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Data storage system and specific instruction execution method thereof

A data storage and instruction execution technology, applied in the field of data storage system and its specific instruction execution

Active Publication Date: 2020-10-30
ACCELSTOR TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, after the commonly used move command, the data storage system 10 must perform multiple read or write operations, and there is room for improvement in terms of the service life or efficiency of the data storage system 10.

Method used

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  • Data storage system and specific instruction execution method thereof
  • Data storage system and specific instruction execution method thereof
  • Data storage system and specific instruction execution method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] see figure 2 , is a structural diagram of the data storage system and a host system of the present invention. As shown in the figure, the present invention is applicable to a data storage device, such as a solid state disk (Solid State Disk; SSD), a flash drive (FlashDrive) or a disk array (Redundant Array of Independent Drives; RAID). The data storage system 30 having a physical storage memory (non-volatile memory) 35 includes a memory manager 39 electrically connected to a host system 40 and at least one physical storage memory 35, which can be used to communicate or store the host system 40 The logical sector address (Logical Sector Address; LSA) 31 taken is converted into logical blocks and logical pages, and the logical blocks and logical pages are correspondingly pointed to the physical blocks and physical pages of the physical storage memory 35, and the physical pages can be A physical storage unit 351 is formed, and each physical storage unit 351 has a physica...

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PUM

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Abstract

The present invention relates to a data storage system and a specific instruction execution method thereof applying to a memory storage system. When a memory manager receives an instruction coming from the host system, the memory manager will determine whether the instruction is a normal instruction or a specific instruction. If the instruction is the specific instruction, then interpreting a first logical sector address, a to-be-read data length and a second logical sector address of the specific instruction and copying the stored data in a first entity storage address pointed by a first logical sector address. In addition, moving the first entity storage address pointed by a first logical sector address to a second logical sector address. Only one specific instruction is needed to complete actions of the data reading and data movement.

Description

technical field [0001] The present invention relates to a data storage system and a specific command execution method thereof, which can be applied to data storage devices such as non-volatile memory, solid state hard disk, flash drive or disk array. Background technique [0002] Press, non-volatile memory (non-volatile memory) is widely used in various data storage devices due to its characteristics of mechanical structure, small size, low noise, anti-vibration, power saving and fast read and write speed, such as Solid State Disk (SSD), flash drive (Flash Drive) or disk array (Redundant Array of Independent Drives; RAID). [0003] Due to the product characteristics of non-volatile memory, a physical block (Physical Block) includes a plurality of physical pages (Physical Page), and a host system (such as a computer host) notifies a data to be written into the memory (write) When , it is written sequentially in units of physical pages or smaller sectors. Only the physical p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F12/02
Inventor 曹世强简廷芳张安男邱瀚辉
Owner ACCELSTOR TECH LTD