function repro {

    db=/ssd/db # change this as required
    uri='mongodb://localhost:27017/test?replicaSet=rs'
 
    function clean {
        killall -9 -w mongod
        rm -rf $db
    }
        
    function start {
        for i in 0 1 2; do 
            mkdir -p $db/r$i
            mongod --dbpath $db/r$i --logpath ./r$i.log --port 27${i}17 --replSet rs --fork
        done
    }
 
    function stop {
        killall -w mongod
    }
 
    function initiate {
        mongo --quiet --eval '
            rs.initiate({
                _id: "rs",
                 members: [
                     {_id: 0, host: "localhost:27017"},
                     {_id: 1, host: "localhost:27117"},
                     {_id: 2, host: "localhost:27217"}
                ]
            })
        '
    }

    # get collection filename for port $1
    function fn {
        mongo --quiet --port $1 --eval '
            rs.slaveOk()
            print(db.runCommand({collStats: "c"}).wiredTiger.uri.substr(17))
        '
    }

    # start new replica set
    clean; start; initiate

    # create test.c, wait for replication
    mongo --quiet $uri --eval 'db.c.insert({})'
    sleep 5

    # note collection filenames on each member
    fn0=$db/r0/$(fn 27017).wt
    fn1=$db/r1/$(fn 27117).wt
    fn2=$db/r2/$(fn 27217).wt
    
    # restart
    stop; start

    # drop collection
    sleep 5
    mongo --quiet $uri --eval 'print("drop:", db.c.drop())'

    # print member status so we can tell which is offending member
    sleep 5
    mongo --quiet $uri --eval '
        members = rs.status().members
        for (var i in members)
            print(members[i].name, members[i].stateStr)
    '

    # wait for all files to disappear
    # problem is reproduced if this waits forever
    while [[ -e $fn0 || -e $fn1 || -e $fn2 ]]; do
        ls -l $fn0 $fn1 $fn2
        sleep 1
    done
}