Patent ID: 7636704
Filing Date: 2009-12-22
Classification: G06F,Y10S

Abstract:
1. A method of scheduling, on a first computer, an action to be performed on a content unit at a future time, wherein the first computer stores content units in a file system on the first computer, the file system having a plurality of directories arranged in a tree, comprising at least one root directory and a plurality of non-root directories that each has a parent directory, wherein at least one of the plurality of directories in the tree corresponds to a period of time subsumed by a period of time corresponding to its respective parent directory, the method comprising acts of: (A) in response to receiving a request to store a copy of a content unit previously stored on a second computer and storing the copy of the content unit on the first computer, storing, in at least one of the plurality of directories that corresponds to a period of time that includes the future time, information relating to the action, wherein the information relating to the action comprises information relating to deleting the content unit from the first computer; (B) determining, at a time related to the period of time that includes the future time, whether the information is stored in the at least one of the plurality of directories that corresponds to the period of time that includes the future time; and (C) when it is determined in the act (B) that the information is stored in the at least one of the plurality of directories that corresponds to the period of time that includes the future time, performing the action by sending a request from the first computer to the second computer to delete the content unit from the second computer.