Patent ID: 7788458
Filing Date: 2010-08-31
Classification: G06F

Abstract:
1. A method for obtaining records indicating when data is in a consistent state comprising: receiving one or more records and a relative ordering of each of said records, each of said records being associated with a file operation that modifies the data and having said relative ordering indicating, with respect to the other records, when the file operation occurs; receiving a request for a copy of the data in a consistent state; in response to receiving the request, performing processing to generate a marker at each of one or more occurrences of a predetermined time interval in order to perform an operation using a copy of the data that is in a consistent state and corresponds to said each occurrence, said processing including performing, for said each occurrence: receiving said one or more records at a target location including a copy of the data, wherein file operations corresponding to the portion of said one or more records up to said point indicated by the marker are applied to the copy of the data and application of any additional file operations that are subsequent to said point and correspond to others of said one or more records received at the target location is paused in order to perform said operation using a copy of the data in a consistent state corresponding to said point.