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:
Nov. 06, 2018
Filed:
Sep. 30, 2015
Emc Corporation, Hopkinton, MA (US);
Assaf Natanzon, Tel Aviv, IL;
Yair Cohen, Pardes Hana, IL;
EMC IP Holding Company LLC, Hopkinton, MA (US);
Abstract
A computer implemented method for reading signatures corresponding to a portion of data on a virtual machine disk on a production site, wherein reading the signature includes mapping the virtual machine disk offset into a physical storage offset, and reading the signature from the physical storage; sending the signature of the portion of data to a replication site; obtaining a mapping from a virtual disk to a physical disk at the replica site; issuing a command to write a portion of data corresponding to the signature to a the physical storage based on the mapping of the replica of the virtual machine disk on the replication site; determining if the command was successful; and based on a determination that the command was not successful, marking the locations corresponding to the signature for synchronization in a synchronization structure.