Data recovery system capable of performing transaction processin

Details Data recovery system capable of performing transaction processin Data recovery system capable of performing transaction processin

1987-04-24

1989-03-21

Zache, Raulfe B.

Boots, shoes, and leggings

G06F 100

Patent

active

048150282

ABSTRACT:
For use in a computer system, a data recovery system comprises an information producing unit for producing block-up information for data blocks which must be recovered to before images after occurrence of a system failure. Before such data blocks are recovered, other data blocks are either subjected to a transaction processing program or stored in a data file without waiting completion of the data recovery. The data blocks for which the block-up information is produced, are either subjected to the transaction processing program or stored in the data file after a block-up releasing unit deletes the block-up information upon completion of the data recovery. The data recovery system is operable even upon occurrence of an additional system failure during progress of the data recovery.

REFERENCES:
patent: 4205374 (1980-05-01), Bardsley, III et al.
patent: 4393458 (1983-07-01), Fung
patent: 4598357 (1986-07-01), Swenson et al.

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