mkdir -p /data/mongo{1,2,3}/{db,logs}
/usr/bin/mongod --replSet replset --journal --port 27017 --logappend --logpath /data/mongo1/logs/mongod.log --pidfilepath=/data/mongo1/logs/mongod.pid --dbpath=/data/mongo1/db --fork --rest /usr/bin/mongod --replSet replset --journal --port 27018 --logappend --logpath /data/mongo2/logs/mongod.log --pidfilepath=/data/mongo2/logs/mongod.pid --dbpath=/data/mongo2/db --fork --rest /usr/bin/mongod --replSet replset --journal --port 27019 --logappend --logpath /data/mongo3/logs/mongod.log --pidfilepath=/data/mongo3/logs/mongod.pid --dbpath=/data/mongo3/db --fork --rest
# vi /data/mongo1/mongod.conf
replSet = replset journal = true port = 27017 logappend = true logpath = /data/mongo1/logs/mongod.log pidfilepath = /data/mongo1/logs/mongod.pid dbpath = /data/mongo1/db fork = true rest = true
# sed -e "s/mongo1/mongo2/" /data/mongo1/mongod.conf > /data/mongo2/mongod.conf # vi /data/mongo2/mongod.conf :%s/27017/27018/g
# sed -e "s/mongo1/mongo3/" /data/mongo1/mongod.conf > /data/mongo3/mongod.conf # vi /data/mongo3/mongod.conf :%s/27017/27019/g
/usr/bin/mongod --config /data/mongo1/mongod.conf /usr/bin/mongod --config /data/mongo2/mongod.conf /usr/bin/mongod --config /data/mongo3/mongod.conf
# mongo
MongoDB shell version: 2.2.2
connecting to: test
> config = {_id:'replset',members:
... [
... {_id:0, host:'localhost:27017', priority:1},
... {_id:1, host:'localhost:27018', priority:1},
... {_id:2, host:'localhost:27019', priority:1},
... ]}
{
"_id" : "replset",
"members" : [
{
"_id" : 0,
"host" : "localhost:27017",
"priority" : 1
},
{
"_id" : 1,
"host" : "localhost:27018",
"priority" : 1
},
{
"_id" : 2,
"host" : "localhost:27019",
"priority" : 1
}
]
}
> rs.initiate(config)
{
"info" : "Config now saved locally. Should come online in about a minute.",
"ok" : 1
}
replset:STARTUP2> rs.status()
{
"set" : "replset",
"date" : ISODate("2013-01-29T05:15:12Z"),
"myState" : 1,
"members" : [
{
"_id" : 0,
"name" : "localhost:27017",
"health" : 1,
"state" : 1,
"stateStr" : "PRIMARY",
"uptime" : 469,
"optime" : Timestamp(1359436451000, 1),
"optimeDate" : ISODate("2013-01-29T05:14:11Z"),
"self" : true
},
{
"_id" : 1,
"name" : "localhost:27018",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 51,
"optime" : Timestamp(1359436451000, 1),
"optimeDate" : ISODate("2013-01-29T05:14:11Z"),
"lastHeartbeat" : ISODate("2013-01-29T05:15:11Z"),
"pingMs" : 3
},
{
"_id" : 2,
"name" : "localhost:27019",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 51,
"optime" : Timestamp(1359436451000, 1),
"optimeDate" : ISODate("2013-01-29T05:14:11Z"),
"lastHeartbeat" : ISODate("2013-01-29T05:15:11Z"),
"pingMs" : 61
}
],
"ok" : 1
}
replset:PRIMARY> use testdb
switched to db testdb
replset:PRIMARY> db.testcol.insert( { "key1": "string", "key2": 123 } )
replset:PRIMARY> db.testcol.insert( { "key1": "integer", "key2": 456 } )
replset:PRIMARY> db.testcol.find()
{ "_id" : ObjectId("51075bbca90ac28dac68e0f5"), "key1" : "string", "key2" : 123 }
{ "_id" : ObjectId("51075bd7a90ac28dac68e0f6"), "key1" : "integer", "key2" : 456 }
replset:PRIMARY> exit
bye
# mongo --port 27018
MongoDB shell version: 2.2.2
connecting to: 127.0.0.1:27018/test
replset:SECONDARY> show dbs
local 4.201171875GB
testdb 0.203125GB
replset:SECONDARY> use testdb
switched to db testdb
replset:SECONDARY> db.testcol.find()
error: { "$err" : "not master and slaveOk=false", "code" : 13435 }
replset:SECONDARY> db.getMongo().setSlaveOk()
replset:SECONDARY> show collections
system.indexes
testcol
replset:SECONDARY> db.testcol.find()
{ "_id" : ObjectId("51075bbca90ac28dac68e0f5"), "key1" : "string", "key2" : 123 }
{ "_id" : ObjectId("51075bd7a90ac28dac68e0f6"), "key1" : "integer", "key2" : 456 }
replset:SECONDARY> db.getMongo().slaveOk = false
false
replset:SECONDARY> exit
bye
# mongo
MongoDB shell version: 2.2.2
connecting to: test
replset:PRIMARY> use admin
switched to db admin
replset:PRIMARY> db.shutdownServer()
Mon Jan 28 21:26:19 DBClientCursor::init call() failed
Mon Jan 28 21:26:19 query failed : admin.$cmd { shutdown: 1.0 } to: 127.0.0.1:27017
server should be down...
Mon Jan 28 21:26:19 trying reconnect to 127.0.0.1:27017
Mon Jan 28 21:26:19 reconnect 127.0.0.1:27017 failed couldn't connect to server 127.0.0.1:27017
> exit
bye
# ps aux | grep mongo
root 5101 0.5 3.1 9582360 32512 ? Sl 21:07 0:06 /usr/bin/mongod --replSet replset --journal --port 27018 --logappend --logpath /data/mongo2/logs/mongod.log --pidfilepath=/data/mongo2/logs/mongod.pid --dbpath=/data/mongo2/db --fork
root 5148 0.5 3.1 9586480 32480 ? Sl 21:07 0:05 /usr/bin/mongod --replSet replset --journal --port 27019 --logappend --logpath /data/mongo3/logs/mongod.log --pidfilepath=/data/mongo3/logs/mongod.pid --dbpath=/data/mongo3/db --fork
root 5726 0.0 0.0 61212 748 pts/0 S+ 21:26 0:00 grep mongo
# mongo --port 27018
MongoDB shell version: 2.2.2
connecting to: 127.0.0.1:27018/test
replset:SECONDARY> rs.status()
{
"set" : "replset",
"date" : ISODate("2013-01-29T05:27:40Z"),
"myState" : 2,
"syncingTo" : "localhost:27019",
"members" : [
{
"_id" : 0,
"name" : "localhost:27017",
"health" : 0,
"state" : 8,
"stateStr" : "(not reachable/healthy)",
"uptime" : 0,
"optime" : Timestamp(1359436759000, 1),
"optimeDate" : ISODate("2013-01-29T05:19:19Z"),
"lastHeartbeat" : ISODate("2013-01-29T05:26:18Z"),
"pingMs" : 0,
"errmsg" : "socket exception [CONNECT_ERROR] for localhost:27017"
},
{
"_id" : 1,
"name" : "localhost:27018",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 1217,
"optime" : Timestamp(1359436759000, 1),
"optimeDate" : ISODate("2013-01-29T05:19:19Z"),
"errmsg" : "syncing to: localhost:27019",
"self" : true
},
{
"_id" : 2,
"name" : "localhost:27019",
"health" : 1,
"state" : 1,
"stateStr" : "PRIMARY",
"uptime" : 795,
"optime" : Timestamp(1359436759000, 1),
"optimeDate" : ISODate("2013-01-29T05:19:19Z"),
"lastHeartbeat" : ISODate("2013-01-29T05:27:40Z"),
"pingMs" : 0
}
],
"ok" : 1
}
rs.initiate({
_id: "replset",
members: [
{ _id: 0, host: "localhost:27017" },
{ _id: 1, host: "localhost:27018" },
]
})
rs.add('localhost:27019')
rs.addArb('localhost:27019')
rs.status();
rs.remove('localhost:27019')
# mongo
MongoDB shell version: 2.2.2
connecting to: test
Welcome to the MongoDB shell.
For interactive help, type "help".
For more comprehensive documentation, see
http://docs.mongodb.org/
Questions? Try the support group
http://groups.google.com/group/mongodb-user
> config = {_id: 'replset', members: [ {_id:0, host:'localhost:27017'} ]}
{
"_id" : "replset",
"members" : [
{
"_id" : 0,
"host" : "localhost:27017"
}
]
}
> rs.initiate(config)
{
"info" : "Config now saved locally. Should come online in about a minute.",
"ok" : 1
}
> rs.status()
{
"set" : "replset",
"date" : ISODate("2013-01-29T07:13:05Z"),
"myState" : 1,
"members" : [
{
"_id" : 0,
"name" : "localhost:27017",
"health" : 1,
"state" : 1,
"stateStr" : "PRIMARY",
"uptime" : 567,
"optime" : Timestamp(1359443566000, 1),
"optimeDate" : ISODate("2013-01-29T07:12:46Z"),
"self" : true
}
],
"ok" : 1
}
replset:PRIMARY> rs.add( {_id:1, host:'localhost:27018'} )
{ "ok" : 1 }
replset:PRIMARY> rs.status()
{
"set" : "replset",
"date" : ISODate("2013-01-29T07:16:32Z"),
"myState" : 1,
"members" : [
{
"_id" : 0,
"name" : "localhost:27017",
"health" : 1,
"state" : 1,
"stateStr" : "PRIMARY",
"uptime" : 774,
"optime" : Timestamp(1359443636000, 1),
"optimeDate" : ISODate("2013-01-29T07:13:56Z"),
"self" : true
},
{
"_id" : 1,
"name" : "localhost:27018",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 156,
"optime" : Timestamp(1359443636000, 1),
"optimeDate" : ISODate("2013-01-29T07:13:56Z"),
"lastHeartbeat" : ISODate("2013-01-29T07:16:31Z"),
"pingMs" : 0
}
],
"ok" : 1
}
replset:PRIMARY> use testdb
switched to db testdb
replset:PRIMARY> db.testcol.insert( { "key1": "string", "key2": 123 } )
replset:PRIMARY> db.testcol.insert( { "key1": "integer", "key2": 456 } )
replset:PRIMARY> db.testcol.find()
{ "_id" : ObjectId("51077831f418a1407ef827b5"), "key1" : "string", "key2" : 123 }
{ "_id" : ObjectId("51077836f418a1407ef827b6"), "key1" : "integer", "key2" : 456 }
replset:PRIMARY> rs.add( {_id:2, host:'localhost:27019'} )
{ "ok" : 1 }
replset:PRIMARY> exit
bye
# mongo --port 27019
MongoDB shell version: 2.2.2
connecting to: 127.0.0.1:27019/test
replset:SECONDARY> db.getMongo().setSlaveOk()
replset:SECONDARY> use testdb
switched to db testdb
replset:SECONDARY> db.testcol.find()
{ "_id" : ObjectId("51077831f418a1407ef827b5"), "key1" : "string", "key2" : 123 }
{ "_id" : ObjectId("51077836f418a1407ef827b6"), "key1" : "integer", "key2" : 456 }
replset:SECONDARY> db.getMongo().slaveOk = false
false
replset:SECONDARY> exit
bye
replset:PRIMARY> db.isMaster()
{
"setName" : "replset",
"ismaster" : true,
"secondary" : false,
"hosts" : [
"localhost:27017",
"localhost:27019",
"localhost:27018"
],
"primary" : "localhost:27017",
"me" : "localhost:27017",
"maxBsonObjectSize" : 16777216,
"localTime" : ISODate("2013-01-29T07:28:27.607Z"),
"ok" : 1
}
replset:PRIMARY> config=rs.conf()
{
"_id" : "replset",
"version" : 3,
"members" : [
{
"_id" : 0,
"host" : "localhost:27017"
},
{
"_id" : 1,
"host" : "localhost:27018"
},
{
"_id" : 2,
"host" : "localhost:27019"
}
]
}
replset:PRIMARY> config.members[2].host = "127.0.0.1:27019"
127.0.0.1:27019
replset:PRIMARY> config
{
"_id" : "replset",
"version" : 3,
"members" : [
{
"_id" : 0,
"host" : "localhost:27017"
},
{
"_id" : 1,
"host" : "localhost:27018"
},
{
"_id" : 2,
"host" : "127.0.0.1:27019"
}
]
}
replset:SECONDARY> rs.reconfig(config)
{ "ok" : 1 }
replset:PRIMARY> rs.status()
{
"set" : "replset",
"date" : ISODate("2013-01-29T07:38:48Z"),
"myState" : 1,
"members" : [
{
"_id" : 0,
"name" : "localhost:27017",
"health" : 1,
"state" : 1,
"stateStr" : "PRIMARY",
"uptime" : 2110,
"optime" : Timestamp(1359445059000, 1),
"optimeDate" : ISODate("2013-01-29T07:37:39Z"),
"self" : true
},
{
"_id" : 1,
"name" : "localhost:27018",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 99,
"optime" : Timestamp(1359445059000, 1),
"optimeDate" : ISODate("2013-01-29T07:37:39Z"),
"lastHeartbeat" : ISODate("2013-01-29T07:38:47Z"),
"pingMs" : 0,
"errmsg" : "syncing to: localhost:27017"
},
{
"_id" : 2,
"name" : "127.0.0.1:27019",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 101,
"optime" : Timestamp(1359445059000, 1),
"optimeDate" : ISODate("2013-01-29T07:37:39Z"),
"lastHeartbeat" : ISODate("2013-01-29T07:38:47Z"),
"pingMs" : 0,
"errmsg" : "syncing to: localhost:27017"
}
],
"ok" : 1
}
ポート+1000番でWEBコンソールが見れる。
起動時に「–rest」オプションを定義していれば、WEBコンソールでReplica Setsのステータスが見れる。