Magnetic-optical-electric hybrid storage system and data acquisition and storage method thereof

A technology of photoelectric hybrid and storage system, applied in the direction of input/output to record carrier, etc., can solve the problems of waste of resources and unreasonable allocation of storage resources, and achieve the effect of improving efficiency, improving utilization rate and ensuring reliability

Active Publication Date: 2015-08-19
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Under the large amount of data storage needs of users, the types of data are ever-changing. There are not only disc-affinity data, but also disk-affinity data. A single storage device cannot...

Method used

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  • Magnetic-optical-electric hybrid storage system and data acquisition and storage method thereof
  • Magnetic-optical-electric hybrid storage system and data acquisition and storage method thereof
  • Magnetic-optical-electric hybrid storage system and data acquisition and storage method thereof

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Embodiment

[0040] Example: such as figure 1 Shown is the hardware structure diagram of the magneto-optical hybrid storage system, such as figure 2 It is a schematic diagram of the system structure, and the system structure includes a memory, a solid-state disk storage area, a magnetic disk storage area, and an optical disk storage area.

[0041] The memory is composed of a global file address mapping area and a storage management area. The global file address mapping area stores a global file address mapping table for querying information such as file storage addresses; the storage management area is based on data access behaviors (mainly data access The heat) and the type of data, choose the appropriate physical storage location and data organization, control and manage the storage of data.

[0042]The solid-state disk storage area consists of several solid-state disks, which are used for data cache and storage of file data storage information. The solid-state disk storage area inclu...

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Abstract

The invention discloses a magnetic-optical-electric hybrid storage system which comprises an internal memory, a solid-state disk storage area, a magnetic disk storage area and an optical disc storage area. The three storage areas logically form unified storage space and maintain a global file address mapping table to allow a user or external program to perform data addressing and access in a unified and consistent manner. During data storage, a system storage management area automatically selects appropriate physical storage positions and data arrangement manners from the three storage areas according to data access behaviors. When access modes change, the storage management are dynamically selects the appropriate physical storage position and data arrangement manner to perform necessary data migration, and the whole process is transparent to external users. The magnetic-optical-electric hybrid storage system has the advantages that the problems of an existing storage system are solved, the storage features of three storage equipment are reasonably utilized, and data storage efficiency and resource utilization rate are increased.

Description

technical field [0001] The invention belongs to the technical field of hybrid storage, and more specifically relates to a magneto-optical hybrid storage system and a data acquisition and storage method thereof. Background technique [0002] With the rapid development of the Internet and related applications, information resources have grown explosively, and the amount of information transmitted through the network has continued to expand. With the rapid development of information technology, the demand for information storage has increased sharply, and the demand for storage system capacity has increased significantly. [0003] Traditional storage servers are generally based on a large number of disk or optical disk libraries, and solid-state disks are used as caches to build data storage systems. For data that requires a large amount of backup and infrequent access, it has CD affinity, and CD storage is usually used; for data that is frequently read and written, it has dis...

Claims

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Application Information

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IPC IPC(8): G06F3/06
Inventor 曹强姚杰李晓倩谢长生
Owner HUAZHONG UNIV OF SCI & TECH
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