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:
Apr. 27, 2004
Filed:
Jul. 25, 2000
Applicant:
Inventors:
Samuel M. Cramer, Sunnyvale, CA (US);
Scott Schoenthal, San Ramon, CA (US);
Assignee:
Network Appliance, Inc., Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/100 ;
U.S. Cl.
CPC ...
G06F 1/100 ;
Abstract
The invention provides a method and system in which a node in a 2-node high availability cluster can declare itself impaired. In doing so, an impaired node can self diagnose or request another node in the cluster assist in diagnosing the problem. An impaired node can then request another node takeover the impaired node's tasks whereby the impaired node is able to shut down gracefully.