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:
Feb. 12, 2019
Filed:
Mar. 24, 2016
Emc Ip Holding Company Llc, Hopkinton, MA (US);
Satish Visvanathan, San Jose, CA (US);
Mahesh Kamat, San Jose, CA (US);
Rahul B Ugale, Santa Clara, CA (US);
Ganesh Karuppur Rajagopalan, San Jose, CA (US);
EMC IP Holding Company LLC, Hopkinton, MA (US);
Abstract
A method, article of manufacture, and apparatus for maintaining a cache index inside a deduplicated storage system is discussed. A determination is made to flush a cache buffer to the cache index, wherein both the cache buffer and the cache index comprise a plurality of cache buckets, wherein the cache buckets are stored on a plurality of logical data blocks. A write is initiated to at least one of the plurality of logical data blocks, wherein the write comprises at least one of the cache buckets. An error is received in response to the write request. The error is stored in a memory on the deduplicated storage system.