Storage system capacity expansion method, readable storage medium and computing equipment

A storage device and storage system technology, which is applied in the computer field to improve I/O throughput and facilitate management and maintenance.

Active Publication Date: 2020-05-29
河南文正电子数据处理有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, how to allocate storage resources, give full play to the respective advantages of solid-state hard d

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  • Storage system capacity expansion method, readable storage medium and computing equipment
  • Storage system capacity expansion method, readable storage medium and computing equipment

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Embodiment Construction

[0035] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0036] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0037] Such as figure 1 As shown, the embodiment of the present invention provides a schematic diagram of network architecture, which is used to assist in describing the method provided by the prese...

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Abstract

The invention provides a storage system capacity expansion method. The method comprises the steps that a management server receives a storage system capacity expansion instruction; the management server determines a preset first threshold value for data block distribution; the management server reallocates original data and dispersedly writes the data blocks with the access frequency exceeding a preset first threshold value into the solid state disks, and the difference between the total access frequency and the space occupancy rate of the data blocks between the solid state disks is lower than a preset second threshold value; and the management server dispersedly writes the data blocks of which the access frequencies are lower than a preset first threshold value into the mechanical hard disks, and the difference between the total access frequency of the data blocks between the mechanical hard disks and the space occupation ratio is lower than a preset third threshold value. The I/O performance of the whole system is effectively improved.

Description

technical field [0001] The present invention relates to the technical field of computers, in particular to a storage system expansion method, a readable storage medium and a computing device. Background technique [0002] With the development of information technology, digital assets have become the core assets of enterprises and institutions. During the operation process, enterprises and institutions continue to collect and generate a large amount of data. These data are of great value and require medium and long-term storage. Therefore, for Storage capacity is in strong demand. In business scenarios, these data also include some hot data, which need to be accessed frequently, and will also cause certain pressure on the I / O of the storage system. [0003] Solid-state drives are revolutionary products in the storage field in recent years. Their I / O efficiency is several times or even tens of times that of traditional mechanical hard drives, making them widely used in comm...

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/061G06F3/064G06F3/0689
Inventor 张国超郭丝嘉
Owner 河南文正电子数据处理有限公司
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