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, 2020
Filed:
Jul. 09, 2018
Cisco Technology, Inc., San Jose, CA (US);
Faraz Ahmed Shaikh, Sunnyvale, CA (US);
Swapnil Pimpale, Sunnyvale, CA (US);
Jyothir Ramanan, Sunnyvale, CA (US);
Ashwin Pednekar, San Jose, CA (US);
Mayuresh Vartak, Sunnyvale, CA (US);
Mallikarjunan Mahalingam, Cupertino, CA (US);
Krishna Yadappanavar, Saratoga, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
Presented herein are methodologies for implementing erasure coding in a distributed log structured storage system. A method includes receiving a write request for first data from a file system, selecting a physical sector on a selected storage device in an array of storage devices on which to store the first data, assigning a key to the physical sector, storing the key and an indication of the physical sector in a key-to-physical medium map, erasure coding the data, including generating parity data associated with the first data, writing the first data and the parity data as a data stripe to each storage device in the array of storage devices and, in response to receiving the write request, sending the key to the file system. Read, update, and delete procedures in the context of a log structured framework are also described.