A virtual block management method for solid state disk

A solid-state hard disk and management method technology, applied in the field of virtual block management, can solve the problems of data structure redundancy, total space waste, inefficiency in the process of virtual block allocation, use and recovery, etc., so as to reduce the waste of storage space and reduce The effect of complexity

Active Publication Date: 2020-11-20
INSPUR SUZHOU INTELLIGENT TECH CO LTD
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] There is redundancy in the data structure describing the virtual block. Due to the large number of virtual blocks in the solid-state disk, the waste of storage space of the virtual block will cause a large waste of total space; and the process efficiency of the allocation, use and recycling of virtual blocks is relatively low Low

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  • A virtual block management method for solid state disk

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Embodiment Construction

[0035] The core of the present invention is to provide a virtual block management method for solid state disks, which can reduce the waste of storage space and simultaneously make the process of virtual block allocation, use and recovery uniform and efficient.

[0036] In order to make the above objects, features and advantages of the present invention more comprehensible, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0037] In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways than those described here, and those skilled in the art can make similar extensions without departing from the connotation of the present invention. Accordingly, the invention is not limited to the specific implementations disclosed below.

[0038] Please refer ...

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Abstract

The invention discloses a virtual block management method for a solid state disk. The method includes: pre-establishing a data structure for describing virtual block information, and storing description information of each virtual block of the solid state disk into corresponding positions of the data structure; in electrification of the solid state disk, establishing a plurality of management linked lists according to the description information, stored in the data structure, of the virtual blocks of the solid state disk, storing corresponding virtual block data structure addresses into corresponding linked list items, and inserting into the management linked lists; in a running process of the solid state disk, when operations on the virtual blocks exist, taking virtual block data structure representing addresses from corresponding management linked lists, and finding virtual block information from corresponding addresses; after the operations on the virtual blocks are executed, putting the virtual block data structure addresses into corresponding linked lists according to the description information obtained after virtual block modification. Therefore, storage space waste is reduced, and virtual block distribution, utilization and recovery processes are unified and efficient.

Description

technical field [0001] The invention relates to the technical field of storage management, in particular to a virtual block management method for solid state disks. Background technique [0002] With the development of information technology, the storage of information data has become an important part of the development of information technology. [0003] At present, the storage of information data is mostly inseparable from solid-state hard drives. The storage space of solid-state hard drives is composed of multiple luns, and a lun contains several physical blocks (blocks). Due to the large number of blocks, it is more costly to record information on physical blocks alone. For storage space, solid-state hard drives are mostly composed of multiple physical blocks. Virtual blocks (virtual blocks, RAID blocks composed of physical blocks according to certain rules) are used to allocate and use blocks, and at the same time facilitate RAID management. The management of virtual ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06
CPCG06F3/0604G06F3/0665
Inventor 刘哲
Owner INSPUR SUZHOU INTELLIGENT TECH CO LTD
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