Tape mirror interface

Details Tape mirror interface Tape mirror interface

2007-06-26

2007-06-26

Bragdon, Reginald (Department: 2189)

Electrical computers and digital processing systems: memory

Addressing combined with specific memory configuration or...

Dynamic-type storage device

C711S112000, C711S150000, C711S162000, C711S168000

Reexamination Certificate

active

10715167

ABSTRACT:
A tape mirror interface comprises an input terminal coupled to at least one input node and capable of receiving data transfer requests, a plurality of output terminals coupled to a plurality of tape storage devices, and a control element coupled to the input terminal and plurality of output terminals. The control element presents the plurality of tape storage devices as separate media devices and selectively controls data transfer in a synchronous mode and a split mode. In the synchronous mode, writes to a target tape storage media are mirrored to a mirrored tape storage media. In the split mode, writes are written to tape storage devices independently.

REFERENCES:
patent: 5559764 (1996-09-01), Chen et al.
patent: 5611069 (1997-03-01), Matoba
patent: 5828820 (1998-10-01), Onishi et al.
patent: 6766412 (2004-07-01), Bolt

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