| CPC G06F 3/0647 (2013.01) [G06F 3/0625 (2013.01); G06F 3/0683 (2013.01)] | 17 Claims |
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1. A pooled memory device, comprising:
a plurality of memory devices including a first memory device and a second memory device with at least one power supply configured to control a power supplied to each of the plural memory devices; and
a controller coupled to an interconnect device configured to provide, to at least one external device, the plurality of memory devices as plural logical devices, the controller configured to track available memory capacities of the first memory device and the second memory device and cut off the power supplied to an unused memory device among the first memory device and the second memory device,
wherein the controller is configured to, in response to a first request input from the at least one external device, migrate data from the first memory device to the second memory device and cut off the power supplied to the first memory device,
wherein the controller is further configured to notify, after migrating the data to the second memory device, the at least one external device of a location in which the migrated data is stored in the second memory device.
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