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:
Sep. 19, 2023
Filed:
May. 24, 2022
Netapp, Inc., San Jose, CA (US);
Asif Imtiyaz Pathan, Sunnyvale, CA (US);
Parag Sarfare, San Jose, CA (US);
Ananthan Subramanian, San Ramon, CA (US);
Szu-Wen Kuo, Taipei, TW;
Santhosh Selvaraj, San Jose, CA (US);
Nikhil Mattankot, Pleasanton, CA (US);
NETAPP, INC., San Jose, CA (US);
Abstract
Failover methods and systems for a networked storage environment are provided. In one aspect, a read request associated with a first storage object is received, during a replay of entries of a log stored in a non-volatile memory of a second storage node for a failover operation initiated in response to a failure at a first storage node. The second storage node operates as a partner node of the first storage node. The read request is processed using a filtering data structure that is generated from the log prior to the replay and identifies each log entry. The read request is processed when the log does not have an entry associated with the read request, and when the filtering data structure includes an entry associated with the read request, the requested data is located at the non-volatile memory.