| 摘要 |
Provided is an information system including a server apparatus having a virtualization control unit which implements a virtual machine, and a storage apparatus having a virtual logical volume management unit which provides a virtual logical volume (VLU) configured by using a real logical volume (RLU). In the system, the VLU is allocated to each of the virtual machines implemented in the same server apparatus, the RLUs configuring the VLU for each virtual machine differ depending on the virtual machine, an identifier of the virtual machine is added to an I/O request of the virtual machine, the I/O request with the identifier is transmitted to the storage apparatus, and the RLU as a target in the I/O request is identified based on the identifier by the storage apparatus.
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