mongodb 集群搭建

命令如下

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/usr/local/mongodb/bin/mongo --host 127.0.0.1 --port 10000

初始化集群

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rs.initiate(
{
_id: "driven",
version: 1,
members: [
{ _id: 0, host : "10.0.177.242:10000" },
{ _id: 1, host : "10.0.177.243:10000" }
]
}
)

rs.addArb("10.0.177.244:10000")

创建用户

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db.createUser( { "user" : "admin",
"pwd": "xxx",
"roles" : [
{
"role" : "__queryableBackup",
"db" : "admin"
},
{
"role" : "__system",
"db" : "admin"
},
{
"role" : "backup",
"db" : "admin"
},
{
"role" : "clusterAdmin",
"db" : "admin"
},
{
"role" : "clusterManager",
"db" : "admin"
},
{
"role" : "clusterMonitor",
"db" : "admin"
},
{
"role" : "dbAdmin",
"db" : "admin"
},
{
"role" : "dbAdminAnyDatabase",
"db" : "admin"
},
{
"role" : "dbOwner",
"db" : "admin"
},
{
"role" : "enableSharding",
"db" : "admin"
},
{
"role" : "hostManager",
"db" : "admin"
},
{
"role" : "read",
"db" : "admin"
},
{
"role" : "readAnyDatabase",
"db" : "admin"
},
{
"role" : "readWrite",
"db" : "admin"
},
{
"role" : "readWriteAnyDatabase",
"db" : "admin"
},
{
"role" : "restore",
"db" : "admin"
},
{
"role" : "root",
"db" : "admin"
},
{
"role" : "userAdmin",
"db" : "admin"
},
{
"role" : "userAdminAnyDatabase",
"db" : "admin"
}
]} );

设置优先级

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config=rs.conf()
config.members[0].priority = 100
rs.reconfig(config)