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:
Feb. 25, 2014
Filed:
Dec. 10, 2010
Brent C. Beardsley, Tucson, AZ (US);
Michael T. Benhase, Tucson, AZ (US);
Lokesh M. Gupta, Tuscon, AZ (US);
Sonny E. Williams, Tucson, AZ (US);
Brent C. Beardsley, Tucson, AZ (US);
Michael T. Benhase, Tucson, AZ (US);
Lokesh M. Gupta, Tuscon, AZ (US);
Sonny E. Williams, Tucson, AZ (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A system includes a cache and a processor coupled to the cache. The cache stores data in multiple storage tracks and each storage track includes an associated multi-bit counter. The processor is configured to perform the following method. One method includes writing data to the plurality of storage tracks and incrementing the multi-bit counter on each respective storage track a predetermined amount each time the processor writes to a respective storage track. The method further includes scan each of the storage tracks in each of multiple scan cycles, decrementing each multi-bit counter each scan cycle, and destaging each storage track including a zero count. Also provided are physical computer storage mediums including a computer program product for performing the above method.