Distributed background track processing

Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique

Reexamination Certificate

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Details

C711S147000, C711S152000, C711S154000, C711S162000, C711S203000, C707S793000, C707S793000, C707S793000, C707S793000, C707S793000, C707S793000, C709S208000, C709S217000, C709S229000, C714S002000, C714S004110, C714S006130, C714S020000, C714S021000, C714S769000, C714S770000

Reexamination Certificate

active

06944726

ABSTRACT:
Setting a plurality of table entries in a storage device includes subdividing the table entries into a N tasks, placing each of the N tasks in a memory location disposed within the storage device and accessible by a plurality of internal devices, the plurality of the internal devices accessing the memory location to retrieve at least one of the N tasks, and each of the plurality of the internal devices setting table entries corresponding to at least one of the N tasks retrieved from the memory location. Setting table entries may also include setting logical device table entries to indicate corresponding tracks contain invalid data in connection with operation of remote data transfer between multiple storage devices.

REFERENCES:
patent: 5206939 (1993-04-01), Yanai et al.
patent: 5742792 (1998-04-01), Yanai et al.
patent: 5845147 (1998-12-01), Vishlitzky et al.
patent: 5857208 (1999-01-01), Ofek
patent: 6052797 (2000-04-01), Ofek et al.
patent: 6665682 (2003-12-01), DeKimpe et al.

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