Patent ID: 9330708
Filing Date: 2016-05-03
CPC Classification: G11B

Claim Text:
1. A computer-implemented method comprising: receiving a request to erase a set of record(s) recorded on a storage medium; identifying a data set (DS) corresponding to the set of record(s) to be erased from the storage medium, with the set of record(s) including a first record and a last record; reading, by a read head of a storage drive, a data set information table (DSIT) indicating location(s) of each record of the set of record(s) in the data set (DS); determining whether the data set (DS) includes a beginning of the first record; on condition that the data set (DS) includes the beginning of the first record, starting erasure by a write head of the storage drive; determining whether the identified data set (DS) includes an end of the last record; and on condition that the data set (DS) includes the end of the last record, stopping the erasure by the write head of the storage drive after erasing the data set (DS).