DATA PATH FAILOVER METHOD FOR SR-IOV CAPABLE ETHERNET CONTROLLER

DATA PATH FAILOVER METHOD FOR SR-IOV CAPABLE ETHERNET CONTROLLER

A method and an information handling system (IHS) provide data path failover for a single root input/output virtualization network interface controller (SR-IOV NIC) card. According to one aspect, an IOV failover module (FM) enables a physical function (PF) driver in a service virtual machine (VM) to...

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Hauptverfasser: Khemani Lucky Pratap, Rabeela Janorious
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator Khemani Lucky Pratap
Rabeela Janorious
description A method and an information handling system (IHS) provide data path failover for a single root input/output virtualization network interface controller (SR-IOV NIC) card. According to one aspect, an IOV failover module (FM) enables a physical function (PF) driver in a service virtual machine (VM) to access physical resources and configure virtual functions (VFs) within the SR-IOV NIC card. The IOVFM monitors data paths established between VMs and VFs. If a data path fails, the IOVFM initiates a failover by migrating a VF coupled to a failed data path to an alternate VF. However, if a threshold number of consecutive failed migration attempts occurs and the SR-IOV NIC card has an additional and available port(s), the IOVFM migrates the VF to an alternate VF of the available port. The IOVFM enables the VM to access and configure the alternate VF of the available port via a failover data path.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title DATA PATH FAILOVER METHOD FOR SR-IOV CAPABLE ETHERNET CONTROLLER
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