Automatic failover of a software-defined storage controller to handle input-output operations to and from an assigned namespace on a non-volatile memory device

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United States of America Patent

PATENT NO 11755438
APP PUB NO 20220318106A1
SERIAL NO

17219212

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Abstract

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An orchestration controller in a storage solution may establish namespaces, assign each namespace to a host, and establish software-defined storage controllers to handle input-output operations between the hosts and the namespaces. Each namespace is assigned to a given host and the input-output operations to and from the namespace are handled by a specific primary software-defined storage controller. In response to failure of the software defined controller, a secondary software-defined storage controller will take over handling of the input-output operations to and from the namespace. Also, in response to the failure of the software-defined storage controller, the host will direct subsequent input-output operations destined for the namespace to the secondary software-defined storage controller.

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Patent Owner(s)

Patent OwnerAddress
LENOVO GLOBAL TECHNOLOGIES SWITZERLAND INTERNATIONAL GMBHC/O BRIGHT LAW AG BUNDESPLATZ 9 ZUG 6300

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Caporale, Patrick L Cary, US 13 49
Cosby, David W Raleigh, US 21 130
Hebbar, Manjunatha Bangalore, IN 6 16
Vojnovich, Theodore B Raleigh, US 23 193
Yu, Anthony C Cary, US 4 57

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