Single-Instance Store and SIS Backup

Single-instance store, or SIS, is an architecture designed to maintain duplicate files with a minimum of disk, cache, and backup media overhead. Single-instance store backup, or SIS backup, is an API that backup applications call to access the SIS architecture.

For more information, see the following topics:

• SIS Links and Reparse Points
• The SIS Common Store and Common-Store Files
• Advantages of Using SIS
• Backup Reference