Invention Grant
- Patent Title: Systems, methods, and computer program products providing change logging in a deduplication process
-
Application No.: US14509892Application Date: 2014-10-08
-
Publication No.: US09170748B2Publication Date: 2015-10-27
- Inventor: Bharadwaj Vellore Ramesh , Venkata Vijay Chaitanya Challapalli , Rohini Raghuwanshi , Praveen Killamsetti , Sudhanshu Gupta
- Applicant: NetApp, Inc.
- Applicant Address: US CA Sunnyvale
- Assignee: NetApp, Inc.
- Current Assignee: NetApp, Inc.
- Current Assignee Address: US CA Sunnyvale
- Agency: Kacvinsky Daisak Bluni PLLC
- Main IPC: G06F7/00
- IPC: G06F7/00 ; G06F17/00 ; G06F3/06 ; G06F11/14

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.
Public/Granted literature
- US20150026424A1 SYSTEMS, METHODS, AND COMPUTER PROGRAM PRODUCTS PROVIDING CHANGE LOGGING IN A DEDUPLICATION PROCESS Public/Granted day:2015-01-22
Information query