CPC G06F 11/1658 (2013.01) [G06F 12/0246 (2013.01); G06F 13/161 (2013.01)] | 20 Claims |
1. An operating method of a storage device that includes a plurality of nonvolatile memory chips, the method comprising:
providing, at the storage device, information of a capacity of each of the plurality of nonvolatile memory chips to an external host device;
receiving, at the storage device, a mode set request regarding a mapping configuration of a plurality of groups and information of the plurality of groups from the external host device;
performing a reset responsive to receiving the mode set request and the information of the plurality of groups;
mapping, at the storage device, the plurality of nonvolatile memory chips with the plurality of groups; and
configuring the plurality of nonvolatile memory chips to correspond to the plurality of groups, after performing the reset.
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