Dynamic array error recovery

Details Dynamic array error recovery Dynamic array error recovery

1978-03-16

1983-09-13

Springborn, Harvey E.

Boots, shoes, and leggings

G06F 1300, G06F 1100

Patent

active

044046472

ABSTRACT:
Disclosed herein is a mechanism for use in a data processing system for recovering from errors detected when reading data from an array. At least two arrays, each of which may be a distinct portion of a single physical array, contain identical data. When data is written, it is written into both arrays. When data is read, it is read from one of the arrays. If an error is detected on readout, there will be a system retry and the other array will be accessed at the next read request. So long as no errors are detected, each successive read will be from the same array. An error detected on readout will cause the next read operation to access the other array.

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patent: 3681757 (1972-08-01), Allen et al.
patent: 3755791 (1973-08-01), Arzubi
patent: 3889237 (1975-10-01), Alferness et al.
patent: 3895353 (1975-07-01), Dalton
patent: 4010450 (1977-03-01), Porter et al.
patent: 4051461 (1977-09-01), Hashimoto

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