Patent 12067413 was granted and assigned to Hitachi, Ltd. on August, 2024 by the United States Patent and Trademark Office.
One or more storage devices store resource migration schedule information including a plurality of records. Each of the plurality of records indicating a migration source node and a migration destination node of each of one or more resources. One or more processors are configured to determine a priority of each of the plurality of records such that a record having locality after migration has a higher priority than a priority of a record without locality after migration. The locality is determined based on whether a virtual machine and a volume associated with each other in advance exist in the same node. The one or more processors are configured to determine a migration schedule of each of the plurality of records based on the priority of each of the plurality of records.