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Storage device, storage system, and computing equipment

A storage device and storage system technology, applied in memory systems, computing, information storage, etc., can solve problems such as inability to read data, and achieve the effect of suppressing the increase in data flow

Active Publication Date: 2018-04-27
키오시아가부시키가이샤
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the host issues a read command to read data immediately after the data is written, the data may not be read correctly from the nonvolatile memory chip
This problem is especially significant when the location of the data communicated between the host and the storage device is a physical location, since the storage device will need to read the data from the same physical location

Method used

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  • Storage device, storage system, and computing equipment
  • Storage device, storage system, and computing equipment
  • Storage device, storage system, and computing equipment

Examples

Experimental program
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Embodiment Construction

[0021] Details of the present disclosure are described below with reference to the accompanying drawings.

[0022] [Storage System]

[0023] figure 1 The configuration of the storage system 1 according to the embodiment is shown. The storage system 1 includes a host 3 , one or more storage devices 2 , and an interface 10 configured to connect the host 3 and each of the storage devices 2 . In this embodiment, the storage system 1 is as figure 2 2U storage device shown. That is, the host 3 and one or more storage devices 2 are accommodated in a housing having the size of a 2U storage device. Each of the storage devices 2 is a non-volatile storage device, such as a 2.5 inch form factor (facotr), 3.5 inch form factor, M.2 form factor or add-in card (AIC) form factor. In addition, in this embodiment, the interface 10 adopts a PCI Express (Peripheral Component Interconnect Express, PCIe) interface. Alternatively, the interface 10 may adopt any other technically feasible proto...

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PUM

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Abstract

A storage device includes a nonvolatile memory, a communication interface connectable to a host, and a controller. The controller is configured to carry out writing of data that is received through the communication interface at a physical location of the nonvolatile memory when a write command associated with the data is received through the communication interface, control the communication interface to return a first notification upon determining that the writing of data at the physical location of the nonvolatile memory has completed, and control the communication interface to return a second notification a predetermined period of time after the first notification has been returned.

Description

[0001] Cross References to Related Applications [0002] This application is based on and claims priority to US Nonprovisional Patent Application 15 / 296,812, filed October 18, 2016; the entire contents of which are hereby incorporated by reference. technical field [0003] The present disclosure generally relates to storage devices, storage systems, and computing devices. Background technique [0004] A storage system typically includes a host and one or more storage devices, each of which may include one or more non-volatile memory chips, such as NAND flash memory chips. In order to determine a physical location where data is stored using an identifier of data or a logical address of data, map data is stored in each of the storage devices or in a host, and the physical location of data is determined by referring to the map data. Specifically, in one type of storage system, such mapping data is stored in each of the storage devices, and the location of the data communicated...

Claims

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Application Information

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IPC IPC(8): G06F3/06G06F12/10
CPCG06F3/0613G06F3/064G06F3/0688G06F12/1009G11C11/5628G11C11/5635G11C11/5642G11C16/0483G11C29/028G11C29/42G11C29/82G11C2029/4402G06F12/0246G06F2212/1041G06F2212/222G06F2212/7201G06F3/0617G11C16/10G11C16/26G11C16/16G06F3/0659G06F3/0679G06F2212/214G06F2212/403G06F2212/7203G06F11/1068G11C29/52
Inventor 桥本大辅浅野滋博植木克彦野村胜幸
Owner 키오시아가부시키가이샤
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