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:
Oct. 18, 2005
Filed:
Apr. 11, 2002
John K. Walton, Mendon, MA (US);
Daniel Castel, Framingham, MA (US);
Kendell Alan Chilton, Marlborough, MA (US);
John K. Walton, Mendon, MA (US);
Daniel Castel, Framingham, MA (US);
Kendell Alan Chilton, Marlborough, MA (US);
EMC Corporation, Hopkinton, MA (US);
Abstract
A data storage system wherein end-user data is transferred between a host computer and a bank of disk drives through an interface. The interface includes a memory and a plurality of directors interconnected through an interface state data bus and a plurality of end-user data busses. At least one front-end one of the directors is in communication with the host computer and at least one rear-end one of the directors is in communication with the bank of disk drives. The interface state data bus section is in communication with: both the at least one front-end one and the at least one rear-end one of the directors; and to the memory. Each one of the plurality of end-user data buses has a first end coupled to a corresponding one of the plurality of directors and a second end coupled to the memory. The plurality of directors control the end-user data transfer between the host computer and the bank of disk drives through the memory in response to interface state data generated by the directors as such end-user data passes through the end-user data busses. The generated interface state data is transferred among the directors through the memory as such end-user data passes through the end-user bus.