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:
Oct. 11, 2022
Filed:
Sep. 11, 2019
Emc Ip Holding Company Llc, Hopkinton, MA (US);
Peng Yin, Southborough, MA (US);
Ningdong Li, Acton, MA (US);
Jiahui Wang, Framingham, MA (US);
Shao Kuang Hu, Westborough, MA (US);
EMC IP Holding Company LLC, Hopkinton, MA (US);
Abstract
Distributed failover of a failed BE, and failback of the failed BE when it recovers, are described. A separate pool of memory may be reserved for each BE on a storage system. Each such pool may be further divided into sub-pools. When a BE fails, the one or more other active BEs on the storage system may be notified, and each such active BE may attempt to take ownership of one or more sub-pools of the BE and execute the one or more pending write operations of the failed BE. Upon completing execution of the pending write operations in a failed-over sub-pool, the ownership of the sub-pool may be returned to the failed BE. When the failed BE recovers, the recovered BE may attempt to take back control of one or more of its sub-pools.