Storage device capacity management
US6195732A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1999 |
| Grant date | Feb 27, 2001 |
| Priority date | — |
| Expiry date | Jan 22, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0601
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In a data processing system comprising a host system and a memory device including a data storage medium of a predetermined size and corresponding capacity, a secure method of managing available capacity of the storage medium by: maintaining an authentication list comprising a plurality of entries including information uniquely identifying a plurality of memory devices; selecting a section of said data storage medium for data storage, said section having a size representing the available capacity of the memory device; and maintaining identification information in the memory device uniquely identifying the memory device. Further, in response to receipt in the host system of a request for changing the available capacity of the memory device: obtaining information from said memory device including said identifying information; searching said list to find an entry including identification information matching that obtained from the memory device to authorize said change; and if a match is found, then: generating a change command for directing the memory device to change said available capacity; sending the change command to the memory device; and the memory device executing said change…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.