A Method for Realizing Thin Provisioning Asynchronous Full Allocation of Storage System
A technology of automatic thin provisioning and storage system, which is applied in the field of automatic thin provisioning and full allocation of storage systems, and achieves the effects of increasing system functions, improving speed, and improving experience.
Active Publication Date: 2017-10-13
LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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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
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[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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The invention discloses a method for realizing automatic thinning configuration asynchronous full allocation of a storage system. Drives and occupy actual physical space. The storage pool provides storage space for fully allocated volumes. A storage pool can correspond to multiple fully allocated volumes, but the total capacity of multiple fully allocated volumes cannot exceed the capacity of the storage pool. You can start using the fully allocated volume without waiting for the actual storage space of the fully allocated volume to be fully allocated, and asynchronously allocate the space corresponding to the storage pool space to the full volume at one time according to the size of the logical volume specified by the user. Allocate volumes. The invention automatically, asynchronously and fully allocates the storage pool space of the automatic thin configuration according to the specified capacity, and can satisfy the user's requirement of using a logical volume similar to the traditional attribute in the automatic thin configuration 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 ...
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IPC IPC(8): G06F3/06
Inventor 温源张宇梁志诚
Owner LANGCHAO ELECTRONIC INFORMATION IND CO LTD