Secure data disposal for disk drive
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...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
22.02.2011
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Subjects | |
Online Access | Get full text |
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Summary: | 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. |
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Bibliography: | Application Number: US20080028114 |