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. 15, 2011
Filed:
Mar. 05, 2008
Veera A. Deenadhayalan, San Jose, CA (US);
Binny Sher Gill, Auburn, MA (US);
James Lee Hafner, San Jose, CA (US);
Leo Shyh-wei Luan, Saratoga, CA (US);
Veera A. Deenadhayalan, San Jose, CA (US);
Binny Sher Gill, Auburn, MA (US);
James Lee Hafner, San Jose, CA (US);
Leo Shyh-Wei Luan, Saratoga, CA (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method and system for cache-based dropped write protection in data storage systems are provided. An implementation involves detecting undetected write errors in a storage system, by writing data to a storage medium from a data cache; maintaining a copy of the data in the data cache until said data on the storage medium is validated or said data needs to be evicted from the data cache; and prior to eviction of said data from the data cache, maintaining metadata for said data in a metadata cache until the data written to the storage medium has been validated against the metadata.
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