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. 11, 2005
Filed:
Oct. 30, 2002
Douglas E. Lecrone, Hopkinton, MA (US);
Paul A. Linstead, Shrewsbury, MA (US);
Daniel A. Murphy, Hopkinton, MA (US);
Denis E. Hall, Chelmsford, MA (US);
Raymond Wong, Brookline, MA (US);
Eugene D. Pflueger, Medfield, MA (US);
Kevin C. Heasley, Franklin, MA (US);
Michael E. Specht, Acton, MA (US);
Stewart C. Woodworth, Iii, Weston, MA (US);
Douglas E. Lecrone, Hopkinton, MA (US);
Paul A. Linstead, Shrewsbury, MA (US);
Daniel A. Murphy, Hopkinton, MA (US);
Denis E. Hall, Chelmsford, MA (US);
Raymond Wong, Brookline, MA (US);
Eugene D. Pflueger, Medfield, MA (US);
Kevin C. Heasley, Franklin, MA (US);
Michael E. Specht, Acton, MA (US);
Stewart C. Woodworth, III, Weston, MA (US);
EMC Corporation, Hopkinton, MA (US);
Abstract
A data-mirroring method in which, while an I/O process is processing a first I/O request for writing data to a first device, control is obtained from that I/O process executing on a host computer. A second I/O request, this one for writing the data to the second device, is then created. Then, control is returned to the I/O process by causing the first I/O request to be made available to a first data storage system managing the first device.