[MongoDB Replica]-3 Arbiter

arbiter 설정

primary 선출을 위한 ‘선관위’ 같은 느낌이다.

1. arbiter

• server #1

  각각의 Replica Set에 대하여 Arbiter를 설정해 준다.

  mongod \
  --fork \
  --replSet RS_1 \
  --bind_ip 192.168.0.1 --port 30001 \
  --dbpath /data/mongodb/arbiter/shard01 \
  --logpath /data/mongodb/logs/arbiter_1.log
  

  mongod \
  --fork \
  --replSet RS_2 \
  --bind_ip 192.168.0.1 --port 30002 \
  --dbpath /data/mongodb/arbiter/shard02 \
  --logpath /data/mongodb/logs/arbiter_2.log
  

  mongod \
  --fork \
  --replSet RS_3 \
  --bind_ip 192.168.0.1 --port 30003 \
  --dbpath /data/mongodb/arbiter/shard03 \
  --logpath /data/mongodb/logs/arbiter_3.log
  

• server #2

  mongo --host 192.168.2 --port 20001
  

  > rs.addArb("192.168.0.1:30001")
  

• server #3

  mongo --host 192.168.3 --port 20002
  

  > rs.addArb("192.168.0.1:30002")
  

• server #4

  mongo --host 192.168.4 --port 20003
  

  > rs.addArb("192.168.0.1:30003")