from datetime import datetime, timedelta
import itertools
import subprocess

for i in itertools.count():
    d = datetime(2018,10,1)+timedelta(seconds=i*60)
    subprocess.run(["zfs", "snapshot", "-r", "data@" + d.strftime("%Y-%m-%d-%H-%M")])
    for j in range(1,21):
        subprocess.run(["midclt", "call", "replication.run", str(j)])