Write policy control method and apparatus

A strategy control and strategy technology, applied in the field of communication, can solve the problems of data loss, affecting the storage performance of the storage system, and inability to take into account the reliability of storage performance and data, and achieve the effect of improving storage performance.

Active Publication Date: 2015-11-18
HUAWEI CLOUD COMPUTING TECH CO LTD
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Among them, when the storage system uses the write-back method to process the write request, the storage performance of the storage system will be higher, but when an abnormal state occurs in the storage system, it may cause problems such as data loss
However, if the storage system uses the write

Method used

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  • Write policy control method and apparatus
  • Write policy control method and apparatus
  • Write policy control method and apparatus

Examples

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Example Embodiment

[0054] The embodiments of the present application provide a write strategy control method and device to dynamically control the write strategy for processing write requests based on the proportion of the cache in the storage system, which helps to balance the performance and reliability of the storage system in the process of processing write requests. Sex.

[0055] The technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of this application.

[0056] First, a write strategy control method according to an embodiment of the application is in...

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Abstract

Embodiments of the application provide a write policy control method and apparatus. The method comprises: obtaining the occupation ratio of caches in a storage system at current moment; and if determining that a preset policy triggering condition is currently met based on the occupation ratio of the caches, controlling the storage system to process a write policy of a write request into a target write policy, wherein the target write policy is a write policy converted under the triggering effect of the policy triggering condition. The method and the apparatus can give consideration to the data storage reliability and storage performance of the storage system.

Description

technical field [0001] The present application relates to the technical field of communication, and more specifically relates to a write policy control method and device. Background technique [0002] Currently, the storage system has two write strategies for processing write requests: write back and write through. Among them, write back means that after the write request reaches the cache of the storage system, a write success signal will be returned to the host of the storage system; Return a write success signal to the host. [0003] Wherein, when the storage system uses the write-back method to process the write request, the storage performance of the storage system will be higher, but when an abnormal state occurs in the storage system, problems such as data loss may be caused. However, if the storage system uses the write-through method to process write requests, although the storage reliability is improved, the storage performance of the storage system will be affec...

Claims

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Application Information

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IPC IPC(8): G06F3/06G06F12/08
CPCG06F3/06
Inventor 朱焱吴进会
Owner HUAWEI CLOUD COMPUTING TECH CO LTD
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