[FIXED INFRA-84] Completing the task by adjusting the threshold.

6/3 data is entirely from the post INFRA-83, so our average load should be 80-90GiB range per day. 150GiB would be still within 5TB/month allocation, so using 110GiB as a warning marker and 150GiB as the critical value.

      06/02/14     13.46 GiB |  151.41 GiB |  164.87 GiB |   16.01 Mbit/s
      06/03/14      6.95 GiB |   35.97 GiB |   42.92 GiB |    8.07 Mbit/s
     ------------------------+-------------+-------------+---------------
     estimated     13.47 GiB |   69.71 GiB |   83.18 GiB |