Trim table data storage and recovery method and device and related equipment

A technology of saving method and restoring method, which is applied in the fields of trim table data saving, restoring method, device and related equipment, can solve problems such as slow restoration speed, data loss, and large amount of trim table data, so as to reduce restoration time and improve performance Effect

Active Publication Date: 2020-01-10
INSPUR SUZHOU INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003]However, because the trim table has a large amount of data, it cannot be fully saved within 20ms of power failure, which may easily lead to data loss
Moreover, recovery is slow

Method used

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  • Trim table data storage and recovery method and device and related equipment
  • Trim table data storage and recovery method and device and related equipment
  • Trim table data storage and recovery method and device and related equipment

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Embodiment Construction

[0051] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0052] see figure 1 As shown, it is an implementation flowchart of a method for saving trim table data provided by an embodiment of the present invention, and the method may include the following steps:

[0053] S110: When the solid state disk is running in the double rate synchronous dynamic random access memory (DDR), add the current change information of the trim table to the change amount data.

[0054] Th...

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Abstract

The invention discloses a trim table data storage method, including the steps: during the process in which a solid state disk runs in a DDR, adding the current change information of a trim table intothe change amount data; and if the change length of the current change information is greater than a preset length threshold value, generating unit storage data based on the current change amount data, writing the unit storage data into the flash, and storing the trim table in the operation process of the solid state disk, thereby ensuring that the trim table data can be smoothly stored into the flash from the DDR when the DDR is powered down. The invention further discloses a trim table data recovery method, carrying out corresponding recovery processing on different types of intervals, shortening the recovery time of the cell data on the solid state disk, and improving the performance of the solid state disk. The invention also discloses a trim table data storage and recovery device andrelated equipment, which have corresponding technical effects.

Description

technical field [0001] The invention relates to the technical field of computer applications, in particular to a trim table data saving and restoring method, device and related equipment. Background technique [0002] With the rapid development of computer technology, the use of solid-state drives has gradually increased. Solid State Drive, or Solid State Drive, can also be called a solid state drive. There are many kinds of metadata in solid-state drives, and the trim table is one of them. When the solid-state hard disk is running normally, the trim table exists in DDR (DDR SDRAM, Double Data Rate SDRAM, double-rate synchronous dynamic random access memory), and the data will be lost when the DDR is powered off. Therefore, the trim table will be removed from the DDR after power-off Store it in flash (flash memory, data will not be lost when power is off), and restore it to DDR when power is on. [0003] However, because the trim table has a large amount of data, it canno...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14
CPCG06F11/1441
Inventor 邓京涛
Owner INSPUR SUZHOU INTELLIGENT TECH CO LTD
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