Memory cache sharing in hybrid hard disk

Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition

Reexamination Certificate

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Details

C711S147000, C711SE12083, C711S113000, C710S052000

Reexamination Certificate

active

07890691

ABSTRACT:
A system allows one or more hybrid hard disks or any other storage devices to share a logical nonvolatile device formed by one or more non-volatile memory devices. The system comprises a control logic to reserve on a hybrid hard disk a space that corresponds to a non-volatile memory device in the hybrid hard disk and to use a space access instruction to access the non-volatile memory device. The control logic accesses the logical non-volatile memory device in an event that a content of a storage device is stored in the logical non-volatile memory device in response to an instruction to access the storage device.

REFERENCES:
patent: 6016530 (2000-01-01), Auclair et al.
patent: 2004/0225835 (2004-11-01), Coulson
patent: 2007/0038806 (2007-02-01), Recio et al.
patent: 2008/0005462 (2008-01-01), Pyeon et al.

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