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. 08, 2006
Filed:
Sep. 18, 2003
Foster D. Hinshaw, Somerville, MA (US);
Vincent F. Femia, Northboro, MA (US);
Craig S. Harris, Acton, MA (US);
John K. Metzger, Westborough, MA (US);
David L. Meyers, Shrewsbury, MA (US);
Barry M. Zane, Wayland, MA (US);
Foster D. Hinshaw, Somerville, MA (US);
Vincent F. Femia, Northboro, MA (US);
Craig S. Harris, Acton, MA (US);
John K. Metzger, Westborough, MA (US);
David L. Meyers, Shrewsbury, MA (US);
Barry M. Zane, Wayland, MA (US);
Netezza Corporation, Framingham, MA (US);
Abstract
A disk is segmented into a first data segment and a secondary data segment. The secondary data segment stores a logical mirror of the first data segment of another disk. Fast access to data stored on the disk is provided by partitioning the disk such that the first data segment includes the fast tracks of the disk and the secondary data segment includes the slow tracks of the disk and forwarding all data requests to the first data segment. Upon detecting a failure, the logical mirror of data stored in the first data segment of the failed disk is accessible from the secondary data segment of a non-failed disk. The first data segment can be rebuilt quickly on another disk from the logical mirror stored in the secondary data segment.