Outboard back-up and recovery system with transfer of randomly a

Details Outboard back-up and recovery system with transfer of randomly a Outboard back-up and recovery system with transfer of randomly a

1984-03-05

1988-07-05

Zache, Raulfe B.

Boots, shoes, and leggings

364900, G06F 1312, G06F 1208, G06F 300

Patent

active

047559284

ABSTRACT:
A host connected outboard back-up and recovery system has a tape drive connected to a plural port solid-state cache memory which, in turn, is connected to a disk drive. Data to be backed-up can first be copied from the disk drive to the cache and then from the cache to the tape drive in back-up operations, so that the relative speeds of the disk drive and the tape need not be matched. An outboard controller controls flow of the data between the disk drive and the tape drive and additionally controls storage of the data on the tape, so that host computer involvement is avoided.

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W. C. Hoskinson et al., Multiprocessor Control of Cached Peripheral Systems, IBM Tech. Disclos. Bull., (vol. 26, No. 7A, Dec. 1973), p. 3399.

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