System and method for performing write operations in a disk...

Details System and method for performing write operations in a disk... System and method for performing write operations in a disk...

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.

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