A system for realizing automatic thin provisioning full allocation of storage system
A technology of automatic thin provisioning and storage system, which is applied in the system field of realizing automatic thin provisioning and full allocation of storage systems, can solve the problem of not being able to have thin recovery, etc., and achieve the effect of improving system architecture and increasing system functions
Active Publication Date: 2017-10-31
LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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[0008] The technical problem to be solved by the present invention is: in order to ensure the normal operation of thin provisioning, the full allocation of thin provisioning urgently needs to solve three problems, one is the allocation algorithm problem of full allocation of thin provisioning, in order to ensure the allocation of storage pool space Correctness, we need to design an accurate full allocation algorithm; the other is to solve the problem of concurrent access, to ensure the mutual exclusion of the full allocation of the same block in the same storage pool, avoid concurrent allocation of the same block, and ensure The uniqueness of the allocation block; the last one is to ensure the unique attribute of the fully allocated volume, because it is similar to the traditional attribute of the logical volume, so it cannot have the function of thin recovery, which ensures the permanence of the fully allocated attribute
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[0032] Below with reference to accompanying drawing, the present invention is further described by specific embodiment:
[0033] A system architecture for realizing the full allocation of thin provisioning in storage systems, which supports the full allocation of thin provisioning storage pool space in different operating systems.
[0034] In the automatic full allocation algorithm, the allocation of the actual storage space block of the storage pool is completed first, and then the mapping process of the storage pool to the block of the full allocation volume is completed to ensure the correctness of the full allocation process. For the full allocation process, the block management mechanism is adopted, allowing only one allocator for one data block, so that in the process of on-demand allocation, the concurrent operation of the same block is avoided, and the uniqueness of the allocated data block is guaranteed. In order to ensure the feature of full allocation under the auto...
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The invention discloses a system framework for realizing the automatic thin allocation and full allocation of storage systems. In the automatic full allocation algorithm, the allocation of the actual storage space blocks of the storage pool is completed first, and then the storage pool is completed to the full allocation volume. The block mapping process ensures the correctness of the full allocation process. For the full allocation process, a block management mechanism is adopted to only allow one data block to have one allocator, thus avoiding concurrent operations on the same block during the on-demand allocation process event occurs, to ensure the uniqueness of the allocation data block, in order to ensure the characteristics of full allocation under the automatic thin provisioning system, shield the thin recovery attribute of the full allocation volume, and ensure the permanence of the full allocation feature; adopt the present invention, can Realize the full allocation of thin provisioning storage pools, and allocate the space of thin provisioning storage pools in full according to user needs, and can automatically and efficiently complete the work of full allocation of thin provisioning storage pools.
Description
technical field [0001] The invention relates to a system architecture for realizing full allocation of thin provisioning in storage systems, which is usually used in storage systems and aims to provide a system architecture for full allocation of thin provisioning storage pool space. With this system architecture, the storage pool space specified by the user can be automatically and fully allocated, and the attributes of the created logical volume are similar to those of traditional logical volumes. The present invention can automatically and fully allocate thin-provisioned storage pool space according to the specified capacity, and can satisfy users' demands for using logical volumes with similar traditional attributes (non-thin-provisioned function) in the thin-provisioned system. technical background [0002] Thin provisioning storage solutions can provide large-capacity virtual drives to the operating system. The core of this technique is "voidless". Simply put, there ...
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IPC IPC(8): G06F12/02
Inventor 温源张宇文中领梁志诚
Owner LANGCHAO ELECTRONIC INFORMATION IND CO LTD