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:
Jun. 20, 2023
Filed:
Jul. 14, 2021
Huawei Technologies Co., Ltd., Shenzhen, CN;
Peter Puhov, Shrewsbury, MA (US);
Robert Foley, Clinton, MA (US);
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A computer-implemented method for remote direct memory access (RDMA) by a distributed storage node includes receiving a request for an input/output (I/O) process associated with data. In response to the request, a memory segment shared between the operating system and a user process is allocated using an operating system driver of the node. The user process includes an I/O stack for processing the request. The shared memory segment includes a context memory portion storing context information associated with the I/O stack, a header memory portion storing header information for the I/O process, and a data memory portion for storing the data. The shared memory segment is registered for RDMA access with a target storage node. An RDMA transfer is performed between the shared memory segment and the target node to complete the I/O process. The shared memory segment is deallocated upon completion of the RDMA transfer.