贝
[root@cjc-db-01 montodb]# cp -r mongodb-linux-x86_64-rhel70-6.0.3/* /mongodb/27017/dbms/ [root@cjc-db-01 montodb]# cp -r mongodb-linux-x86_64-rhel70-6.0.3/* /mongodb/27018/dbms/ [root@cjc-db-01 montodb]# cp -r mongodb-linux-x86_64-rhel70-6.0.3/* /mongodb/27019/dbms/
创建用户
[root@cjc-db-01 montodb]# useradd mongo [root@cjc-db-01 montodb]# passwd mongo [root@cjc-db-01 montodb]# id mongo uid=2002(mongo) gid=2002(mongo) groups=2002(mongo)
授权
[root@cjc-db-01 montodb]# chown mongo.mongo /mongodb -R
配置用户环境变量
[root@cjc-db-01 montodb]# su - mongo [mongo@cjc-db-01 ~]$ vi .bash_profile export MONGODB_HOME=/mongodb/27017/dbms/ #export MONGODB_HOME=/mongodb/27018/dbms/ #export MONGODB_HOME=/mongodb/27019/dbms/ export PATH=$PATH:$MONGODB_HOME/bin
准备配置文件
[mongo@cjc-db-01 ~]$ vi /mongodb/27017/conf/mongodb.conf dbpath=/mongodb/27017/data logpath=/mongodb/27017/log/mongodb.log logappend=true bind_ip = 0.0.0.0 fork = true port = 27017
启动数据库
[mongo@cjc-db-01 ~]$ mongod -config /mongodb/27017/conf/mongodb.conf
登录数据库
没有mongo命令，需要下载mongoshell工具
[mongo@cjc-db-01 ~]$ mongo bash: mongo: command not found...
下载mongoshell
[root@cjc-db-01 montodb]# ls -lrht mongosh-1.6.1-linux-x64.tgz -rw-r--r-- 1 root root 57M Dec 9 17:49 mongosh-1.6.1-linux-x64.tgz
检查md5值
[root@cjc-db-01 montodb]# md5sum mongosh-1.6.1-linux-x64.tgz 8f66bb1f47531d9fc798af866c044bba mongosh-1.6.1-linux-x64.tgz
解压
[root@cjc-db-01 montodb]# tar -zxvf mongosh-1.6.1-linux-x64.tgz [root@cjc-db-01 montodb]# mv mongosh-1.6.1-linux-x64/* /mongodb/mongosh/ [root@cjc-db-01 montodb]# chown mongo.mongo /mongodb -R
添加环境变量
[mongo@cjc-db-01 ~]$ vi .bash_profile export MONGODB_HOME=/mongodb/27017/dbms export MONGOSH_HOME=/mongodb/mongosh #export MONGODB_HOME=/mongodb/27018/dbms/ #export MONGODB_HOME=/mongodb/27019/dbms/ export PATH=$PATH:$MONGODB_HOME/bin:$MONGOSH_HOME/bin [mongo@cjc-db-01 ~]$ source .bash_profile
再次登录数据库
mongosh "mongodb://ip:port" mongosh ip:port/数据库 -u 用户名 -p 密码 mongosh -u 用户名 -p 密码 --port 端口号 --host ip 数据库名
[mongo@cjc-db-01 ~]$ ls /mongodb/mongosh/bin/ mongosh mongosh_crypt_v1.so [mongo@cjc-db-01 ~]$ vi .bash_profile [mongo@cjc-db-01 ~]$ source .bash_profile [mongo@cjc-db-01 ~]$ mongosh --port 27017 Current Mongosh Log ID:639305da87453024db5129bd Connecting to:mongodb://127.0.0.1:27017/?directConnection=true&serverSelectionTimeoutMS=2000&appName=mongosh+1.6.1 Using MongoDB:6.0.3 Using Mongosh:1.6.1 For mongosh info see: To help improve our products, anonymous usage data is collected and sent to MongoDB periodically (). You can opt-out by running the disableTelemetry() command. ------ The server generated these startup warnings when booting 2022-12-09T17:21:24.329+08:00: Access control is not enabled for the database. Read and write access to data and configuration is unrestricted 2022-12-09T17:21:24.329+08:00: /sys/kernel/mm/transparent_hugepage/enabled is 'always'. We suggest setting it to 'never' 2022-12-09T17:21:24.329+08:00: vm.max_map_count is too low ------ ------ Enable MongoDB's free cloud-based monitoring service, which will then receive and display metrics about your deployment (disk utilization, CPU, operation statistics, etc). The monitoring data will be available on a MongoDB website with a unique URL accessible to you and anyone you share the URL with. MongoDB may use this information to make product improvements and to suggest MongoDB products and deployment options to you. To enable free monitoring, run the following command: db.enableFreeMonitoring() To permanently disable this reminder, run the following command: db.disableFreeMonitoring() ------ test> show dbs; admin 40.00 KiB config 12.00 KiB local 40.00 KiB
插入测试数据
cjc> db.t01.insert({"tname":"cjc"})
DeprecationWarning: Collection.insert() is deprecated. Use insertOne, insertMany, or bulkWrite.
{
acknowledged: true,
insertedIds: { '0': ObjectId("6393063ca39bb9bd2b389670") }
}
cjc> db.t01.find()
[ { _id: ObjectId("6393063ca39bb9bd2b389670"), tname: 'cjc' } ]
关闭数据库
cjc> db.shutdownServer(); MongoNetworkError: connection 6 to 127.0.0.1:27017 closed
启动所有节点数据库
mongod -config /mongodb/27017/conf/mongodb.conf mongod -config /mongodb/27018/conf/mongodb.conf mongod -config /mongodb/27019/conf/mongodb.conf
查看进程
[mongo@cjc-db-01 mongodb]$ ps -ef|grep mongod|grep -v grep mongo 2198 1 1 09:01 ? 00:00:07 mongod -config /mongodb/27017/conf/mongodb.conf mongo 3158 1 6 09:12 ? 00:00:00 mongod -config /mongodb/27018/conf/mongodb.conf mongo 3200 1 9 09:13 ? 00:00:00 mongod -config /mongodb/27019/conf/mongodb.conf
删除多余的数据库
test> use cjc
switched to db cjc
cjc> db.dropDatabase()
{ ok: 1, dropped: 'cjc' }
配置副本集
登录任一节点
mongosh --port 27017
配置副本集
配置文件添加参数
[mongo@cjc-db-01 ~]$ vi /mongodb/27017/conf/mongodb.conf [mongo@cjc-db-01 ~]$ vi /mongodb/27018/conf/mongodb.conf [mongo@cjc-db-01 ~]$ vi /mongodb/27019/conf/mongodb.conf replSet=cjcmonset
创建副本集
test> rs.initiate( { _id : "cjcmonset", members: [ { _id: 0, host: "192.168.31.200:27017" }, { _id: 1, host: "192.168.31.200:27018" }, { _id: 2, host: "192.168.31.200:27019" } ]})
查看副本集配置
cjcmonset [direct: other] test> rs.conf()
{
_id: 'cjcmonset',
version: 1,
term: 1,
members: [
{
_id: 0,
host: '192.168.31.200:27017',
arbiterOnly: false,
buildIndexes: true,
hidden: false,
priority: 1,
tags: {},
secondaryDelaySecs: Long("0"),
votes: 1
},
{
_id: 1,
host: '192.168.31.200:27018',
arbiterOnly: false,
buildIndexes: true,
hidden: false,
priority: 1,
tags: {},
secondaryDelaySecs: Long("0"),
votes: 1
},
{
_id: 2,
host: '192.168.31.200:27019',
arbiterOnly: false,
buildIndexes: true,
hidden: false,
priority: 1,
tags: {},
secondaryDelaySecs: Long("0"),
votes: 1
}
],
protocolVersion: Long("1"),
writeConcernMajorityJournalDefault: true,
settings: {
chainingAllowed: true,
heartbeatIntervalMillis: 2000,
heartbeatTimeoutSecs: 10,
electionTimeoutMillis: 10000,
catchUpTimeoutMillis: -1,
catchUpTakeoverDelayMillis: 30000,
getLastErrorModes: {},
getLastErrorDefaults: { w: 1, wtimeout: 0 },
replicaSetId: ObjectId("63a111fd0e30878fbeca3b6b")
}
}
cjcmonset [direct: primary] test>
查看副本集状态
cjcmonset [direct: primary] test> rs.status()
{
set: 'cjcmonset',
date: ISODate("2022-12-20T01:40:36.443Z"),
myState: 1,
term: Long("1"),
syncSourceHost: '',
syncSourceId: -1,
heartbeatIntervalMillis: Long("2000"),
majorityVoteCount: 2,
writeMajorityCount: 2,
votingMembersCount: 3,
writableVotingMembersCount: 3,
optimes: {
lastCommittedOpTime: { ts: Timestamp({ t: 1671500427, i: 1 }), t: Long("1") },
lastCommittedWallTime: ISODate("2022-12-20T01:40:27.265Z"),
readConcernMajorityOpTime: { ts: Timestamp({ t: 1671500427, i: 1 }), t: Long("1") },
appliedOpTime: { ts: Timestamp({ t: 1671500427, i: 1 }), t: Long("1") },
durableOpTime: { ts: Timestamp({ t: 1671500427, i: 1 }), t: Long("1") },
lastAppliedWallTime: ISODate("2022-12-20T01:40:27.265Z"),
lastDurableWallTime: ISODate("2022-12-20T01:40:27.265Z")
},
lastStableRecoveryTimestamp: Timestamp({ t: 1671500397, i: 1 }),
electionCandidateMetrics: {
lastElectionReason: 'electionTimeout',
lastElectionDate: ISODate("2022-12-20T01:38:16.879Z"),
electionTerm: Long("1"),
lastCommittedOpTimeAtElection: { ts: Timestamp({ t: 1671500285, i: 1 }), t: Long("-1") },
lastSeenOpTimeAtElection: { ts: Timestamp({ t: 1671500285, i: 1 }), t: Long("-1") },
numVotesNeeded: 2,
priorityAtElection: 1,
electionTimeoutMillis: Long("10000"),
numCatchUpOps: Long("0"),
newTermStartDate: ISODate("2022-12-20T01:38:17.119Z"),
wMajorityWriteAvailabilityDate: ISODate("2022-12-20T01:38:18.561Z")
},
members: [
{
_id: 0,
name: '192.168.31.200:27017',
health: 1,
state: 1,
stateStr: 'PRIMARY',
uptime: 792,
optime: { ts: Timestamp({ t: 1671500427, i: 1 }), t: Long("1") },
optimeDate: ISODate("2022-12-20T01:40:27.000Z"),
lastAppliedWallTime: ISODate("2022-12-20T01:40:27.265Z"),
lastDurableWallTime: ISODate("2022-12-20T01:40:27.265Z"),
syncSourceHost: '',
syncSourceId: -1,
infoMessage: '',
electionTime: Timestamp({ t: 1671500296, i: 1 }),
electionDate: ISODate("2022-12-20T01:38:16.000Z"),
configVersion: 1,
configTerm: 1,
self: true,
lastHeartbeatMessage: ''
},
{
_id: 1,
name: '192.168.31.200:27018',
health: 1,
state: 2,
stateStr: 'SECONDARY',
uptime: 150,
optime: { ts: Timestamp({ t: 1671500427, i: 1 }), t: Long("1") },
optimeDurable: { ts: Timestamp({ t: 1671500427, i: 1 }), t: Long("1") },
optimeDate: ISODate("2022-12-20T01:40:27.000Z"),
optimeDurableDate: ISODate("2022-12-20T01:40:27.000Z"),
lastAppliedWallTime: ISODate("2022-12-20T01:40:27.265Z"),
lastDurableWallTime: ISODate("2022-12-20T01:40:27.265Z"),
lastHeartbeat: ISODate("2022-12-20T01:40:35.270Z"),
lastHeartbeatRecv: ISODate("2022-12-20T01:40:34.639Z"),
pingMs: Long("0"),
lastHeartbeatMessage: '',
syncSourceHost: '192.168.31.200:27017',
syncSourceId: 0,
infoMessage: '',
configVersion: 1,
configTerm: 1
},
{
_id: 2,
name: '192.168.31.200:27019',
health: 1,
state: 2,
stateStr: 'SECONDARY',
uptime: 150,
optime: { ts: Timestamp({ t: 1671500427, i: 1 }), t: Long("1") },
optimeDurable: { ts: Timestamp({ t: 1671500427, i: 1 }), t: Long("1") },
optimeDate: ISODate("2022-12-20T01:40:27.000Z"),
optimeDurableDate: ISODate("2022-12-20T01:40:27.000Z"),
lastAppliedWallTime: ISODate("2022-12-20T01:40:27.265Z"),
lastDurableWallTime: ISODate("2022-12-20T01:40:27.265Z"),
lastHeartbeat: ISODate("2022-12-20T01:40:35.267Z"),
lastHeartbeatRecv: ISODate("2022-12-20T01:40:34.638Z"),
pingMs: Long("0"),
lastHeartbeatMessage: '',
syncSourceHost: '192.168.31.200:27017',
syncSourceId: 0,
infoMessage: '',
configVersion: 1,
configTerm: 1
}
],
ok: 1,
'$clusterTime': {
clusterTime: Timestamp({ t: 1671500427, i: 1 }),
signature: {
hash: Binary(Buffer.from("0000000000000000000000000000000000000000", "hex"), 0),
keyId: Long("0")
}
},
operationTime: Timestamp({ t: 1671500427, i: 1 })
}
数据写入测试
cjcmonset [direct: primary] test> use cjc
cjc> db.t01.insert({"tname":"cjc"})
cjc> db.t01.find()
查看其他节点
[mongo@cjc-db-01 mongodb]$ mongosh --port 27018 cjcmonset [direct: secondary] test> use cjc switched to db cjc cjcmonset [direct: secondary] cjc> db.t01.find() MongoServerError: not primary and secondaryOk=false - consider using db.getMongo().setReadPref() or readPreference in the connection string
[mongo@cjc-db-01 mongodb]$ mongosh --port 27019 cjcmonset [direct: secondary] cjc> db.t01.find() MongoServerError: not primary and secondaryOk=false - consider using db.getMongo().setReadPref() or readPreference in the connection string
cjcmonset [direct: secondary] cjc> db.getMongo().setSlaveOk(); MongoshDeprecatedError: [COMMON-10003] Setting slaveOk is deprecated, use setReadPref instead.
设置副本集可以从secondary读取数据
cjcmonset [direct: secondary] cjc> db.getMongo().setReadPref("secondary")
cjcmonset [direct: secondary] cjc> db.t01.find()
[ { _id: ObjectId("63a113836be69aceb7e1ae9b"), tname: 'cjc' } ]
主从切换
登录主库
[mongo@cjc-db-01 mongodb]$ mongosh --port 27017
停主库
cjcmonset [direct: primary] test> db.shutdownServer(); MongoNetworkError: connection 1 to 127.0.0.1:27017 closed
检查当前主库
可以看到原主库27017故障后，primary切换到27018节点。
[mongo@cjc-db-01 mongodb]$ mongosh --port 27018
cjcmonset [direct: primary] test> rs.status();
{
set: 'cjcmonset',
date: ISODate("2022-12-20T02:15:33.806Z"),
myState: 1,
term: Long("2"),
syncSourceHost: '',
syncSourceId: -1,
heartbeatIntervalMillis: Long("2000"),
majorityVoteCount: 2,
writeMajorityCount: 2,
votingMembersCount: 3,
writableVotingMembersCount: 3,
optimes: {
lastCommittedOpTime: { ts: Timestamp({ t: 1671502526, i: 1 }), t: Long("2") },
lastCommittedWallTime: ISODate("2022-12-20T02:15:26.248Z"),
readConcernMajorityOpTime: { ts: Timestamp({ t: 1671502526, i: 1 }), t: Long("2") },
appliedOpTime: { ts: Timestamp({ t: 1671502526, i: 1 }), t: Long("2") },
durableOpTime: { ts: Timestamp({ t: 1671502526, i: 1 }), t: Long("2") },
lastAppliedWallTime: ISODate("2022-12-20T02:15:26.248Z"),
lastDurableWallTime: ISODate("2022-12-20T02:15:26.248Z")
},
lastStableRecoveryTimestamp: Timestamp({ t: 1671502516, i: 1 }),
electionCandidateMetrics: {
lastElectionReason: 'stepUpRequestSkipDryRun',
lastElectionDate: ISODate("2022-12-20T02:14:36.145Z"),
electionTerm: Long("2"),
lastCommittedOpTimeAtElection: { ts: Timestamp({ t: 1671502467, i: 1 }), t: Long("1") },
lastSeenOpTimeAtElection: { ts: Timestamp({ t: 1671502467, i: 1 }), t: Long("1") },
numVotesNeeded: 2,
priorityAtElection: 1,
electionTimeoutMillis: Long("10000"),
priorPrimaryMemberId: 0,
numCatchUpOps: Long("0"),
newTermStartDate: ISODate("2022-12-20T02:14:36.240Z"),
wMajorityWriteAvailabilityDate: ISODate("2022-12-20T02:14:37.176Z")
},
electionParticipantMetrics: {
votedForCandidate: true,
electionTerm: Long("1"),
lastVoteDate: ISODate("2022-12-20T01:38:16.912Z"),
electionCandidateMemberId: 0,
voteReason: '',
lastAppliedOpTimeAtElection: { ts: Timestamp({ t: 1671500285, i: 1 }), t: Long("-1") },
maxAppliedOpTimeInSet: { ts: Timestamp({ t: 1671500285, i: 1 }), t: Long("-1") },
priorityAtElection: 1
},
members: [
{
_id: 0,
name: '192.168.31.200:27017',
health: 0,
state: 8,
stateStr: '(not reachable/healthy)',
uptime: 0,
optime: { ts: Timestamp({ t: 0, i: 0 }), t: Long("-1") },
optimeDurable: { ts: Timestamp({ t: 0, i: 0 }), t: Long("-1") },
optimeDate: ISODate("1970-01-01T00:00:00.000Z"),
optimeDurableDate: ISODate("1970-01-01T00:00:00.000Z"),
lastAppliedWallTime: ISODate("2022-12-20T02:14:46.243Z"),
lastDurableWallTime: ISODate("2022-12-20T02:14:46.243Z"),
lastHeartbeat: ISODate("2022-12-20T02:15:32.419Z"),
lastHeartbeatRecv: ISODate("2022-12-20T02:14:49.286Z"),
pingMs: Long("0"),
lastHeartbeatMessage: 'Error connecting to 192.168.31.200:27017 :: caused by :: Connection refused',
syncSourceHost: '',
syncSourceId: -1,
infoMessage: '',
configVersion: 1,
configTerm: 1
},
{
_id: 1,
name: '192.168.31.200:27018',
health: 1,
state: 1,
stateStr: 'PRIMARY',
uptime: 2883,
optime: { ts: Timestamp({ t: 1671502526, i: 1 }), t: Long("2") },
optimeDate: ISODate("2022-12-20T02:15:26.000Z"),
lastAppliedWallTime: ISODate("2022-12-20T02:15:26.248Z"),
lastDurableWallTime: ISODate("2022-12-20T02:15:26.248Z"),
syncSourceHost: '',
syncSourceId: -1,
infoMessage: '',
electionTime: Timestamp({ t: 1671502476, i: 1 }),
electionDate: ISODate("2022-12-20T02:14:36.000Z"),
configVersion: 1,
configTerm: 2,
self: true,
lastHeartbeatMessage: ''
},
{
_id: 2,
name: '192.168.31.200:27019',
health: 1,
state: 2,
stateStr: 'SECONDARY',
uptime: 2247,
optime: { ts: Timestamp({ t: 1671502526, i: 1 }), t: Long("2") },
optimeDurable: { ts: Timestamp({ t: 1671502526, i: 1 }), t: Long("2") },
optimeDate: ISODate("2022-12-20T02:15:26.000Z"),
optimeDurableDate: ISODate("2022-12-20T02:15:26.000Z"),
lastAppliedWallTime: ISODate("2022-12-20T02:15:26.248Z"),
lastDurableWallTime: ISODate("2022-12-20T02:15:26.248Z"),
lastHeartbeat: ISODate("2022-12-20T02:15:32.305Z"),
lastHeartbeatRecv: ISODate("2022-12-20T02:15:33.355Z"),
pingMs: Long("0"),
lastHeartbeatMessage: '',
syncSourceHost: '192.168.31.200:27018',
syncSourceId: 1,
infoMessage: '',
configVersion: 1,
configTerm: 2
}
],
ok: 1,
'$clusterTime': {
clusterTime: Timestamp({ t: 1671502526, i: 1 }),
signature: {
hash: Binary(Buffer.from("0000000000000000000000000000000000000000", "hex"), 0),
keyId: Long("0")
}
},
operationTime: Timestamp({ t: 1671502526, i: 1 })
}
cjcmonset [direct: primary] test>
新增测试数据
cjc> db.t01.insert({"txx":"abc"})
cjcmonset [direct: primary] cjc> db.t01.find()
[
{ _id: ObjectId("63a113836be69aceb7e1ae9b"), tname: 'cjc' },
{ _id: ObjectId("63a1217973fc637ac59b96f0"), txx: 'abc' }
]
继续停主库
[mongo@cjc-db-01 mongodb]$ mongosh --port 27018 cjcmonset [direct: primary] test> db.shutdownServer();
[mongo@cjc-db-01 mongodb]$ mongosh --port 27019
cjcmonset [direct: secondary] test> rs.status()
{
set: 'cjcmonset',
date: ISODate("2022-12-20T03:01:49.481Z"),
myState: 2,
term: Long("3"),
syncSourceHost: '',
syncSourceId: -1,
heartbeatIntervalMillis: Long("2000"),
majorityVoteCount: 2,
writeMajorityCount: 2,
votingMembersCount: 3,
writableVotingMembersCount: 3,
optimes: {
lastCommittedOpTime: { ts: Timestamp({ t: 1671504345, i: 1 }), t: Long("3") },
lastCommittedWallTime: ISODate("2022-12-20T02:45:45.661Z"),
readConcernMajorityOpTime: { ts: Timestamp({ t: 1671504345, i: 1 }), t: Long("3") },
appliedOpTime: { ts: Timestamp({ t: 1671504355, i: 1 }), t: Long("3") },
durableOpTime: { ts: Timestamp({ t: 1671504355, i: 1 }), t: Long("3") },
lastAppliedWallTime: ISODate("2022-12-20T02:45:55.661Z"),
lastDurableWallTime: ISODate("2022-12-20T02:45:55.661Z")
},
lastStableRecoveryTimestamp: Timestamp({ t: 1671504345, i: 1 }),
electionParticipantMetrics: {
votedForCandidate: true,
electionTerm: Long("2"),
lastVoteDate: ISODate("2022-12-20T02:14:36.224Z"),
electionCandidateMemberId: 1,
voteReason: '',
lastAppliedOpTimeAtElection: { ts: Timestamp({ t: 1671502467, i: 1 }), t: Long("1") },
maxAppliedOpTimeInSet: { ts: Timestamp({ t: 1671502467, i: 1 }), t: Long("1") },
priorityAtElection: 1
},
members: [
{
_id: 0,
name: '192.168.31.200:27017',
health: 0,
state: 8,
stateStr: '(not reachable/healthy)',
uptime: 0,
optime: { ts: Timestamp({ t: 0, i: 0 }), t: Long("-1") },
optimeDurable: { ts: Timestamp({ t: 0, i: 0 }), t: Long("-1") },
optimeDate: ISODate("1970-01-01T00:00:00.000Z"),
optimeDurableDate: ISODate("1970-01-01T00:00:00.000Z"),
lastAppliedWallTime: ISODate("2022-12-20T02:14:46.243Z"),
lastDurableWallTime: ISODate("2022-12-20T02:14:46.243Z"),
lastHeartbeat: ISODate("2022-12-20T03:01:49.143Z"),
lastHeartbeatRecv: ISODate("2022-12-20T02:14:49.286Z"),
pingMs: Long("0"),
lastHeartbeatMessage: 'Error connecting to 192.168.31.200:27017 :: caused by :: Connection refused',
syncSourceHost: '',
syncSourceId: -1,
infoMessage: '',
configVersion: 1,
configTerm: 2
},
{
_id: 1,
name: '192.168.31.200:27018',
health: 0,
state: 8,
stateStr: '(not reachable/healthy)',
uptime: 0,
optime: { ts: Timestamp({ t: 0, i: 0 }), t: Long("-1") },
optimeDurable: { ts: Timestamp({ t: 0, i: 0 }), t: Long("-1") },
optimeDate: ISODate("1970-01-01T00:00:00.000Z"),
optimeDurableDate: ISODate("1970-01-01T00:00:00.000Z"),
lastAppliedWallTime: ISODate("2022-12-20T02:45:45.661Z"),
lastDurableWallTime: ISODate("2022-12-20T02:45:45.661Z"),
lastHeartbeat: ISODate("2022-12-20T03:01:49.143Z"),
lastHeartbeatRecv: ISODate("2022-12-20T02:45:48.697Z"),
pingMs: Long("0"),
lastHeartbeatMessage: 'Error connecting to 192.168.31.200:27018 :: caused by :: Connection refused',
syncSourceHost: '',
syncSourceId: -1,
infoMessage: '',
configVersion: 1,
configTerm: 3
},
{
_id: 2,
name: '192.168.31.200:27019',
health: 1,
state: 2,
stateStr: 'SECONDARY',
uptime: 5653,
optime: { ts: Timestamp({ t: 1671504355, i: 1 }), t: Long("3") },
optimeDate: ISODate("2022-12-20T02:45:55.000Z"),
lastAppliedWallTime: ISODate("2022-12-20T02:45:55.661Z"),
lastDurableWallTime: ISODate("2022-12-20T02:45:55.661Z"),
syncSourceHost: '',
syncSourceId: -1,
infoMessage: 'Could not find member to sync from',
configVersion: 1,
configTerm: 3,
self: true,
lastHeartbeatMessage: ''
}
],
ok: 1,
'$clusterTime': {
clusterTime: Timestamp({ t: 1671504355, i: 1 }),
signature: {
hash: Binary(Buffer.from("0000000000000000000000000000000000000000", "hex"), 0),
keyId: Long("0")
}
},
operationTime: Timestamp({ t: 1671504355, i: 1 })
}
cjcmonset [direct: secondary] test>
插入数据
cjcmonset [direct: secondary] test> use cjc
switched to db cjc
cjcmonset [direct: secondary] cjc> db.t01.insert({"aaa":"ccc"})
DeprecationWarning: Collection.insert() is deprecated. Use insertOne, insertMany, or bulkWrite.
Uncaught:
MongoBulkWriteError: not primary
Result: BulkWriteResult {
result: {
ok: 1,
writeErrors: [],
writeConcernErrors: [],
insertedIds: [ { index: 0, _id: ObjectId("63a126025f708e296b832629") } ],
nInserted: 0,
nUpserted: 0,
nMatched: 0,
nModified: 0,
nRemoved: 0,
upserted: []
}
}
查看
cjcmonset [direct: secondary] cjc> db.getMongo().setReadPref("secondary")
cjcmonset [direct: secondary] cjc> db.t01.find()
[
{ _id: ObjectId("63a113836be69aceb7e1ae9b"), tname: 'cjc' },
{ _id: ObjectId("63a1217973fc637ac59b96f0"), txx: 'abc' }
]
启动
[mongo@cjc-db-01 mongodb]$ mongod -config /mongodb/27017/conf/mongodb.conf [mongo@cjc-db-01 mongodb]$ mongod -config /mongodb/27018/conf/mongodb.conf
27019变成新主库
[mongo@cjc-db-01 mongodb]$ mongosh --port 27019
cjcmonset [direct: primary] test> rs.status();
{
set: 'cjcmonset',
date: ISODate("2022-12-20T03:06:08.740Z"),
myState: 1,
term: Long("4"),
syncSourceHost: '',
syncSourceId: -1,
heartbeatIntervalMillis: Long("2000"),
majorityVoteCount: 2,
writeMajorityCount: 2,
votingMembersCount: 3,
writableVotingMembersCount: 3,
optimes: {
lastCommittedOpTime: { ts: Timestamp({ t: 1671505563, i: 1 }), t: Long("4") },
lastCommittedWallTime: ISODate("2022-12-20T03:06:03.084Z"),
readConcernMajorityOpTime: { ts: Timestamp({ t: 1671505563, i: 1 }), t: Long("4") },
appliedOpTime: { ts: Timestamp({ t: 1671505563, i: 1 }), t: Long("4") },
durableOpTime: { ts: Timestamp({ t: 1671505563, i: 1 }), t: Long("4") },
lastAppliedWallTime: ISODate("2022-12-20T03:06:03.084Z"),
lastDurableWallTime: ISODate("2022-12-20T03:06:03.084Z")
},
lastStableRecoveryTimestamp: Timestamp({ t: 1671505523, i: 1 }),
electionCandidateMetrics: {
lastElectionReason: 'electionTimeout',
lastElectionDate: ISODate("2022-12-20T03:04:53.017Z"),
electionTerm: Long("4"),
lastCommittedOpTimeAtElection: { ts: Timestamp({ t: 1671504345, i: 1 }), t: Long("3") },
lastSeenOpTimeAtElection: { ts: Timestamp({ t: 1671504355, i: 1 }), t: Long("3") },
numVotesNeeded: 2,
priorityAtElection: 1,
electionTimeoutMillis: Long("10000"),
numCatchUpOps: Long("0"),
newTermStartDate: ISODate("2022-12-20T03:04:53.059Z"),
wMajorityWriteAvailabilityDate: ISODate("2022-12-20T03:04:53.679Z")
},
electionParticipantMetrics: {
votedForCandidate: true,
electionTerm: Long("2"),
lastVoteDate: ISODate("2022-12-20T02:14:36.224Z"),
electionCandidateMemberId: 1,
voteReason: '',
lastAppliedOpTimeAtElection: { ts: Timestamp({ t: 1671502467, i: 1 }), t: Long("1") },
maxAppliedOpTimeInSet: { ts: Timestamp({ t: 1671502467, i: 1 }), t: Long("1") },
priorityAtElection: 1
},
members: [
{
_id: 0,
name: '192.168.31.200:27017',
health: 1,
state: 2,
stateStr: 'SECONDARY',
uptime: 81,
optime: { ts: Timestamp({ t: 1671505563, i: 1 }), t: Long("4") },
optimeDurable: { ts: Timestamp({ t: 1671505563, i: 1 }), t: Long("4") },
optimeDate: ISODate("2022-12-20T03:06:03.000Z"),
optimeDurableDate: ISODate("2022-12-20T03:06:03.000Z"),
lastAppliedWallTime: ISODate("2022-12-20T03:06:03.084Z"),
lastDurableWallTime: ISODate("2022-12-20T03:06:03.084Z"),
lastHeartbeat: ISODate("2022-12-20T03:06:07.159Z"),
lastHeartbeatRecv: ISODate("2022-12-20T03:06:08.167Z"),
pingMs: Long("0"),
lastHeartbeatMessage: '',
syncSourceHost: '192.168.31.200:27019',
syncSourceId: 2,
infoMessage: '',
configVersion: 1,
configTerm: 4
},
{
_id: 1,
name: '192.168.31.200:27018',
health: 1,
state: 2,
stateStr: 'SECONDARY',
uptime: 76,
optime: { ts: Timestamp({ t: 1671505563, i: 1 }), t: Long("4") },
optimeDurable: { ts: Timestamp({ t: 1671505563, i: 1 }), t: Long("4") },
optimeDate: ISODate("2022-12-20T03:06:03.000Z"),
optimeDurableDate: ISODate("2022-12-20T03:06:03.000Z"),
lastAppliedWallTime: ISODate("2022-12-20T03:06:03.084Z"),
lastDurableWallTime: ISODate("2022-12-20T03:06:03.084Z"),
lastHeartbeat: ISODate("2022-12-20T03:06:07.159Z"),
lastHeartbeatRecv: ISODate("2022-12-20T03:06:08.166Z"),
pingMs: Long("0"),
lastHeartbeatMessage: '',
syncSourceHost: '192.168.31.200:27019',
syncSourceId: 2,
infoMessage: '',
configVersion: 1,
configTerm: 4
},
{
_id: 2,
name: '192.168.31.200:27019',
health: 1,
state: 1,
stateStr: 'PRIMARY',
uptime: 5912,
optime: { ts: Timestamp({ t: 1671505563, i: 1 }), t: Long("4") },
optimeDate: ISODate("2022-12-20T03:06:03.000Z"),
lastAppliedWallTime: ISODate("2022-12-20T03:06:03.084Z"),
lastDurableWallTime: ISODate("2022-12-20T03:06:03.084Z"),
syncSourceHost: '',
syncSourceId: -1,
infoMessage: '',
electionTime: Timestamp({ t: 1671505493, i: 1 }),
electionDate: ISODate("2022-12-20T03:04:53.000Z"),
configVersion: 1,
configTerm: 4,
self: true,
lastHeartbeatMessage: ''
}
],
ok: 1,
'$clusterTime': {
clusterTime: Timestamp({ t: 1671505563, i: 1 }),
signature: {
hash: Binary(Buffer.from("0000000000000000000000000000000000000000", "hex"), 0),
keyId: Long("0")
}
},
operationTime: Timestamp({ t: 1671505563, i: 1 })
}
cjcmonset [direct: primary] test>
插入数据测试
cjcmonset [direct: primary] cjc> db.t01.insert({"aaa":"ccc"})
DeprecationWarning: Collection.insert() is deprecated. Use insertOne, insertMany, or bulkWrite.
{
acknowledged: true,
insertedIds: { '0': ObjectId("63a126e5406e8620614e4fd5") }
}
cjcmonset [direct: primary] cjc> db.t01.find()
[
{ _id: ObjectId("63a113836be69aceb7e1ae9b"), tname: 'cjc' },
{ _id: ObjectId("63a1217973fc637ac59b96f0"), txx: 'abc' },
{ _id: ObjectId("63a126e5406e8620614e4fd5"), aaa: 'ccc' }
]
查看数据库版本
cjcmonset [direct: primary] admin> db.version() 6.0.3
查看帮助信息
cjcmonset [direct: primary] admin> rs.help() Replica Set Class: initiate Initiates the replica set. config Returns a document that contains the current replica set configuration. conf Calls replSetConfig reconfig Reconfigures an existing replica set, overwriting the existing replica set configuration. reconfigForPSASet Reconfigures an existing replica set, overwriting the existing replica set configuration, if the reconfiguration is a transition from a Primary-Arbiter to a Primary-Secondary-Arbiter set. status Calls replSetGetStatus isMaster Calls isMaster hello Calls hello printSecondaryReplicationInfo Calls db.printSecondaryReplicationInfo printSlaveReplicationInfo DEPRECATED. Use rs.printSecondaryReplicationInfo printReplicationInfo Calls db.printReplicationInfo add Adds replica set member to replica set. addArb Calls rs.add with arbiterOnly=true remove Removes a replica set member. freeze Prevents the current member from seeking election as primary for a period of time. Uses the replSetFreeze command stepDown Causes the current primary to become a secondary which forces an election. If no stepDownSecs is provided, uses 60 seconds. Uses the replSetStepDown command syncFrom Sets the member that this replica set member will sync from, overriding the default sync target selection logic. secondaryOk This method is deprecated. Use db.getMongo().setReadPref() instead For more information on usage:
###chenjuchao 20221220 14:30###