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Capacity adjusting method and related device

A capacity adjustment and capacity technology, applied in the direction of input/output to record carriers, file systems, special data processing applications, etc., to achieve the effect of improving system performance and reducing storage costs

Pending Publication Date: 2022-07-29
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the first method only considers the use of DRAM as memory in the integrated memory system, and still needs to flush the data in NVM down to meet data persistence, which brings additional overhead
The second method only considers the capacity ratio of the same storage medium between the same layer as persistent storage and as cache

Method used

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  • Capacity adjusting method and related device
  • Capacity adjusting method and related device
  • Capacity adjusting method and related device

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Embodiment Construction

[0036] Embodiments of the present application provide a capacity adjustment method and related apparatus, which are used to maximize the utilization of various types of storage media and meet the storage capacity requirements of storage media for different purposes under different services; The storage capacity of each storage medium for different purposes stores corresponding data, which greatly improves system performance and effectively reduces storage costs.

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to 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, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope...

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Abstract

The embodiment of the invention discloses a capacity adjustment method and a related device, which are applied to a storage system to maximize the utilization rate of various types of storage media and meet the capacity requirements on the storage media with different purposes under different businesses. And corresponding data is stored through the capacity of each storage medium under different purposes, so that the system performance is greatly improved, and the storage cost is effectively reduced. The method comprises the following steps: analyzing cold and hot attributes of data stored in a storage system to obtain the quantity of hot data and the quantity of cold data in the data; according to the number of the hot data and the number of the cold data, the capacity of a cache needed by the storage system and the capacity of a persistent memory needed by the storage system are determined, the cache needed by the storage system comes from the first storage medium set, and the persistent memory needed by the storage system comes from the second storage medium set; and adjusting the application of a storage medium contained in the storage system according to the capacity of the cache and the capacity of the persistent memory.

Description

technical field [0001] The embodiments of the present application relate to the technical field of data storage, and in particular, to a method for adjusting capacity and a related device. Background technique [0002] With the rapid development of storage media, the performance and cost of different storage media vary greatly, and there are many types of hot data in typical business scenarios. Therefore, the industry has developed a tiered concept of hybrid storage, that is, a small amount of hot data is placed on high-cost high-performance storage media, and a large amount of cold data is placed on low-cost low-performance storage media. Based on the read / write characteristics of data, high-performance storage media can be used for two purposes. Since writing hot data needs to be rewritten frequently, the persistent feature of persistent storage can be used to operate the writing hot data without brushing to the cold data layer; while reading hot data changes relatively m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06G06F16/17
CPCG06F3/0631G06F3/0673G06F3/0656G06F16/1727G06F3/0685G06F3/0665G06F3/0629G06F3/0608G06F12/0873G06F2212/313G06F2212/284G06F2212/261G06F2212/154G06F2212/1044G06F12/08G06F2212/217G06F2212/502G06F2212/7204G06F2212/7206G06F2212/225G06F2201/885G06F2212/601G06F11/3409G06F11/3034G06F11/3037
Inventor 黄增士潘浩
Owner HUAWEI TECH CO LTD
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