Computer system using disk controller and operating service...

Details Computer system using disk controller and operating service... Computer system using disk controller and operating service...

2006-12-12

2006-12-12

Elamin, A. (Department: 2116)

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

C370S351000, C370S229000, C711S004000, C711S111000, C709S224000, C710S038000

Reexamination Certificate

active

07149886

ABSTRACT:
When there is an access passing between unit disk controllers, the band of a mutual connecting network must be very large in order to exhibit the performance sufficiently, so that the cost is increased. In the present invention, the access number of a logical volume is monitored, the change of an access path is suggested to an upper class device, and the logical volume is moved or copied to each unit disk controller, so that the mutual connecting network is used mainly for copy of the logical volume, thereby reducing the necessary band.

REFERENCES:
patent: 5233604 (1993-08-01), Ahmadi et al.
patent: 5912894 (1999-06-01), Duault et al.
patent: 6044075 (2000-03-01), Boudee et al.
patent: 6570867 (2003-05-01), Robinson et al.

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