Host bus adaptor (HBA) virtualization awareness for effective input-output load balancing

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United States of America Patent

PATENT NO 11630581
SERIAL NO

17089516

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Abstract

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An apparatus comprises at least one processing device that is configured to control delivery of input-output operations from a host device to a storage system over selected ones of a plurality of paths through a network. The at least one processing device is further configured to detect a reduction in performance of one or more of the input-output operations over one or more paths of the plurality of paths, to identify a physical initiator component corresponding to the one or more paths, and to notify the storage system about the reduction in performance and the identified physical initiator component. The at least one processing device is also configured to receive a notification from the storage system indicating one or more virtual initiator instances of a plurality of virtual initiator instances corresponding to the identified physical initiator component, and to deactivate the one or more virtual initiator instances.

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Patent Owner(s)

  • EMC IP HOLDING COMPANY LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Charles, Peniel Bangalore, IN 31 22
Crowley, Owen Carrigaline, IE 16 12
Kanjirathinkal, Joseph G Cary, US 10 4

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