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. 17, 2011
Filed:
Dec. 12, 2008
Divya Jagadish, Bangalore, IN;
Anurag Sushil Chandra, Pune, IN;
Divya Jagadish, Bangalore, IN;
Anurag Sushil Chandra, Pune, IN;
LSI Corporation, Milpitas, CA (US);
Abstract
Hierarchical storage management (HSM) for redundant array of independent disks (RAID) which comprise a plurality of drive trays of different types is disclosed. In one embodiment, a method for hierarchically managing RAID which includes a plurality of drive trays of different types, includes writing data to a tray of a first type, periodically monitoring a use of the data, and moving the data to a tray of a second type if the use of the data yields less than a threshold value. Each one of the tray of the first type and the tray of the second type includes at least one hard drive, and a composite score of price, capacity, performance, and function of the tray of the first type which is higher than a corresponding composite score of the tray of the second type.
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