a .net data provider is a collection of objects used to communicate between a data source and a data set in other words a data provider is used to communicate with a data source i e database execute commands against the data source and then retrieve results from the data source
By default, the work item file attachment size limit is 2,048 kilobytes (2 MB). For information on how to change the attachment size limit, see How to: Set the Maximum Attachment Size for Work Items. Consider the implications carefully before changing the default attachment size limit. Changing the attachment limit value will alter the attachment size limit for all Team Foundation Server users.
A single NTFS volume of 16 TB is quite large, but there are use cases for drives this large. The issue is that the minimum allocation unit goes from 4K to 8K when the NTFS volume exceeds 16 TB. There is another threshold at the 32 TB level and more as the file system scales up.