The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 03, 2015
Filed:
Aug. 07, 2012
Bharadwaj Vellore Ramesh, Sunnyvale, CA (US);
Venkata Vijay Chaitanya Challapalli, San Jose, CA (US);
Rohini Raghuwanshi, Bangalore, IN;
Praveen Killamsetti, Milpitas, CA (US);
Sudhanshu Gupta, Bangalore, IN;
Bharadwaj Vellore Ramesh, Sunnyvale, CA (US);
Venkata Vijay Chaitanya Challapalli, San Jose, CA (US);
Rohini Raghuwanshi, Bangalore, IN;
Praveen Killamsetti, Milpitas, CA (US);
Sudhanshu Gupta, Bangalore, IN;
Netapp, Inc., Sunnyvale, CA (US);
Abstract
A method performed in a network storage system, the method including receiving a plurality of data blocks at a secondary storage subsystem from a primary storage subsystem, generating a first log that includes a first plurality of entries, one entry for each of the data blocks, in which each entry of the first plurality of entries includes a name for a respective data block and a fingerprint of the respective data block, receiving metadata at the secondary storage subsystem from the primary storage subsystem, the metadata describing relationships between the plurality of blocks and a plurality of files, generating a second log that includes a second plurality of entries, and merging the first log with the second log to generate a change log.