Insight's Automatic Volume Class Assignment
When importing a volume, Insight will try to guess a volume's class using keywords found in the volume's name.
These keywords are not case sensitive, and are checked in the order shown below. The first matched keyword will be used to determine the volume's class.
Velocity volume check
If the volume filename ends with any of the following AND either .su or .dugio, the specified class will be used.
Keywords class check
Otherwise, the presence of the first of any of the following keywords will cause the specified class to be selected.