摘要 |
A computer system manages logical volumes as operation map including a volume ID of the logical volume and a plurality of pieces of a predetermined operating information (for example, a path setting, main-volume, sub-volume, permanent storage setting, and storage period setting), when an operation is added to the logical volume, corresponding operating information is set to addition and when the operation is released, the information is set to release, and at a time when a predetermined operating information is all set to release, a corresponding logical volume to the volume ID is detected as being deletable, thereby detecting the deletable the logical volume automatically.
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