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:
Nov. 17, 2020
Filed:
Nov. 29, 2017
International Business Machines Corporation, Armonk, NY (US);
Jesse P. Arroyo, Rochester, MN (US);
Ellen M. Bauman, Rochester, MN (US);
Timothy R. Block, Rochester, MN (US);
Christoper J. Engel, Rochester, MN (US);
Kaveh Naderi, Austin, TX (US);
Gregory M. Nordstrom, Pine Island, MN (US);
Harald Pross, Wildberg, DE;
Thomas R. Sand, Rochester, MN (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method, system and computer program product are provided for detecting state and sparing of optical Peripheral Component Interconnect Express (PCI-Express or PCIE) cable channels attached to an IO drawer. System firmware is provided for implementing health check functions and state detection and sparing functions. One or more optical cables are connected between a host bridge and an PCIE enclosure, each optical cable includes one or more spare optical channels. An identified failed optical channel is rerouted to the spare optical channel.