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公开(公告)号：US20200174685A1
公开(公告)日：2020-06-04
申请号：US16524920
申请日：2019-07-29
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sang-Geol Lee , Hyun-Woon KIM , Eun Woo JANG
Abstract: A storage device includes a nonvolatile memory device including a storage space, and a controller that is configured to divide and manage the storage space of the nonvolatile memory device into a user area and a meta area and to provide access to the user area to a host device. Responsive to receiving Redundant Array of Inexpensive Disks (RAID) spare information from the host device, the controller is further configure to select a RAID spare area from the user area based on the RAID spare information and to use at least a portion of the RAID spare area as an over provision area.
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