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:
Jun. 07, 2011
Filed:
Dec. 26, 2007
Applicant:
Assaf Natanzon, Ramat-Gan, IL;
Inventor:
Assaf Natanzon, Ramat-Gan, IL;
Assignee:
EMC (Benelux) B.V., S.A.R.L., Luxembourg, LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
In one aspect, a method to convert a logical unit from a first encryption state to a second encryption state includes receiving a request to convert a logical unit from a first encryption state to a second encryption state, partitioning the logical unit into areas comprising a converted area, an unconverted area and a transition area, writing unconverted data in the transition area to a journal, converting the unconverted data from the first encryption state to the second encryption state and writing the converted data to the logical unit.