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:
Aug. 01, 2017

Filed:

Dec. 30, 2015
Applicant:

Teradata Us, Inc., Dayton, OH (US);

Inventor:

Gary Lee Boggs, San Diego, CA (US);

Assignee:

Teradata US, Inc., Dayton, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01); G06F 17/30 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0631 (2013.01); G06F 3/0604 (2013.01); G06F 3/0689 (2013.01); G06F 17/30336 (2013.01); G06F 17/30595 (2013.01);
Abstract

A system and method for allocating storage devices within a multi-node data storage system. The system maintains a data structure including a generation number indicating an incarnation of the data structure, a highest cylinder ID index value observed to be in use within the data storage system, and a safe index value indicating a lowest cylinder ID index value for use when allocating a new cylinder index. Following receipt of an allocation request, the system assigns a cylinder ID index to the allocation request, the cylinder ID index being greater than the safe index value. The assigned cylinder ID index is compared to the highest cylinder ID index value observed to be in use within said data storage system, and when the cylinder ID index is greater than the highest cylinder ID index value, increments the generation number and highest cylinder ID index value maintained within the data structure.


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