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1. (WO2018119901) STORAGE SYSTEM AND SOLID STATE HARD DISK

Pub. No.:    WO/2018/119901    International Application No.:    PCT/CN2016/113088
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Fri Dec 30 00:59:59 CET 2016
IPC: G06F 13/16
Applicants: HUAWEI TECHNOLOGIES CO., LTD.
华为技术有限公司
Inventors: ZHOU, Meng
周猛
TANG, Kun
唐鲲
YANG, Jui-Yao
杨瑞耀
HYUN, Jea Woong
玄在雄
Title: STORAGE SYSTEM AND SOLID STATE HARD DISK
Abstract:
Disclosed is a storage system, comprising a controller (100) and a solid state hard disk (200). The solid state hard disk (200) includes a plurality of channels, wherein each channel is connected to a plurality of DIEs. The controller (100) is used for creating a plurality of segments in advance; choosing a first DIE from the plurality of DIEs; choosing a first segment from the plurality of segments and determining an available offset of the first segment; generating a write request, wherein the write request includes a write address, target data and the data length of the target data, with the write address including an identifier of a channel connected to the first DIE, an identifier of the first DIE, an identifier of the first segment and the available offset; and sending the write request to the solid state hard disk (200). The solid state hard disk (200) receives the write request and saves the target data according to the write address and the data length. By means of the storage system, the controller (100) can effectively use the storage space of the solid state hard disk (200).