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Data writing method of storage system and related device

A data writing and storage system technology, applied in the field of storage systems, can solve problems such as space consumption, unavailability, and inability to write data, and achieve the effect of avoiding space exhaustion and effectively adjusting

Pending Publication Date: 2021-06-25
SHANDONG YINGXIN COMP TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when a large amount of data continues to be written, the final space consumption speed will be much faster than the recovery speed, and the space in the storage device will be completely consumed, which will become unavailable, resulting in the inability to write data, and the reliability of the storage system will appear. question

Method used

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  • Data writing method of storage system and related device
  • Data writing method of storage system and related device

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Embodiment Construction

[0041] The core of this application is to provide a data writing method for a storage system, a storage system, a server, and a computer-readable storage medium, by dividing host data or migration data into multiple data blocks, and then using tokens in the token pool The data block to be written is processed so that the speed of data writing can be controlled through the token, so as to avoid the problem of exhaustion of storage space and improve the reliability of the storage system.

[0042] 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 a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiment...

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Abstract

The invention discloses a data writing method of a storage system, which comprises the following steps of: performing block completion processing on received host data or migration data to obtain a plurality of data blocks; judging whether a token of a type corresponding to a to-be-written data block in the plurality of data blocks exists in a token pool or not, wherein the number of each type of tokens in the token pool is obtained by adjusting performance parameters of the storage system; and if yes, taking out the token from the token pool, and performing write-in processing on the data block to be written in. By dividing the host data or the migration data into the plurality of data blocks and processing the to-be-written data blocks by using the tokens in the token pool, the data writing speed is controlled through the tokens, the problem that the storage space is exhausted is avoided, and the reliability of the storage system is improved. The invention further discloses a storage system, a server and a computer readable storage medium, which have the above beneficial effects.

Description

technical field [0001] The present application relates to the technical field of storage systems, and in particular to a method for writing data into a storage system, a storage system, a server, and a computer-readable storage medium. Background technique [0002] All-flash storage (all-flash storage) is an independent storage array or device entirely composed of solid-state storage media. Different from traditional storage systems, the data writing of all-flash storage is generally an append writing method, that is, when data is written to the same logical address, it is written in a new place every time, and the old data will not be overwritten, but passed through Garbage collection for processing. [0003] In the process of processing write IO (Input / Output), the all-flash storage adopts the implementation method of appending write and filling up stripes and flashing, so in the process of receiving and processing the data sent by the host, the space of the storage devic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/0614G06F3/064G06F3/0647G06F3/0658G06F3/0688
Inventor 刘志勇
Owner SHANDONG YINGXIN COMP TECH CO LTD
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