Method for file level remote copy of a storage device

Details Method for file level remote copy of a storage device Method for file level remote copy of a storage device

2006-05-16

2006-05-16

Amsbury, Wayne (Department: 2161)

Data processing: database and file management or data structures

Database design

Data structure types

C711S162000, C714S100000

Reexamination Certificate

active

07047261

ABSTRACT:
An object of remote copy can be specified in units of a file or a directory more detailed than in units of a volume. If a host computer issues a write request of a file to NASa, NASa references a source NAS of remote copy and a source directory of remote copy at each entry on a copy file table and determines whether the file to be written is an object of remote copy; if it is determined to be an object of remote copy, the file to be written is remotely copied to a target directory of remote copy of a target NAS thereof.

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