# Make sure you have Replication_set.txt done and 3 mongos are running. 
   # We are going to make a 6 cluster, with a non failover slave, arbiter, and hidden

rm -rf  mongo/d4 momgo/d5 mongo/d6 
mkdir -p mongo/d1 mongo/d2 mongo/d3 mongo/d4 mongo/d5 mongo/d6 mongo/logs

   # Start the arbiter and hidden servers.
   # d4 is a non failover sceondary, d5 is arbiter, d6 is hidden 
mongod --dbpath mongo/d4 --port 3004 --smallfiles --oplogSize 50 --replSet r --bind_ip 127.0.0.1 > mongo/logs/4.log 2>&1  &
sleep 1
mongod --dbpath mongo/d5 --port 3005 --smallfiles --oplogSize 50 --replSet r --bind_ip 127.0.0.1 > mongo/logs/5.log 2>&1  &
sleep 2
mongod --dbpath mongo/d6 --port 3006 --smallfiles --oplogSize 50 --replSet r --bind_ip 127.0.0.1 > mongo/logs/6.log 2>&1  &

   # Add the non failover secondary, arbiter, and hidden with delay.
mongo --port 3001 --eval "rs.add({ host: 'localhost:3004', priority: 0})"
sleep 1
mongo --port 3001 --eval "rs.addArb('localhost:3005')"
sleep 1
mongo --port 3001 --eval "rs.add({ host: 'localhost:3006', hidden: 0, priority: 0, "slaveDelay" : 10 })"
sleep 3
mongo --port 3001 --eval "rs.status()" | egrep 'name|stateStr'
sleep 1

  # Lets add some data. 
echo "
function fillData() { 
    db = db.getSiblingDB('test')
    db.no.insert({valiue: 1});
    db.no.drop();

    for( var i = 0; i < 1000; i++ ) {
        db.no.insert( {value: i } );
    }
}
fillData()
" > mongo/fill.js

mongo --port 3001 mongo/fill.js

  # Should be 1000 entries
mongo  --quiet --port 3001 --eval "db.no.count()" test

  # Make it so we can connect to the secondaries for reads. 
  # We won't affect 2, will will make it so 3,4 and 6 are readable
  # 2 should not be readable.
  # We will issue the same command to the arbiter for fun to see what happens. 
  # In theory the command will work on the arbiter, but means nothing

  # This should fail
mongo --quiet --port 3002 --eval "db.no.count()" test
  # This should work
mongo --quiet --port 3003 --eval "rs.slaveOk(); db.no.count()" test
  # This should work
mongo --quiet --port 3004 --eval "rs.slaveOk(); db.no.count()" test
  # This should fail
mongo --quiet --port 3005 --eval "rs.slaveOk(); db.no.count()" test


  # Refill the data.
mongo --quiet --port 3001 --eval "rs.slaveOk(); db.dropDatabase()" test
sleep 10
mongo --quiet --port 3001 mongo/fill.js
  # What there's no data?
mongo --quiet --port 3006 --eval "rs.slaveOk(); db.no.count()" test
sleep 11
  # There it is.
mongo --quiet --port 3006 --eval "rs.slaveOk(); db.no.count()" test