Patent ID: 6378037
Filing Date: 2002-04-23
Classification: G06F

Abstract:
In a system having at least one direct access storage device with at least one surface formatted in a plurality of concentric tracks, there being a respective transducer for each formatted surface, and wherein the direct access storage device has an associated electronic write cache memory, a method comprising:providing cache blocks on the at least one surface; storing data from an initiator to be written to the direct access storage device in the associated electronic write cache memory; whenever a direct access storage device seek operation is in progress, completing the seek operation and, during any latency time, writing at least some of the data stored in the electronic write cache memory to the cache blocks until all the data stored in the electronic write cache memory is written to the cache blocks; and after all the data stored in the electronic write cache memory is written to the cache blocks, notifying the initiator that the data has been written to the direct access storage device.