Recovery method for a high availability data processing system

Details Recovery method for a high availability data processing system Recovery method for a high availability data processing system

1995-10-16

1997-03-25

Nguyen, Hoa T.

Boots, shoes, and leggings

364134, G01R 3128, G06F 1100

Patent

active

056153309

ABSTRACT:
A method is described for rapidly recovering a multi-processor data processing system from failure of a boot disk. Each data processing unit in the system has a private boot disk, and at least one shared disk. The processing units are interconnected so that each processing unit has access to its own private boot disk and also to the shared disks in all of the processing units. If the boot disk of one of the processing units fails, the system is temporarily reconfigured to connect a new boot disk in place of the shared disk in that processing unit. Another of the processing units is then operated to copy the contents of its own boot disk to the new boot disk.

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