Shulou(Shulou.com)06/01 Report--

Host Information:

[root@my2 db] # cat / etc/hosts

127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4

192.168.56.101 my1.ml.com my1

192.168.56.102 my2.ml.com my2

192.168.56.103 my3.ml.com my3

Turn off large page memory:

Echo never > > / sys/kernel/mm/transparent_hugepage/enabled

Echo never > > / sys/kernel/mm/transparent_hugepage/defrag

Create a directory on each host:

Mkdir / data/db-p

Edit the configuration file on each host:

Vim / data/db/mongodb.conf

Storage:

DbPath: "/ data/db"

DirectoryPerDB: true

Journal:

Enabled: true

WiredTiger:

EngineConfig:

CacheSizeGB: 1

SystemLog:

Destination: file

Path: "/ data/db/mongodb.log"

LogRotate: rename

LogAppend: true

TimeStampFormat: iso8601-local

OperationProfiling:

SlowOpThresholdMs: 200

Mode: slowOp

Replication:

OplogSizeMB: 10240

ReplSetName: "repsetzhou"

ProcessManagement:

Fork: true

Net:

BindIp: 0.0.0.0

Port: 27017

Security:

KeyFile: "/ data/db/mongodb-keyfile"

Authorization: "enabled"

Generate certification files:

[root@my1 db] # openssl rand-base64 800 > / data/db/mongodb-keyfile

Scp to other nodes:

[root@my1 db] # scp / data/db/mongodb-keyfile 192.168.56.102:/data/db/

Mongodb-keyfile 100% 1390 1.4KB/s 00:00

[root@my1 db] # scp / data/db/mongodb-keyfile 192.168.56.103:/data/db/

Mongodb-keyfile

/ usr/local/mongodb/bin/mongod-- config / data/db/mongodb.conf

Log in to mongodb on 192.168.56.101 to configure and initialize the replication set:

/ usr/local/mongodb/bin/mongo

> use admin

Switched to db admin

Configure the replication set:

Config = {

_ id: "repsetzhou"

Members: [

{_ id: 0, host: "192.168.56.101 purl 27017"}

{_ id: 1, host: "192.168.56.102 purl 27017"}

{_ id: 2, host: "192.168.56.103 purl 27017"}

]

}

Initialize the configuration set:

Rs.initiate (config)

Action:

> config = {

... _ id: "repsetzhou"

... Members: [

... {_ id: 0, host: "192.168.56.101 purl 27017"}

... {_ id: 1, host: "192.168.56.102 purl 27017"}

... {_ id: 2, host: "192.168.56.103 purl 27017"}

...]

...}

{

"_ id": "repsetzhou"

"members": [

{

"_ id": 0

"host": "192.168.56.101purl 27017"

}

{

"_ id": 1

"host": "192.168.56.102 purl 27017"

}

{

"_ id": 2

"host": "192.168.56.103 purl 27017"

}

]

}

>

> rs.initiate (config)

{"ok": 1}

Login confirmation:

Repsetzhou:PRIMARY > use admin

Switched to db admin

Repsetzhou:PRIMARY > rs.config ()

{

"_ id": "repsetzhou"

"version": 1

"protocolVersion": NumberLong (1)

"members": [

{

"_ id": 0

"host": "192.168.56.101purl 27017"

"arbiterOnly": false

"buildIndexes": true

"hidden": false

"priority": 1

"tags": {

}

"slaveDelay": NumberLong (0)

"votes": 1

}

{

"_ id": 1

"host": "192.168.56.102 purl 27017"

"arbiterOnly": false

"buildIndexes": true

"hidden": false

"priority": 1

"tags": {

}

"slaveDelay": NumberLong (0)

"votes": 1

}

{

"_ id": 2

"host": "192.168.56.103 purl 27017"

"arbiterOnly": false

"buildIndexes": true

"hidden": false

"priority": 1

"tags": {

}

"slaveDelay": NumberLong (0)

"votes": 1

}

]

"settings": {

"chainingAllowed": true

"heartbeatIntervalMillis": 2000

"heartbeatTimeoutSecs": 10

"electionTimeoutMillis": 10000

"getLastErrorModes": {

}

"getLastErrorDefaults": {

"w": 1

"wtimeout": 0

}

"replicaSetId": ObjectId ("5b9724ff670e7d5d4d9c6c7e")

}

}

Repsetzhou:PRIMARY >

Use admin

Db.createUser (

{

User: "admin"

Pwd: "admin123"

Roles: [{role: "userAdminAnyDatabase", db: "admin"}]

}

);

Repsetzhou:PRIMARY > use admin

Switched to db admin

Repsetzhou:PRIMARY > db.createUser (

... {

... User: "admin"

... Pwd: "admin123"

... Roles: [{role: "userAdminAnyDatabase", db: "admin"}]

...}

Successfully added user: {

"user": "admin"

"roles": [

{

"role": "userAdminAnyDatabase"

"db": "admin"

}

]

}

Authorization:

Db.grantRolesToUser ("admin", ["clusterAdmin"])

Db.grantRolesToUser ("admin", ["readWriteAnyDatabase"])

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