【Mongodb】往分片复制集添加复制成员-云搜网

1.新的成员机器上安装mongo，启动shard1

[root@ip–10–1–2–183 etc]# more shard1.conf
logpath=/usr/local/mongodb/logs/mongo_shard1.log
logappend=true # need logrotae scripts
fork=true
journal=true
port=27019
#vvvvv = true
#diaglog = 3
dbpath=/usr/local/mongodb/shard1
pidfilepath=/usr/local/mongodb/logs/mongo_shard1.pid
bind_ip=10.1.2.183
replSet=shard1
shardsvr=true

/usr/local/mongodb/bin/mongod -f shard1.conf

2.主节点上加入新的复制集成员

[root@ip-10-1-2-32 etc]# /usr/local/mongodb/bin/mongo 10.1.2.32:27019
shard1:PRIMARY> rs.add({_id: 3, host: “10.1.2.183:27019”})
{
“ok” : 1,
“operationTime” : Timestamp(1525752728, 3),
“$gleStats” : {
“lastOpTime” : {
“ts” : Timestamp(1525752728, 3),
“t” : NumberLong(1)
},
“electionId” : ObjectId(“7fffffff0000000000000001”)
},
“$clusterTime” : {
“clusterTime” : Timestamp(1525752728, 3),
“signature” : {
“hash” : BinData(0,“AAAAAAAAAAAAAAAAAAAAAAAAAAA=”),
“keyId” : NumberLong(0)
}
},
“$configServerState” : {
“opTime” : {
“ts” : Timestamp(1525752728, 2),
“t” : NumberLong(1)
}
}
}
shard1:PRIMARY> rs.isMaster()
{
“hosts” : [
“10.1.2.32:27019”,
“10.1.2.68:27019”,
“10.1.2.175:27019”,
“10.1.2.183:27019”
],
“setName” : “shard1”,
“setVersion” : 4,
“ismaster” : true,
“secondary” : false,
“primary” : “10.1.2.32:27019”,
“me” : “10.1.2.32:27019”,
“electionId” : ObjectId(“7fffffff0000000000000001”),
“lastWrite” : {
“opTime” : {
“ts” : Timestamp(1525752728, 3),
“t” : NumberLong(1)
},
“lastWriteDate” : ISODate(“2018-05-08T04:12:08Z”),
“majorityOpTime” : {
“ts” : Timestamp(1525752728, 3),
“t” : NumberLong(1)
},
“majorityWriteDate” : ISODate(“2018-05-08T04:12:08Z”)
},
“maxBsonObjectSize” : 16777216,
“maxMessageSizeBytes” : 48000000,
“maxWriteBatchSize” : 100000,
“localTime” : ISODate(“2018-05-08T04:12:12.282Z”),
“logicalSessionTimeoutMinutes” : 30,
“minWireVersion” : 0,
“maxWireVersion” : 6,
“readOnly” : false,
“ok” : 1,
“operationTime” : Timestamp(1525752728, 3),
“$gleStats” : {
“lastOpTime” : {
“ts” : Timestamp(1525752728, 3),
“t” : NumberLong(1)
},
“electionId” : ObjectId(“7fffffff0000000000000001”)
},
“$clusterTime” : {
“clusterTime” : Timestamp(1525752729, 3),
“signature” : {
“hash” : BinData(0,“AAAAAAAAAAAAAAAAAAAAAAAAAAA=”),
“keyId” : NumberLong(0)
}
},
“$configServerState” : {
“opTime” : {
“ts” : Timestamp(1525752729, 3),
“t” : NumberLong(1)
}
}
}
shard1:PRIMARY> rs.conf()
{
“_id” : “shard1”,
“version” : 4,
“protocolVersion” : NumberLong(1),
“members” : [
{
“_id” : 0,
“host” : “10.1.2.32:27019”,
“arbiterOnly” : false,
“buildIndexes” : true,
“hidden” : false,
“priority” : 1,
“tags” : {
},
“slaveDelay” : NumberLong(0),
“votes” : 1
},
{
“_id” : 1,
“host” : “10.1.2.68:27019”,
“arbiterOnly” : false,
“buildIndexes” : true,
“hidden” : false,
“priority” : 1,
“tags” : {
},
“slaveDelay” : NumberLong(0),
“votes” : 1
},
{
“_id” : 2,
“host” : “10.1.2.175:27019”,
“arbiterOnly” : false,
“buildIndexes” : true,
“hidden” : false,
“priority” : 1,
“tags” : {
},
“slaveDelay” : NumberLong(0),
“votes” : 1
},
{
“_id” : 3,
“host” : “10.1.2.183:27019”,
“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(“5aeab9557a9235efbe4a9b59”)
}
shard1:PRIMARY> rs.status()
{
“set” : “shard1”,
“date” : ISODate(“2018-05-08T05:38:35.245Z”),
“myState” : 1,
“term” : NumberLong(1),
“heartbeatIntervalMillis” : NumberLong(2000),
“optimes” : {
“lastCommittedOpTime” : {
“ts” : Timestamp(1525757907, 1),
“t” : NumberLong(1)
},
“readConcernMajorityOpTime” : {
“ts” : Timestamp(1525757907, 1),
“t” : NumberLong(1)
},
“appliedOpTime” : {
“ts” : Timestamp(1525757907, 1),
“t” : NumberLong(1)
},
“durableOpTime” : {
“ts” : Timestamp(1525757907, 1),
“t” : NumberLong(1)
}
},
“members” : [
{
“_id” : 0,
“name” : “10.1.2.32:27019”,
“health” : 1,
“state” : 1,
“stateStr” : “PRIMARY”,
“uptime” : 425793,
“optime” : {
“ts” : Timestamp(1525757907, 1),
“t” : NumberLong(1)
},
“optimeDate” : ISODate(“2018-05-08T05:38:27Z”),
“electionTime” : Timestamp(1525332319, 1),
“electionDate” : ISODate(“2018-05-03T07:25:19Z”),
“configVersion” : 4,
“self” : true
},
{
“_id” : 1,
“name” : “10.1.2.68:27019”,
“health” : 1,
“state” : 2,
“stateStr” : “SECONDARY”,
“uptime” : 425606,
“optime” : {
“ts” : Timestamp(1525757907, 1),
“t” : NumberLong(1)
},
“optimeDurable” : {
“ts” : Timestamp(1525757907, 1),
“t” : NumberLong(1)
},
“optimeDate” : ISODate(“2018-05-08T05:38:27Z”),
“optimeDurableDate” : ISODate(“2018-05-08T05:38:27Z”),
“lastHeartbeat” : ISODate(“2018-05-08T05:38:34.014Z”),
“lastHeartbeatRecv” : ISODate(“2018-05-08T05:38:34.014Z”),
“pingMs” : NumberLong(0),
“syncingTo” : “10.1.2.32:27019”,
“configVersion” : 4
},
{
“_id” : 2,
“name” : “10.1.2.175:27019”,
“health” : 1,
“state” : 2,
“stateStr” : “SECONDARY”,
“uptime” : 425606,
“optime” : {
“ts” : Timestamp(1525757907, 1),
“t” : NumberLong(1)
},
“optimeDurable” : {
“ts” : Timestamp(1525757907, 1),
“t” : NumberLong(1)
},
“optimeDate” : ISODate(“2018-05-08T05:38:27Z”),
“optimeDurableDate” : ISODate(“2018-05-08T05:38:27Z”),
“lastHeartbeat” : ISODate(“2018-05-08T05:38:34.014Z”),
“lastHeartbeatRecv” : ISODate(“2018-05-08T05:38:34.016Z”),
“pingMs” : NumberLong(0),
“syncingTo” : “10.1.2.183:27019”,
“configVersion” : 4
},
{
“_id” : 3,
“name” : “10.1.2.183:27019”,
“health” : 1,
“state” : 2,
“stateStr” : “SECONDARY”,
“uptime” : 5184,
“optime” : {
“ts” : Timestamp(1525757907, 1),
“t” : NumberLong(1)
},
“optimeDurable” : {
“ts” : Timestamp(1525757907, 1),
“t” : NumberLong(1)
},
“optimeDate” : ISODate(“2018-05-08T05:38:27Z”),
“optimeDurableDate” : ISODate(“2018-05-08T05:38:27Z”),
“lastHeartbeat” : ISODate(“2018-05-08T05:38:34.016Z”),
“lastHeartbeatRecv” : ISODate(“2018-05-08T05:38:33.567Z”),
“pingMs” : NumberLong(0),
“syncingTo” : “10.1.2.68:27019”,
“configVersion” : 4
}
],
“ok” : 1,
“operationTime” : Timestamp(1525757907, 1),
“$gleStats” : {
“lastOpTime” : Timestamp(0, 0),
“electionId” : ObjectId(“7fffffff0000000000000001”)
},
“$clusterTime” : {
“clusterTime” : Timestamp(1525757911, 2),
“signature” : {
“hash” : BinData(0,”AAAAAAAAAAAAAAAAAAAAAAAAAAA=”),
“keyId” : NumberLong(0)
}
},
“$configServerState” : {
“opTime” : {
“ts” : Timestamp(1525757911, 2),
“t” : NumberLong(1)
}
}
}

可以看到新的成员已经加入复制集中去了

3.shard2 config 加成员同理（过程略）

4.检查是否加入成功

登陆mongos端口可以看到
[root@ip–10–1–2–32 etc]# /usr/local/mongodb/bin/mongo 10.1.2.32:30000
MongoDB shell version v3.6.4
connecting to: mongodb://10.1.2.32:30000/test
MongoDB server version: 3.6.4
Server has startup warnings:
2018–05–03T07:47:09.379+0000 I CONTROL [main]
2018–05–03T07:47:09.379+0000 I CONTROL [main] ** WARNING: Access control is not enabled for the database.
2018–05–03T07:47:09.379+0000 I CONTROL [main] ** Read and write access to data and configuration is unrestricted.
2018–05–03T07:47:09.379+0000 I CONTROL [main] ** WARNING: You are running this process as the root user, which is not recommended.
2018–05–03T07:47:09.379+0000 I CONTROL [main]
mongos> db.printShardingStatus();
––– Sharding Status –––
sharding version: {
“_id” : 1,
“minCompatibleVersion” : 5,
“currentVersion” : 6,
“clusterId” : ObjectId(“5aeabc4db192a4fefca1c888”)
}
shards:
{ “_id” : “shard1”, “host” : “shard1/10.1.2.175:27019,10.1.2.183:27019,10.1.2.32:27019,10.1.2.68:27019″, “state” : 1 } —新的复制集成员自动同步到分片信息了
{ “_id” : “shard2”, “host” : “shard2/10.1.2.175:27018,10.1.2.32:27018,10.1.2.68:27018”, “state” : 1 }
{ “_id” : “shard3”, “host” : “shard3/10.1.2.175:27017,10.1.2.32:27017,10.1.2.68:27017”, “state” : 1 }
active mongoses:
“3.6.4” : 3
autosplit:
Currently enabled: yes
balancer:
Currently enabled: yes
Currently running: no
Failed balancer rounds in last 5 attempts: 0
Migration Results for the last 24 hours:
No recent migrations
databases:
{ “_id” : “config”, “primary” : “config”, “partitioned” : true }
config.system.sessions
shard key: { “_id” : 1 }
unique: false
balancing: true
chunks:
shard1 1
{ “_id” : { “$minKey” : 1 } } ––>> { “_id” : { “$maxKey” : 1 } } on : shard1 Timestamp(1, 0)
{ “_id” : “test”, “primary” : “shard2”, “partitioned” : true }
test.users
shard key: { “_id” : 1 }
unique: false
balancing: true
chunks:
shard2 1
{ “_id” : { “$minKey” : 1 } } ––>> { “_id” : { “$maxKey” : 1 } } on : shard2 Timestamp(1, 0)
mongos> ；

4.最后修改下配置文件

避免重启问题，写入配置文件
[root@ip–10–1–2–32 etc]# more mongos.conf
logpath=/usr/local/mongodb/logs/mongos.log
logappend=true # need logrotae scripts
fork=true
port=30000
pidfilepath=/usr/local/mongodb/logs/mongos.pid
configdb=conf/10.1.2.32:27000,10.1.2.68:27000,10.1.2.175:27000,10.1.2.183:27000
bind_ip=10.1.2.32

【Mongodb】往分片复制集添加复制成员

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