Patent ID: 9575841
Date: 2017-02-21
CPC Classifications: G06F

Claim:
1. Apparatus associated with a filer entity that creates and exports to one or more storage service providers a structured data representation, the apparatus comprising: a processor; and computer memory storing computer program instructions executed by the processor (a) to configure a volume in at least one of the storage service providers to store the structured data representation; and (b) to selectively restore a point-in-time version of a local file system; wherein the structured data representation comprising one or more frames, wherein each frame is defined by a data structure that starts with a new root that represents a current version of the local file system, and that further includes a set of change events that have been generated as a result of modification to the local file system, wherein a given frame further represents a logical representation of a combination of a current version of the local file system and one or more prior versions of the local file system, the structured data representation being stored in the configured volume and adapted to be accessed and returned to the local file system as needed to restore the point-in-time version of the local file system by walking one and only one frame.