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Method for realizing asynchronous full allocation of automatic thin provisioning of storage system

A thin provisioning and storage system technology, applied in the field of automatic thin provisioning and full allocation of storage systems, to achieve the effects of perfecting the system architecture, increasing system functions, and increasing speed

Active Publication Date: 2014-04-23
LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Simply put, there may not be so many actual physical storage devices, and the operating system thinks that there is such a large storage space

Method used

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  • Method for realizing asynchronous full allocation of automatic thin provisioning of storage system
  • Method for realizing asynchronous full allocation of automatic thin provisioning of storage system
  • Method for realizing asynchronous full allocation of automatic thin provisioning of storage system

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Embodiment Construction

[0035] Below with reference to accompanying drawing, the present invention is further described by specific embodiment:

[0036] A method for realizing automatic thin provisioning asynchronous full allocation of a storage system, comprising a storage pool and a full allocation volume, wherein the storage pool space occupies actual physical space, and the full allocation volume is a virtual drive provided to an operating system through virtual mapping, and Occupies actual physical space, and the storage pool provides storage space for fully allocated volumes. A storage pool can correspond to multiple fully allocated volumes, but the sum of the capacity of multiple fully allocated volumes cannot exceed the capacity of the storage pool. Users do not need to After the actual storage space of the fully allocated volume is fully allocated, the fully allocated volume can be used, and according to the size of the logical volume specified by the user, the space capacity corresponding to...

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Abstract

The invention discloses a method for realizing asynchronous full allocation of automatic thin provisioning of a storage system. In the method, a storage pool and full allocation volumes are adopted; the storage pool space occupies the practical physical space; the full allocation volumes are provided to a virtual driver of an operating system by means of virtual mapping, occupy the practical physical space, and are provided with storage spaces by using the storage pool; one storage pool can correspond to a plurality of full allocation volumes, but the total capacity of the full allocation volumes cannot surpass the capacity of the storage pool. A user can start using a full allocation volume without waiting for the completion of full allocation of the practical storage space of the full allocation volume, and corresponding space capacity of the storage pool space is asynchronously allocated to the full allocation volume at one time according to a logical volume capacity specified by the user. The automatic thin provisioning storage pool space is allocated automatically, asynchronously and fully according to a specified capacity, and the demand of the user on the use of similar traditional property logical volumes can be met in an automatic thin provisioning system.

Description

technical field [0001] The invention relates to a method for realizing automatic thin provisioning full allocation of storage systems, which is usually used in storage systems, and in particular to a method for asynchronous full allocation of thin provisioning storage pool space. technical background [0002] Thin provisioning is a capacity allocation technology. It does not allocate too much space to an application at one time, but allocates it to the application in small quantities multiple times according to the actual capacity required by the application. When the allocated capacity space is not enough due to the data growth generated by the application, the system will allocate a part of the storage space again from the back-end storage pool. [0003] Thin provisioning storage solutions can provide large-capacity virtual drives to the operating system. The core of this technique is "empty". Simply put, there may not be so many actual physical storage devices, and the ...

Claims

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Application Information

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IPC IPC(8): G06F3/06
Inventor 温源张宇梁志诚
Owner LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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