High speed data transfer between mainframe storage systems

Electrical computers and digital processing systems: support – Digital data processing system initialization or configuration

Reexamination Certificate

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Details

C710S065000, C717S170000, C717S171000, C717S172000, C717S173000, C717S168000, C717S169000

Reexamination Certificate

active

07146494

ABSTRACT:
A local disk system in a local mainframe computer includes one or more local disk units. Data in at least one of the local disk units are backed-up to a designated remote disk unit in a remote disk system. Data transfer between the local disk system and the remote disk system occurs over a fixed block infrastructure to increase data transfer rates. Accordingly, variable-length data received in the local disk system and destined to be backed-up to a remote disk system are first converted to fixed-length data prior to transmission over the fixed block infrastructure. In the remote disk system, fixed-length data received over the fixed block infrastructure are converted back to variable-length format.

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