1) ChemIT notifies group rep. of planned date.

2) Group rep. confirms there is no better date (or negotiates a better date, with ChemIT staff).

3) Group rep. notifies all users of cluster, using message crafted by ChemIT.

• Or, group rep. requests ChemIT send the email to all cluster users, on their behalf. Message sent to users' <NetID@cornell.edu> address.

4) The work day before the shut down, ChemIT sends a reminder.

5) When cluster is shutdown, ChemIT sends a statement to that affect.

6) ChemIT sends a status report if cluster not up when expected, providing new time estimate.

7) ChemIT sends a report when the server is again available.