| 摘要 |
System availability is improved in a second storage system, connected to a first storage system, and having means for virtualizing devices within the first storage system as its own devices. When the virtual storage system or a storage management server detects a fault in the virtual storage system (1001), the management server investigates the range affected by the fault (1002), identifies a device for which measures must be taken, determines a transfer target device (1003) which accommodates the performance, reliability, and other attributes of the affected device, and issues a device transfer instruction for the virtual storage system (1004). In the virtual storage system, the data of the device specified by the instruction within the virtual storage system is transferred to a device, specified by the management server, within the system itself, or to a device within another virtual storage system.
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