Highly reliable disk controller

Details Highly reliable disk controller Highly reliable disk controller

2009-12-04

2011-11-29

Kindred, Alford (Department: 2181)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output command process

C710S029000

Reexamination Certificate

active

08069272

ABSTRACT:
Provided is a unit for protecting data with respect to data transfer between memories of a disk controller. The disk controller for controlling data transfer between a host computer and a disk drive includes: a channel unit having a channel memory; a cache unit having a cache memory, and a control unit for controlling the data transfer. The data transferred to/from the host computer is transferred in a packet between the channel memory and the cache memory, and The control unit for verifying consistency of information included in a header of the packet to be transferred to decide whether transfer can be permitted when the packet is transferred.

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Office Action for counterpart CN application number: CN200910258021.2, mailed on Jun. 21, 2011 w/ English translation.

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