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:
Mar. 13, 2018
Filed:
Dec. 30, 2010
Walter A. O'brien, Iii, Westborough, MA (US);
Dennis Duprey, Raleigh, NC (US);
Walter A. O'Brien, III, Westborough, MA (US);
Dennis Duprey, Raleigh, NC (US);
EMC IP Holding Company LLC, Hopkinton, MA (US);
Abstract
A method includes receiving a copy command, by a primary data storage device, to copy a data portion stored on the primary data storage device to another location on the primary data storage device; determining, with a mirroring module, whether a local copy of the data portion is stored on a secondary data storage device and whether the another location on the primary data storage device is mirrored by the secondary data storage device, the secondary data storage device at least partially mirroring the primary data storage device; and if the local copy of the data portion is stored on the secondary data storage device and the another location is mirrored by the secondary data storage device, sending a second command to the secondary data storage device to copy the local copy of the data portion to another location on the secondary data storage device.