MongoDB複製集配置，mongodb複製

MongoDB複製集配置，mongodb複製

設定檔

# vim /etc/mongod.conf

storage:  dbPath: /var/lib/mongodb  journal:    enabled: truesystemLog:  destination: file  logAppend: true  path: /var/log/mongodb/mongod.lognet:  port: 27017security:  keyFile: /var/lib/mongodb/mongodb-keyfilereplication:  replSetName: rs0

在主節點初始化複製集配置

rs.initiate( {   _id : "rs0",   members: [ { _id : 0, host : "ubuntu-mongodb-node1:27017" } ]})

在主節點上添加從節點

rs.add("ubuntu-mongodb-node2:27017")rs.add("ubuntu-mongodb-node3:27017")

修改節點的優先順序，設定為0則不會被選為主

cfg = rs.conf()cfg.members[2].priority = 0rs.reconfig(cfg)