DM-01: Share a common repository of data with a distributed user community

Executive Summary: 
A group of users, individually or collectively, build a collection of data and software code, which must be shared with and managed by a community of users using many XSEDE resources.
User Importance Summary: 
Shared access to data is necessary for scientific collaboration.
Target Communities and Sizes: 
Researchers - 10,000 < N < 100,000