Patent ID: 6263459
Filing Date: 2001-07-17
Classification: G11B

Abstract:
In a disk drive, a method for reassigning a defective data site on a disk surface during a write operation for writing a series of data blocks on the disk surface, the method comprising the steps of:providing a pool of spare data sites;providing a write error recovery procedure;executing the write operation to write the series of data blocks on the disk surface, and while the write operation is being executed:encountering a write error when writing one of the series of data blocks on the disk surface in a user data site;performing the write error recovery procedure to rewrite the one data block in the user data site and if the write error persists, writing the one data block to a spare data site within the pool of spare data sites;completing the write operation; thenreassigning the user data site where the write error was encountered to the spare data site within the pool of spare data sites.