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:
Sep. 08, 2009
Filed:
Oct. 06, 2006
Ambalavanar Arulambalam, Macungie, PA (US);
Jian-guo Chen, Basking Ridge, NJ (US);
Nevin C. Heintze, Bethlehem, PA (US);
Qian Gao Xu, Shanghai, CN;
Jun Chao Zhao, Shanghai, CN;
Ambalavanar Arulambalam, Macungie, PA (US);
Jian-Guo Chen, Basking Ridge, NJ (US);
Nevin C. Heintze, Bethlehem, PA (US);
Qian Gao Xu, Shanghai, CN;
Jun Chao Zhao, Shanghai, CN;
Agere Systems Inc., Allentown, PA (US);
Abstract
A method includes assigning each of a plurality of disk write and disk read requests to respective ones of a plurality of queues. Each queue has an occupancy level and a weight. A score is assigned to each of the plurality of queues, based on the occupancy and weight of the respective queue. An operation type is selected to be granted a next disk access. The selection is from the group consisting of disk write, disk read, and processor request. One of the queues is selected based on the score assigned to each queue, if the selected operation type is disk write request or disk read request. The next disk access is granted to the selected operation type and, if the selected operation type is disk write or disk read, to the selected queue.