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:
Aug. 31, 2004
Filed:
Mar. 05, 2002
Kamal Emile Dimitri, Tucson, AR (US);
John Edward Kulakowski, Tucson, AR (US);
Rodney Jerome Means, Tucson, AR (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
An accessor moveably disposed in a data storage and retrieval system, where that accessor includes an accessor controller, a work queue stored in the accessor controller, and an inventory stored in the accessor controller. Applicants' work queue comprises each work request provided to the data storage and retrieval system, and each work entry created by the accessor controller to perform a work request. Work requests may be received from attached host computer systems, from an operator input station, and/or from an import/export controller. A data storage and retrieval system which includes at least two of Applicant's accessors. A method to provide failover protection to Applicant's data storage and retrieval system in the event of a failure of one or more of Applicant's accessors.