Why were the permissible scale factors chosen?
The allowable scale factors (1 GB, 10 GB, 30 GB, 100 GB, 300 GB, 1000 GB) were chosen to provide a number of head to head comparison points between implementations, while allowing appropriate targeting of system configurations and market segments. Note that, with the exception of the missing 3 GB scale factor, the numbers constitute a series where each number is approximately three times larger than its predecessor.
