TopicBackup & PRA →
Simple definition
The Windows mechanism that allows to create consistent shots while applications continue to work.
Technical definition
Volume Shadow Copy Service coordinates requesters, writers and providers to briefly freeze writes and produce a consistent volume snapshot.
What is it used for ?
Allow backup software to copy open files and some Windows applications.
Practical example
Backup software may ask VSS prepare SQL Server or file system before copying.
Common issues
- VSS Writer in error
- 2003 default
- Inadequate storage space in shadow
Related terms
Backup · Snapshot · Windows Service
Key takeaway: This entry explains the general operation of the term. Exact settings may vary depending on software, vendors and environments.