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:
Mar. 13, 2007
Filed:
Jun. 11, 2003
Lawrence C. Blount, Tucson, AZ (US);
Thomas C. Jarvis, Tucson, AZ (US);
Steven R. Lowe, Tucson, AZ (US);
David F. Mannenbach, Tucson, AZ (US);
Lawrence C. Blount, Tucson, AZ (US);
Thomas C. Jarvis, Tucson, AZ (US);
Steven R. Lowe, Tucson, AZ (US);
David F. Mannenbach, Tucson, AZ (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
An apparatus and a method to allocate device adapter bandwidth, where that device adapter is disposed in an information storage and retrieval system capable of communicating with one or more host computers, and where that device adapter interconnects a data cache with information storage devices. The data storage and retrieval system receives a plurality of requests from the host computers to read information from, or to write information to, information storage devices. The method determines a read/write request ratio and a non-volatile storage utilization ratio. The method allocates device adapter bandwidth based upon the read/write request ratio and/or the non-volatile storage utilization ratio.