Patent ID: 9507664
Filing Date: 2016-11-29
CPC Classification: G06F

Claim Text:
1. A storage system comprising: a plurality of storage units each containing a plurality of storage devices; a management device for managing storage devices contained in the plurality of storage units; and an information processing apparatus including: a first processor configured to receive allocation of storage devices by the management device, each of the allocated storage devices being contained in different storage units of the plurality of storage units, configure a group by involving the allocated storage devices, detect a failure of a first storage device included in the group, the first storage device being contained in a first storage unit of the different storage units, determine whether a location of the failure of the first storage device is in the first storage device itself or in a disk enclosure of the group, receive allocation of a second storage device from a second storage unit of the different storage units, the second storage unit being different from the first storage unit, reconfigure the group by involving the second storage device in place of the first storage device based on whether the location of the failure of the first storage device is in the first storage device itself or in the disk enclosure of the group, in response to the group being reconfigured by involving the second storage device, receive allocation of a third storage device from a third storage unit of the plurality of storage units, the third storage unit being different from the first storage unit and the second storage unit and being a storage unit in which a failure has not been detected, and replicate the second storage device in the third storage device.