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Method and device for allocating capacity of storage pool

A technology of capacity allocation and storage pool, applied in the fields of communication and storage pool, it can solve the problem of low efficiency of storage pool capacity allocation, and achieve the effect of simple storage management, improving system performance and maximizing performance.

Inactive Publication Date: 2015-06-24
CHINA MOBILE GROUP SICHUAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to overcome the defect of low storage pool capacity allocation efficiency in the prior art, and according to one aspect of the present invention, a storage pool capacity allocation method is proposed

Method used

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  • Method and device for allocating capacity of storage pool
  • Method and device for allocating capacity of storage pool
  • Method and device for allocating capacity of storage pool

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Embodiment Construction

[0031] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0032] The present invention is specially aimed at the virtualization characteristics of the existing storage system and the storage pool capacity allocation method, adopts a new storage pool capacity allocation method and device, and encapsulates the disk group multiple times. The characteristics of the total capacity also have the following virtualization characteristics:

[0033] 1. The IO requests initiated by the final business system can be more evenly distributed among multiple disk groups to achieve the purpose of performance optimization.

[0034] 2. The encapsulated storage pool originates from multiple disk groups at the physical bottom layer of the storage. Different disk groups can strive for more storage ...

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Abstract

The invention discloses a method and device for allocating the capacity of a storage pool. The method includes: creating a storage pool of a magnetic disk pack and encapsulating the storage pool to be a virtual volume; monitoring the business data of the magnetic disk pack accessed by a business host and judging whether the business data is stored on an optimal storage layer; and conducting dynamic hierarchical processing on the storage pool if the business data is not stored on the optimal storage layer. The method and device for allocating the capacity of the storage pool can provide the maximum available capacity with the minimum space, improves the system performance through automatic data placement, and reduces the cost. All the storage resources are uniformly managed and allocated so that performance maximization and the power consumption minimization of the unit storage capacity can be realized and the storage and management can be faster and convenient.

Description

technical field [0001] The present invention relates to the technical field of storage pools in the field of communications, and in particular, to a storage pool capacity allocation method and device. Background technique [0002] Let me first introduce the relationship between the traditional disk group system and the business host, such as figure 1 As shown, under normal circumstances, the storage planner will divide the disk group into a logical unit number (Logical Unit Number, hereinafter referred to as LUN) as the basic unit according to the user's demand for storage space, and allocate enough LUNs to the user to map on the host superior. At this point, we assume that the read and write performance that server A can obtain is the baseline performance, and its value is 100%. [0003] When a user has multiple business systems, according to the traditional planning method, the storage structure will become figure 2 Structure. We can see that figure 2 The situation ...

Claims

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Application Information

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IPC IPC(8): G06F3/06
Inventor 杨孝平曾键杨慧陈刚刘三甦
Owner CHINA MOBILE GROUP SICHUAN
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