Fujitsu Corporation

Satsuki Katano

Naohiro Tamura

An operation management device that comprises: a memory configured to store, for a plurality of nodes that each operate on one computer out of a plurality of computers included in a computer system and for a plurality of nodes capable of moving between the plurality of computers, operation suspension sequence data of the plurality of nodes, and data of operation suspension times needed for operation suspension of each of the plurality of nodes; and a processor configured to execute a procedure, the procedure comprising: from a timing earlier than suspending operation of the computer system and a timing earlier than a total sum of the operation suspension times of the plurality of nodes or greater, suspending operation of the plurality of nodes in an operation suspension sequence indicated by the operation suspension sequence data.

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Kawasaki, Japan

Satsuki Katano