VSS writers, also referred to as Quantity Shadow Copy Service writers, are software program functions that create and handle shadow copies of information volumes. Shadow copies are point-in-time copies of a quantity that can be utilized for backup and restoration functions. VSS writers are an necessary a part of a complete information safety technique, as they permit companies to recuperate information within the occasion of a system failure or information loss.
VSS writers work by intercepting write requests to a quantity and creating a replica of the info earlier than it’s written to the quantity. This ensures {that a} constant copy of the info is all the time obtainable, even when the unique information is misplaced or corrupted. VSS writers can be utilized to create shadow copies of each native and distant volumes, and they are often configured to create shadow copies on a scheduled foundation or on-demand.