SERVER DIRECT ATTACHED STORAGE SHARED THROUGH PHYSICAL SAS EXPANDERS

A system and method for servers to belong to a cascaded cluster of nodes (or servers) is disclosed. Servers share storage in common without the need of an external element such as a switch and or external storage device. SAS technology is used with direct attached drives in each node, and connection...

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Bibliographic Details
Main Authors VARCHAVTCHIK LUIZ D, KAUFMANN REID A, UNREIN JASON A
Format Patent
LanguageEnglish
Published 23.01.2014
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A system and method for servers to belong to a cascaded cluster of nodes (or servers) is disclosed. Servers share storage in common without the need of an external element such as a switch and or external storage device. SAS technology is used with direct attached drives in each node, and connections between each node, to emulate a SAN environment through a cascaded SAS topology. SAS HBAs each containing an SAS expander, connect elements internal to each server with elements external to each. This cascaded DAS clustering enables bi-directional traffic from each server in the cluster to all other servers and their attached drives.
Bibliography:Application Number: US201213550799