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:
Apr. 12, 2016
Filed:
Nov. 27, 2013
Infinidat Ltd., Hertzelia Pituach, IL;
Josef Ezra, Even Yehuda, IL;
Yechiel Yochai, Moshav Aviel, IL;
Ido Ben-Tsion, Ramat Gan, IL;
Efraim Zeidner, Haifa, IL;
Nir Schenkler, Haifa, IL;
INFINIDAT LTD., Herzliya, IL;
Abstract
There is provided a storage system and a method of identifying delta-data therein between two points-in-time. The method comprises: generating successive snapshots Sand Scorresponding to the two points-in-time; upon generating the snapshot S, searching the cache memory for data blocks associated with snap_version=i, thereby yielding cached delta-metadata; searching the SF mapping data structure for destaged data blocks associated with snap_version=i, thereby yielding destaged delta-metadata; and joining the cached delta-metadata and the destaged delta-metadata, thereby yielding delta-metadata indicative of the delta-data between points-in-time corresponding to the successive snapshots with Snap_ID=i and Snap_ID=i+1. The method operates with no need in copying, destaging to a dedicated location and/or any other special handling of data that needs to be transmitted to the RS system.