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:
Dec. 28, 2021
Filed:
Jun. 28, 2019
Emc Ip Holding Company Llc, Hopkinton, MA (US);
Lev Ayzenberg, Petakh-Tikwa, IL;
Zion Drori, Herzliya, IL;
EMC IP HOLDING COMPANY LLC, Hopkinton, MA (US);
Abstract
A method for storing progress data while replicating a snapshot is disclosed. The operations comprise: determining blocks in a storage object that are different between a first and a second snapshots, wherein the first snapshot corresponds to a first tree structure, and the second snapshot corresponds to a second tree structure; and replicating the second snapshot to a remote storage system, comprising replicating all the blocks in the storage object determined to be different between the first and the second snapshots, wherein the replicating further comprises: upon completion of replication of each data slice, determining nodes in the first tree structure that reference only already-replicated blocks; orphaning all such nodes in the first tree structure; and subsequently, updating the first tree structure, comprising merging the first tree structure and the second tree structure, wherein the first tree structure is updated upon completion of replication of each data slice.