expects drives running locally
drives mirror --live test fejwthxe7fmpaeah8cocwmt7ba4h1kxq71wrtyk8dbgjsp3eth3o --storage /tmp/cortore
drives mirror --live fejwthxe7fmpaeah8cocwmt7ba4h1kxq71wrtyk8dbgjsp3eth3o test2 --storage /tmp/corestore2
then run python3 measure_latency.py
