(19)
(11) EP 2 898 424 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
21.08.2019 Bulletin 2019/34

(45) Mention of the grant of the patent:
17.07.2019 Bulletin 2019/29

(21) Application number: 12884949.4

(22) Date of filing: 19.09.2012
(51) International Patent Classification (IPC): 
G06F 16/174(2019.01)
(86) International application number:
PCT/US2012/056032
(87) International publication number:
WO 2014/046650 (27.03.2014 Gazette 2014/13)

(54)

SYSTEM AND METHOD FOR MANAGING DEDUPLICATION USING CHECKPOINTS IN A FILE STORAGE SYSTEM

SYSTEM UND VERFAHREN ZUR VERWALTUNG EINER DEDUPLIKATION DURCH VERWENDUNG VON CHECKPOINTS IN EINEM DATEIENSPEICHERSYSTEM

SYSTÈME ET PROCÉDÉ POUR GÉRER LA DÉDUPLICATION À L'AIDE DE POINTS DE CONTRÔLE DANS UN SYSTÈME DE STOCKAGE DE FICHIERS


(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(43) Date of publication of application:
29.07.2015 Bulletin 2015/31

(73) Proprietor: Hitachi Vantara Corporation
Santa Clara, CA 95054 (US)

(72) Inventors:
  • BERRINGTON, Neil
    San Jose, CA 95112 (US)
  • LAL, Namita
    Palo Alto, CA 94301 (US)
  • SHARMA, Gaurav
    San Jose, CA 95124 (US)

(74) Representative: MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB 
Paul-Heyse-Strasse 29
80336 München
80336 München (DE)


(56) References cited: : 
US-A1- 2009 192 978
US-A1- 2010 114 842
US-A1- 2011 178 996
US-A1- 2010 094 817
US-A1- 2011 145 207
US-A1- 2011 258 404
   
  • YOSHIHIRO TSUCHIYA ET AL: "DBLK: Deduplication for primary block storage", MASS STORAGE SYSTEMS AND TECHNOLOGIES (MSST), 2011 IEEE 27TH SYMPOSIUM ON, IEEE, 23 May 2011 (2011-05-23), pages 1-5, XP031997554, DOI: 10.1109/MSST.2011.5937237 ISBN: 978-1-4577-0427-7
  • AL-KISWANY S ET AL: "stdchk: A Checkpoint Storage System for Desktop Grid Computing", DISTRIBUTED COMPUTING SYSTEMS, 2008. ICDCS '08. THE 28TH INTERNATIONAL CONFERENCE ON, IEEE, PISCATAWAY, NJ, USA, 17 June 2008 (2008-06-17), pages 613-624, XP031303724, ISBN: 978-0-7695-3172-4
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).