This is a moodle local plugin . It will work for moodle version > 3.5, however, you can try with modole above than 2.7

Problem Statement In moodle most of the reports are available either at system level or course level . This plugin provides Disk utilization stats by the categories , course and activites levels.

Solution

• This plugin comes with a capability that can be assigned at category level.
• person who has the capability at respective category, can view the stats for all the courses under that category and sub category on a single page.
• Admin can view for all reports
• All report links are mentioned under Site Administration for admin

get from github