Information processing system with redundant storage having...

Details Information processing system with redundant storage having... Information processing system with redundant storage having...

2007-08-14

2007-08-14

Peikari, B. James (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S170000, C711S162000, C714S006130, C714S005110

Reexamination Certificate

active

10384751

ABSTRACT:
Duplicate data are stored in separate storage units SU(0)16and the SU(1)26, respectively. The storage area in each of the SU(0)16and the SU(1)26is divided into master storage regions and sub storage regions each of which is allocated alternately to the storage units SU(0)16and SU(1)26in increments of fixed addresses. The store request is issued to both of the storage units SU(0)16and SU(1)26allocated the master storage region and the sub storage region, and the fetch request is issued to one of the storage units SU(0)16and SU(1)26allocated the master storage region from the RSC(0)34and RSC(1)44.

REFERENCES:
patent: 4993016 (1991-02-01), Richards
patent: 5193175 (1993-03-01), Cutts et al.
patent: 5481670 (1996-01-01), Hatashita et al.
patent: 6253301 (2001-06-01), Razdan et al.
patent: 6571350 (2003-05-01), Kurokawa et al.
patent: 2001/0016920 (2001-08-01), Chan
patent: 6-259336 (1994-09-01), None

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