Patent ID: 6771444
Filing Date: 2004-08-03
Classification: G11B

Abstract:
A method for implementing adaptive reordering of data recovery procedure (DRP) steps in a direct access storage device (DASD) comprising the steps of:storing an initial set of DRP steps; storing a reorder table during operation of the DASD; said reorder table including data recovery data for each data head including successful predefined DRP step numbers; starting a DRP process, checking for a modified DRP step using said reorder table; responsive to not identifying said modified DRP step, setting file parameters for a DRP read operation based on a DRP step from said initial set of DRP steps; responsive to identifying said modified DRP step, setting file parameters for a DRP read operation based on a reordered DRP step; said reordered DRP step identified using said stored successful predefined DRP step numbers in said reorder table; and identifying a successful DRP read operation and updating said data recovery data in said reorder table.