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:
Mar. 17, 2020
Filed:
Feb. 02, 2018
Applicant:
Emc Ip Holding Company Llc, Hopkinton, MA (US);
Inventors:
Geng Han, Beijing, CN;
Jibing Dong, Beijing, CN;
Jian Gao, Beijing, CN;
Xinlei Xu, Beijing, CN;
Jamin Kang, Beijing, CN;
Naizhong Chiu, Newton, MA (US);
Assignee:
EMC IP Holding Company LLC, Hopkinton, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0659 (2013.01); G06F 3/0613 (2013.01); G06F 3/0689 (2013.01);
Abstract
There is disclosed techniques for queuing I/O requests on Mapped RAID. The techniques comprising queuing a pending I/O request in a queue. The techniques also comprising determining that sufficient credits are available to enable a number of storage devices of a plurality of storage devices in a Mapped RAID group to process the pending I/O request. The techniques further comprising processing the pending I/O request upon determining that there is sufficient credits.