Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition
Reexamination Certificate
2005-10-18
2005-10-18
Hudspeth, David (Department: 2651)
Electrical computers and digital processing systems: memory
Storage accessing and control
Specific memory composition
C360S048000, C711S114000, C711S132000, C711S154000
Reexamination Certificate
active
06957302
ABSTRACT:
A system and method for performing write operations in a disk drive having a write stack drive is disclosed. The disk drive has two drives, a normal drive and a write stack drive. The write stack receives a write command from an array controller and performs write stack operations to store data from the write operations of the write command. The write stack drive includes a non-volatile stack cache memory comprising tracks to store the data. A metadata file identifies the current data stored within the write stack drive. The normal drive then executes the write operations of the write command.
REFERENCES:
patent: 5586291 (1996-12-01), Lasker et al.
patent: 5590298 (1996-12-01), Kawamoto
patent: 6112277 (2000-08-01), Bui et al.
patent: 6567889 (2003-05-01), DeKoning et al.
Figueroa Natalia
Hewlett--Packard Development Company, L.P.
Hudspeth David
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