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:
Aug. 18, 2009
Filed:
Feb. 17, 2006
Michael Lewin, Modi'in, IL;
Yair Heller, Tel Aviv, IL;
Ziv Kedem, Tel Aviv, IL;
Shlomo Ahal, Tel Aviv, IL;
Assaf Natanzon, Ramat Gan, IL;
Evgeny Drukh, Rehovot, IL;
Michael Lewin, Modi'in, IL;
Yair Heller, Tel Aviv, IL;
Ziv Kedem, Tel Aviv, IL;
Shlomo Ahal, Tel Aviv, IL;
Assaf Natanzon, Ramat Gan, IL;
Evgeny Drukh, Rehovot, IL;
EMC Corporation, Hopkinton, MA (US);
Abstract
A system for consistent data recovery, including a storage area network (SAN) of initiator nodes and target nodes, wherein initiator nodes issue I/O requests and target nodes respond to I/O requests, the SAN being represented logically as a plurality of consistency groups of nodes, G, . . . , Gn, each consistency group representing at least one logical storage unit (LU), each LU acting as a target node within the SAN, at least one host device, each host device acting as an initiator within the SAN, each host device including a transmitter for issuing I/O requests to at least one LU, and each host device being associated with a host device agent, the host device agent including an interceptor for intercepting I/O requests issued by the host device, and a router for forwarding the intercepted I/O requests to a data protection appliance, a data protection appliance (DPA) acting as both an initiator node and a target node within the SAN.