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:
May. 05, 2009
Filed:
Jan. 30, 2007
Matthew J. Fairhurst, Winchester, GB;
Thomas W. Rickard, Ampfield, GB;
Matthew J. Fairhurst, Winchester, GB;
Thomas W. Rickard, Ampfield, GB;
International Business Machines Corporation, Armonk, NY (US);
Abstract
An apparatus operable with a host and a data storage component for detecting a storage device susceptible to failure under I/O workload is provided. The apparatus includes a selector component for selecting a pair of storage devices in the data storage component. A data migration control component is provided for initiating migration of data from a first to a second storage device of the pair of storage devices. An I/O workload mirroring component is provided for mirroring an I/O workload from a first of the pair of storage devices to a second of the pair of storage devices. A storage device failure detecting component for detecting failure of one of the pair of storage devices is also included. The selector component further comprises a timer component for periodically initiating the selecting.