Dynamic magnetic information storage or retrieval – General recording or reproducing – Specifics of biasing or erasing
Reexamination Certificate
2010-10-12
2011-11-29
Negron, Daniell L (Department: 2627)
Dynamic magnetic information storage or retrieval
General recording or reproducing
Specifics of biasing or erasing
Reexamination Certificate
active
08068305
ABSTRACT:
When a disk sector is written to, a bit for the sector is set indicating that the sector will require secure data disposal (SDD) to be run on it. To save time during end of life disposal, SDD is executed only on sectors whose bits indicate that they have been written to. SDD can be executed on each dirty sector in one operation at end of life or incrementally during use as disk activity permits.
REFERENCES:
patent: 5265082 (1993-11-01), Gniewek et al.
Cromer Daryl Carvis
Locker Howard Jeffrey
Springfield Randall Scott
Holder Regina N
Lenovo ( Singapore) Pte. Ltd.
Negron Daniell L
Rogitz John L.
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