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.

Date of Patent:
Feb. 15, 2005

Filed:

Jun. 10, 2002
Applicants:

Whay Sing Lee, Newark, CA (US);

Nisha Talagala, Fremont, CA (US);

Inventors:

Whay Sing Lee, Newark, CA (US);

Nisha Talagala, Fremont, CA (US);

Assignee:

Sun Microsystemes, Inc., Santa Clara, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F012/00 ;
U.S. Cl.
CPC ...
Abstract

A data storage system is disclosed in which a 3-party hand-off protocol is utilized to maintain a single coherent logical image. In particular, the functionality of the data storage system is separated into distinct processing modules. There are at least three types of processing modules. These three kinds of processing modules function cooperatively to perform data storage operations via the 3-party hand-off protocol. At least two types of processing modules are required to cooperate in a hand-off manner to fully execute each data storage operation.


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