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:
Aug. 01, 2018
Emc Ip Holding Company Llc, Hopkinton, MA (US);
EMC IP Holding Company LLC, Hopkinton, MA (US);
Abstract
Moving from a back-to-back topology to a switched topology in an InfiniBand network includes, prior to connecting a switch for a first storage controller in the network and during reboot of the first storage controller, waiting for a second storage controller in the network to become master, and upon the second storage controller becoming master, changing cache files for local ports on the first storage controller regarding adjacent ports' LID assignments. An aspect further includes restarting a system manager for the first storage controller, connecting the first storage controller to the system with new LID assignments provided by changed files on first storage controller, and upon the first storage controller becoming active, rebooting the second storage controller, changing the LID assignments in the active storage controller, and adding new switches to the system.