| 摘要 |
A storage apparatus executes a duplication determination, which is a determination as to whether or not a second data, which is identical to a first data stored in a first file system, exists in a second file system, in a case where a migration process for migrating the first data to the second file system is to be performed, executes the migration process in a case where the result of the duplication determination is negative, and does not execute the migration process in a case where the result of the duplication determination is affirmative.
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