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:
Jul. 23, 2013
Filed:
Dec. 07, 2010
Venkata Tatavarty, Sunnyvale, CA (US);
Venkata Tatavarty, Sunnyvale, CA (US);
Symantec Corporation, Mountain View CA, unknown;
Abstract
A system, method, and medium for implementing I/O fencing in a virtual machine cluster sharing virtual storage objects. A volume manager driver receives access requests from virtual machines directed to a virtual storage object such as a volume. The volume manager driver then translates the access request to point to a storage device underlying the volume. The access request includes keys and/or other group reservation data required to implement an I/O fencing method so as to prevent access to shared data by malfunctioning or non-responsive virtual machines.
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