Distributed lock manager for file system objects in a shared file system

US8990954B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8990954-B2
Application numberUS-76591207-A
CountryUS
Kind codeB2
Filing dateJun 20, 2007
Priority dateJun 20, 2007
Publication dateMar 24, 2015
Grant dateMar 24, 2015

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Abstract

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A method and apparatus are provided for mediating access to a shared object in a naive computer system having a shared-nothing operating system layered on a shared file system. At least one primary token is utilized as a tool to mediate ownership of one or more shared objects in the naive system. A secondary token is created and utilized to mediate ownership of one or more shared objects. The secondary token created and utilized in limited circumstances, such as when the owner of the primary token ceases communicating with one or more requesters of the primary token.

First claim

Opening claim text (preview).

I claim: 1. A method for managing a shared file system comprising: establishing a primary token in shared data storage as an element to control access to an object in a shared file system in communication with at least two computer systems in a shared-nothing environment, including a first computer system having a first operating system in communication with a first interface and a second computer system having a second operating system in communication with a second interface, sa…

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What does patent US8990954B2 cover?
A method and apparatus are provided for mediating access to a shared object in a naive computer system having a shared-nothing operating system layered on a shared file system. At least one primary token is utilized as a tool to mediate ownership of one or more shared objects in the naive system. A secondary token is created and utilized to mediate ownership of one or more shared objects. The s…
Who is the assignee on this patent?
Cook Steven D, IBM
What technology area does this patent fall under?
Primary CPC classification G06F16/1774. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Mar 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).