Method and system for maintaining shadow copies of data...

Details Method and system for maintaining shadow copies of data... Method and system for maintaining shadow copies of data...

2007-02-06

2007-02-06

Peikari, B. James (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S162000, C711S147000, C714S006130

Reexamination Certificate

active

10680126

ABSTRACT:
In a multi-processor, multi-memory system, a technique designates portions of a local memory as being regions to be shadowed. A shadow control unit detects write operations to those regions designated for shadowing. The shadow control unit then executes a cloning of a write operation designated for a local memory region to be shadowed and provides the cloned data to a memory space in system memory which corresponds to the local memory region which is being shadowed.

REFERENCES:
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patent: 5603011 (1997-02-01), Piazza
patent: 5870097 (1999-02-01), Snyder et al.
patent: 6128728 (2000-10-01), Dowling
patent: 6725341 (2004-04-01), Peir et al.
patent: 2003/0028746 (2003-02-01), Durrant
patent: 2004/0111576 (2004-06-01), Arimilli et al.

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