[root@wallet01 ~]# vim /etc/mongod.conf
replication:
replSetName: "rs01"
oplogSizeMB: 2048
[root@wallet01 ~]# systemctl restart mongod
[root@wallet02 ~]# vim /etc/mongod.conf
replication:
replSetName: "rs01"
oplogSizeMB: 2048
[root@wallet02 ~]# systemctl restart mongod
[root@wallet03 ~]# vim /etc/mongod.conf
replication:
replSetName: "rs01"
oplogSizeMB: 2048
[root@wallet03 ~]# systemctl restart mongod
[root@wallet01 ~]# mongo
> rs.initiate()
{
"info2" : "no configuration specified. Using a default configuration for the set",
"me" : "192.168.40.31:27017",
"ok" : 1,
"operationTime" : Timestamp(1621403780, 1),
"$clusterTime" : {
"clusterTime" : Timestamp(1621403780, 1),
"signature" : {
"hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
"keyId" : NumberLong(0)
}
}
}
rs01:PRIMARY> rs.add("192.168.40.32:27017")
{
"ok" : 1,
"operationTime" : Timestamp(1621404239, 1),
"$clusterTime" : {
"clusterTime" : Timestamp(1621404239, 1),
"signature" : {
"hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
"keyId" : NumberLong(0)
}
}
}
rs01:PRIMARY> rs.add("192.168.40.33:27017")
{
"ok" : 1,
"operationTime" : Timestamp(1621404762, 1),
"$clusterTime" : {
"clusterTime" : Timestamp(1621404762, 1),
"signature" : {
"hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
"keyId" : NumberLong(0)
}
}
}
rs01:PRIMARY> rs.conf()
{
"_id" : "rs01",
"version" : 3,
"protocolVersion" : NumberLong(1),
"writeConcernMajorityJournalDefault" : true,
"members" : [
{
"_id" : 0,
"host" : "192.168.40.31:27017",
"arbiterOnly" : false,
"buildIndexes" : true,
"hidden" : false,
"priority" : 1,
"tags" : {
},
"slaveDelay" : NumberLong(0),
"votes" : 1
},
{
"_id" : 1,
"host" : "192.168.40.32:27017",
"arbiterOnly" : false,
"buildIndexes" : true,
"hidden" : false,
"priority" : 1,
"tags" : {
},
"slaveDelay" : NumberLong(0),
"votes" : 1
},
{
"_id" : 2,
"host" : "192.168.40.33:27017",
"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("60a4a884a2c4b7f2c1c729f4")
}
}
rs01:PRIMARY> rs.status()
{
"set" : "rs01",
"date" : ISODate("2021-05-19T06:14:34.410Z"),
"myState" : 1,
"term" : NumberLong(1),
"syncingTo" : "",
"syncSourceHost" : "",
"syncSourceId" : -1,
"heartbeatIntervalMillis" : NumberLong(2000),
"optimes" : {
"lastCommittedOpTime" : {
"ts" : Timestamp(1621404870, 1),
"t" : NumberLong(1)
},
"readConcernMajorityOpTime" : {
"ts" : Timestamp(1621404870, 1),
"t" : NumberLong(1)
},
"appliedOpTime" : {
"ts" : Timestamp(1621404870, 1),
"t" : NumberLong(1)
},
"durableOpTime" : {
"ts" : Timestamp(1621404870, 1),
"t" : NumberLong(1)
}
},
"lastStableCheckpointTimestamp" : Timestamp(1621404860, 1),
"electionCandidateMetrics" : {
"lastElectionReason" : "electionTimeout",
"lastElectionDate" : ISODate("2021-05-19T05:56:20.654Z"),
"electionTerm" : NumberLong(1),
"lastCommittedOpTimeAtElection" : {
"ts" : Timestamp(0, 0),
"t" : NumberLong(-1)
},
"lastSeenOpTimeAtElection" : {
"ts" : Timestamp(1621403780, 1),
"t" : NumberLong(-1)
},
"numVotesNeeded" : 1,
"priorityAtElection" : 1,
"electionTimeoutMillis" : NumberLong(10000),
"newTermStartDate" : ISODate("2021-05-19T05:56:20.656Z"),
"wMajorityWriteAvailabilityDate" : ISODate("2021-05-19T05:56:20.671Z")
},
"members" : [
{
"_id" : 0,
"name" : "192.168.40.31:27017",
"health" : 1,
"state" : 1,
"stateStr" : "PRIMARY",
"uptime" : 1149,
"optime" : {
"ts" : Timestamp(1621404870, 1),
"t" : NumberLong(1)
},
"optimeDate" : ISODate("2021-05-19T06:14:30Z"),
"syncingTo" : "",
"syncSourceHost" : "",
"syncSourceId" : -1,
"infoMessage" : "",
"electionTime" : Timestamp(1621403780, 2),
"electionDate" : ISODate("2021-05-19T05:56:20Z"),
"configVersion" : 3,
"self" : true,
"lastHeartbeatMessage" : ""
},
{
"_id" : 1,
"name" : "192.168.40.32:27017",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 635,
"optime" : {
"ts" : Timestamp(1621404870, 1),
"t" : NumberLong(1)
},
"optimeDurable" : {
"ts" : Timestamp(1621404870, 1),
"t" : NumberLong(1)
},
"optimeDate" : ISODate("2021-05-19T06:14:30Z"),
"optimeDurableDate" : ISODate("2021-05-19T06:14:30Z"),
"lastHeartbeat" : ISODate("2021-05-19T06:14:32.605Z"),
"lastHeartbeatRecv" : ISODate("2021-05-19T06:14:33.611Z"),
"pingMs" : NumberLong(0),
"lastHeartbeatMessage" : "",
"syncingTo" : "192.168.40.31:27017",
"syncSourceHost" : "192.168.40.31:27017",
"syncSourceId" : 0,
"infoMessage" : "",
"configVersion" : 3
},
{
"_id" : 2,
"name" : "192.168.40.33:27017",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 111,
"optime" : {
"ts" : Timestamp(1621404870, 1),
"t" : NumberLong(1)
},
"optimeDurable" : {
"ts" : Timestamp(1621404870, 1),
"t" : NumberLong(1)
},
"optimeDate" : ISODate("2021-05-19T06:14:30Z"),
"optimeDurableDate" : ISODate("2021-05-19T06:14:30Z"),
"lastHeartbeat" : ISODate("2021-05-19T06:14:32.605Z"),
"lastHeartbeatRecv" : ISODate("2021-05-19T06:14:33.757Z"),
"pingMs" : NumberLong(0),
"lastHeartbeatMessage" : "",
"syncingTo" : "192.168.40.31:27017",
"syncSourceHost" : "192.168.40.31:27017",
"syncSourceId" : 0,
"infoMessage" : "",
"configVersion" : 3
}
],
"ok" : 1,
"operationTime" : Timestamp(1621404870, 1),
"$clusterTime" : {
"clusterTime" : Timestamp(1621404870, 1),
"signature" : {
"hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
"keyId" : NumberLong(0)
}
}
}
rs01:PRIMARY> db.printSlaveReplicationInfo()
WARNING: printSlaveReplicationInfo is deprecated and may be removed in the next major release. Please use printSecondaryReplicationInfo instead.
source: 192.168.40.32:27017
syncedTo: Wed May 19 2021 14:16:20 GMT+0800 (CST)
0 secs (0 hrs) behind the primary
source: 192.168.40.33:27017
syncedTo: Wed May 19 2021 14:16:20 GMT+0800 (CST)
0 secs (0 hrs) behind the primary
rs01:PRIMARY> cfg = rs.conf()
rs01:PRIMARY> cfg.members[0].priority = 5
5
rs01:PRIMARY> rs.reconfig(cfg)
{
"ok" : 1,
"operationTime" : Timestamp(1621476164, 1),
"$clusterTime" : {
"clusterTime" : Timestamp(1621476164, 1),
"signature" : {
"hash" : BinData(0,"Xn5HgUIEUAb6oaTIZwOcludInCM="),
"keyId" : NumberLong("6963920330909810691")
}
}
}rs01:PRIMARY> use admin
switched to db admin
rs01:PRIMARY> db.createUser ({ user: "root", pwd: "abcd.1234",roles: ["root"] })
Successfully added user: { "user" : "root", "roles" : [ "root" ] }
[root@wallet01 ~]# openssl rand -base64 666 > /var/lib/mongo/keyfile
[root@wallet01 ~]# chown mongod:mongod /var/lib/mongo/keyfile
[root@wallet01 ~]# chmod 600 /var/lib/mongo/keyfile
[root@wallet01 ~]# ll /var/lib/mongo/keyfile
-rw------- 1 mongod mongod 902 May 20 09:48 /var/lib/mongo/keyfile
[root@wallet01 ~]# scp /var/lib/mongo/keyfile root@192.168.40.32:/var/lib/mongo/
[root@wallet01 ~]# scp /var/lib/mongo/keyfile root@192.168.40.33:/var/lib/mongo/
[root@wallet02 ~]# chown mongod:mongod /var/lib/mongo/keyfile
[root@wallet03 ~]# chown mongod:mongod /var/lib/mongo/keyfile
[root@wallet01 ~]# vim /etc/mongod.conf
security:
authorization: enabled
clusterAuthMode: keyFile
keyFile: /var/lib/mongo/keyfile
[root@wallet01 ~]# systemctl restart mongod
[root@wallet02 ~]# vim /etc/mongod.conf
security:
authorization: enabled
clusterAuthMode: keyFile
keyFile: /var/lib/mongo/keyfile
[root@wallet02 ~]# systemctl restart mongod
[root@wallet03 ~]# vim /etc/mongod.conf
security:
authorization: enabled
clusterAuthMode: keyFile
keyFile: /var/lib/mongo/keyfile
[root@wallet03 ~]# systemctl restart mongod
[root@wallet01 ~]# mongo -u "root" -p "abcd.1234" --authenticationDatabase "admin" 192.168.40.31
MongoDB shell version v4.0.21
connecting to: mongodb://192.168.40.201:27017/test?authSource=admin&gssapiServiceName=mongodb
Implicit session: session { "id" : UUID("01307bb4-5f68-480a-bd36-3e01110f66b3") }
MongoDB server version: 4.0.21
rs01:PRIMARY> for(var i=0;i<10000;i++){db.customer.insert({"name":"user"+i})}
WriteResult({ "nInserted" : 1 })
rs01:PRIMARY> db.customer.count()
10000
[root@wallet02 ~]# mongo -u "root" -p "abcd.1234" --authenticationDatabase "admin" 192.168.40.32
MongoDB shell version v4.0.21
connecting to: mongodb://192.168.40.202:27017/test?authSource=admin&gssapiServiceName=mongodb
Implicit session: session { "id" : UUID("e1a5d332-4101-4a94-8e68-a2631a8d18eb") }
MongoDB server version: 4.0.21
rs01:SECONDARY> rs.secondaryOk()
rs01:SECONDARY> db.customer.count()
10000
