Patent ID: 8078813

Claim:
A method for a local storage device to facilitate storing recovery data, the method comprising: the local storage device receiving writes thereto; the local storage device accumulating chunks of data corresponding to writes thereto, wherein data written after a first time and before a second time is associated with a first chunk of data and data written after the second time is associated with a second chunk of data different than the first chunk of data; the local storage device providing the first chunk of data to a remote destination while accumulating writes for the second chunk of data; following providing the first chunk of data to the remote destination, the local storage device sending a message to the remote destination; in response to receiving a reply to the message, the local storage device transmitting the second chunk of data to the remote destination; the local storage device providing synchronous data to a local destination; and the local storage device providing an indicator to the local destination in connection with receiving the reply from the remote destination.