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Hard disk system granularity adjusting method and device, equipment and medium

An adjustment method and particle size technology are applied in the field of hard disk system particle size adjustment, electronic equipment and computer-readable storage media, and hard disk system particle size adjustment devices, which can solve problems such as poor performance of SSD, improve performance and reduce garbage collection. The number of operations, the effect of improving the writing speed

Pending Publication Date: 2022-04-08
SHENZHEN DAPU MICROELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when there are many valid data in the SSD and the disk is close to being full, multiple garbage collection operations are required to obtain a blank storage unit, which makes the performance of the SSD poor.

Method used

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  • Hard disk system granularity adjusting method and device, equipment and medium
  • Hard disk system granularity adjusting method and device, equipment and medium
  • Hard disk system granularity adjusting method and device, equipment and medium

Examples

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Embodiment Construction

[0064] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0065] For a solid-state drive (SSD), its IO (Input / Output, input and output) resources are usually used to write data sent by the host (ie host), or to perform internal garbage collection operations (Garbage Collection, GC). IO resources are limited, so when the SSD needs to perform a large number of garbage collection operati...

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Abstract

The invention discloses a hard disk system granularity adjusting method and device, electronic equipment and a computer readable storage medium. The method comprises the steps of obtaining state data of a storage space; judging whether the state data of the storage space meets a system granularity refining condition or not; if the system granularity refining condition is met, dividing the first blank storage unit into at least two second blank storage units; wherein each minimum controllable particle in each second blank storage unit is uniformly distributed to a plurality of channels and a plurality of chip selection signals; executing a garbage collection operation or a host write-in operation by using each second blank storage unit; according to the method, the GC efficiency in the full disk state is improved, the SSD writing speed of a host is further improved, the writing amplification condition is relieved, the garbage collection operation frequency needed for generating a blank storage unit is reduced, and the SSD performance is further improved.

Description

technical field [0001] The present application relates to the technical field of solid-state hard disks, and in particular to a method for adjusting the granularity of a hard disk system, a device for adjusting the granularity of a hard disk system, electronic equipment, and a computer-readable storage medium. Background technique [0002] Solid State Disk (Solid State Disk or Solid State Drive, SSD for short), also known as solid-state drive, is a hard disk made of an array of solid-state electronic memory chips. The solid-state disk deletes invalid data through garbage collection, freeing up blank storage units (such as super blocks, super blocks) to perform host write operations or perform garbage collection operations as written objects. However, when there are many valid data in the SSD and the disk is close to being full, it is necessary to perform multiple garbage collection operations to obtain a blank storage unit, which makes the performance of the SSD poor. Cont...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/02
Inventor 黄运新杨亚飞
Owner SHENZHEN DAPU MICROELECTRONICS CO LTD
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