Filesystem replication using a minimal filesystem metadata changelog

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United States of America Patent

PATENT NO 9378216
SERIAL NO

12569496

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Abstract

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In general, the invention relates to replicating a source file system stored on a first memory by obtaining a first unread entry from a changelog associated with the source file system, querying the source file system using the first unread entry to obtain a current first object file status, a current first object file path, a current first parent directory status, and a current first parent directory path, determining, based on the querying, whether a first object file on the source file system has changed at some time after the execution of the first unread entry, if the first object file has not changed, performing a first action on a target file system, and if the first object file has changed, performing a second action on the target file system.

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Patent Owner(s)

  • ORACLE AMERICA, INC.;SUN MICROSYSTEMS, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Joseph, Manoj Paul Broomfield, US 2 13

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