VSS writers, often known as Quantity Shadow Copy Service writers, are software program functions that create and handle shadow copies of knowledge 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 knowledge safety technique, as they permit companies to recuperate knowledge within the occasion of a system failure or knowledge loss.
VSS writers work by intercepting write requests to a quantity and creating a duplicate of the info earlier than it’s written to the quantity. This ensures {that a} constant copy of the info is all the time accessible, even when the unique knowledge 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.