Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method and system for recycling solid state disk junk and solid state disk controller

A solid-state hard disk and controller technology, applied in the storage field, can solve the problems of low garbage collection efficiency, capitalization and performance overhead, etc., to achieve the effect of improving garbage collection efficiency and reducing performance overhead

Active Publication Date: 2014-07-02
HUAWEI TECH CO LTD
View PDF4 Cites 36 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When this solution is used for garbage collection of solid-state drives, all valid data in the stripe needs to be moved, resulting in large write amplification and performance overhead, making garbage collection efficiency low

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method and system for recycling solid state disk junk and solid state disk controller
  • Method and system for recycling solid state disk junk and solid state disk controller
  • Method and system for recycling solid state disk junk and solid state disk controller

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0042] Solid-state hard disk is a kind of storage device constructed by Flash chip, solid-state hard disk controller is also a chip, such as FPGA, ASIC, etc., control the read and write access to the described solid-state hard disk by programming the chip in the solid-state hard disk controller or various operations. The solid-state hard disk controller and the Flash chip constituting the solid-state hard disk can be arranged on a PCB board, that is, present in the ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to the technical field of storage and discloses a method and system for recycling solid state disk junk and a solid state disk controller. The method includes the following steps that an order for recycling junk on a solid state disk is received; junk recycling strips needing to perform junk recycling are determined from multiple strips included by the solid state disk according to the order; junk recycling data blocks needing to perform junk recycling are determined from multiple data blocks which are included in the junk recycling strips; effective data in the junk recycling data blocks are written into data blocks of other strips, and the junk recycling data blocks are erased to obtain blank data blocks. The blank data blocks in the junk recycling strips are built to form a first logic sub strip, and strip management is performed on the first logic sub strip. According to the scheme, the recycling efficiency of the solid state disk junk can be improved, and performance expenditure is reduced.

Description

technical field [0001] The invention relates to the field of storage technology, in particular to a solid state disk garbage collection method, system and solid state disk controller. Background technique [0002] RAID (Redundant Array of Independent Disks, Redundant Array of Independent Disks) algorithm is a high-performance, high-reliability storage technology, by combining a series of individual disks in different ways, it provides logical storage for application terminals or terminal clusters. disk. Among them, the advantages of using RAID include: expanding disk capacity, improving disk read and write performance and data security. Specifically, the RAID technology has been widely used in various occasions of data storage, and commonly used RAID technologies include RAID0, RAID1, RAID5, RAID6, RAID10, and the like. [0003] Currently, in solid-state hard disks that use RAID algorithms to process data, the garbage collection mechanism mainly uses data relocation techno...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G06F12/02
CPCG06F12/0253G06F2212/1016G06F2212/214G06F2212/262
Inventor 陈建辉李挺
Owner HUAWEI TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com