Cost Per Occurrence = (To + Td) x (Hr + Lr)
To = Time / Length of Outage
Td = Time Delta to Data Backup (How long since the last backup?)
Hr = Hourly Rate of Personnel (Calculate by monthly expenditure per department divided by the number of work hours.)
Lr = Lost Revenue per Hour (Applies if the department generates profit. A good rule is to look at profitability over three months and dividing by the number of work hours.)
Source:
WHITE PAPER: PROTECTING SHAREPOINT by Double Take
