MongoDB集群配置笔记

firewall-cmd --query-port=27017/tcp

yum install system-config-firewall-tui

firewall-cmd --zone=public --add-port=27017/tcp --permanent

# systemctl unmask firewalld

# systemctl enable firewalld

# systemctl start firewalld

yum install policycoreutils-python

yum install yum-fastestmirror

wget http://yum.baseurl.org/download/3.4/yum-3.4.3.tar.gz

tar xvf yum-3.4.3.tar.gz

cd yum-3.4.3

yummain.py install yum

#replication:
replication:
oplogSizeMB: 100
replSetName: "set_datacn"
secondaryIndexPrefetch: "all"

#sharding:
sharding:
clusterRole: "shardsvr"

config = {_id: "set_datacn", members: [
{_id:0, host: "192.168.1.51", priority: 100},
{_id:1, host: "192.168.1.52", priority: 90},
{_id:2, host: "192.168.1.53",priority: 10,

arbiterOnly: true}
]}

rs.initiate(config)

SECONDARY> rs.slaveOk();