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. 15, 2016
Filed:
Dec. 31, 2013
Emc Corporation, Hopkinton, MA (US);
Randall H. Shain, Wrentham, MA (US);
Roy E. Clark, Hopkinton, MA (US);
Alexandr Veprinsky, Brookline, MA (US);
Arieh Don, Newton, MA (US);
Philip Derbeko, Modiin, IL;
Yaron Dar, Sudbury, MA (US);
EMC IP Holding Company, LLC, Hopkinton, MA (US);
Abstract
A computer-executable method, system, and computer program product of managing a hierarchical data storage system, wherein the data storage system includes a first level of one or more hosts, a second level of one or more storage appliances, and a data storage array, the computer-executable method, system, and computer program product comprising receiving an I/O request from a first host of the one or more hosts, wherein the I/O request relates to a portion of data on the data storage array, analyzing the I/O request to determine a status of the portion of data on the data storage system, based on the determination, providing an update to a second host of the one or more hosts based on the I/O request, wherein the portion of data is cached on the second host of the one or more hosts, and processing I/O request by sending I/O request to data storage array.