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. 21, 2000
Filed:
Dec. 22, 1997
Applicant:
Inventors:
Robert C Solomon, Kensington, NH (US);
Jeffrey A Blakeslee, Shrewsbury, MA (US);
Assignee:
EMC Corporation, Hopkinton, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
711114 ; 711148 ; 711152 ; 710200 ; 714-6 ;
Abstract
A data storage system has at least three data storage disks and a plurality of processing nodes in communication with the data storage disks. Each of the processing nodes shares access to the data storage disks, and each of the processing nodes includes a distributed lock manager that allows or denies access to selected stripes of data storage sectors on any of the data storage disks. Each of the processing nodes includes an interface to a private communication link to a single one of a plurality of host operating systems.