Device for, method of, and program for dynamically switching...

Details Device for, method of, and program for dynamically switching... Device for, method of, and program for dynamically switching...

2006-09-08

2009-02-10

Tsai, Henry W. H. (Department: 2184)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output data buffering

C710S061000

Reexamination Certificate

active

07490179

ABSTRACT:
A data writing device capable of dynamically switching between a write-through mode and a write-behind mode for writing transaction data into a disk including: a memory with a queue management table for managing a write disk queue and a write memory queue to store the transaction data; means for registering the write memory queue in the table when load exceeds a predetermined threshold value, and for deleting the write memory queue in the table when the load is below the predetermined threshold value; means for receiving the transaction data stored in the write disk queue, and writing the received transaction data into the disk; and means for receiving the transaction data stored in the write disk queue, and writing the received transaction data into a redundant memory.

REFERENCES:
patent: 5089958 (1992-02-01), Horton et al.
patent: 6192432 (2001-02-01), Slivka et al.
patent: 2006/0117143 (2006-06-01), Emerson et al.
patent: 07-072980 (1995-03-01), None
patent: 09-093265 (1997-04-01), None
patent: 09-146835 (1997-06-01), None

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