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Data compression and decompression card used for VTL platform

A data compression and decompression technology, applied in the direction of electrical digital data processing, instruments, etc., can solve the problems that tapes cannot meet the requirements of storage applications and data backup, weaken the advantages of VTL, and slow search time, so as to reduce the time of development and debugging , increase the competitive advantage and save cost

Inactive Publication Date: 2007-05-30
SAIANHANGZHOU MICRO SYST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] On traditional data storage servers, tapes are used to back up data. This method has a series of problems: the need for manipulator technology, the loading and unloading process of tape cartridges, slow seek time and low transfer rate. Traditional tapes have been far away. Can not meet the requirements of storage applications and data backup
Existing virtual tape library products use old IO bus standards, such as PCI and PCI-X, and are not efficient in data compression, thus greatly weakening the advantages of VTL

Method used

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  • Data compression and decompression card used for VTL platform
  • Data compression and decompression card used for VTL platform
  • Data compression and decompression card used for VTL platform

Examples

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Embodiment Construction

[0031] As shown in the figure, the card includes a PCI-Express bus circuit board, a VTL processing chip set on the PCI-Express bus circuit board, four LZS compression / decompression processing chips, and software development matching the card. platform, the LZS compression / decompression processing chip is respectively connected to the VTL processing chip through a 16-bit data bus. Described VTL processing chip is made of PCI-Express bus processing module, engine management unit, PCI-Express export management unit, PCI-Express entrance management unit, clock generating unit, reset signal generating unit, debugging unit, register unit, read control unit, write-back control unit, return packet control unit, and input / output access control unit, the PCI-Express bus processing module is connected to the PCI-Express entry management unit, and the PCI-Express entry management unit is connected to the input / output access control unit and the return packet control unit , the input and o...

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Abstract

A data compression and decompression inserted card used in the VTL platform that belongs to the data compression and decompression technical field. The characteristics include the PCI-Express bus wiring board, the VTL processing chip mounted on the PCI-Express bus wiring board, several LZS compression / decompression processing chips, and the software developing platform matched with the inserted card, the said LZS compression / decompression processing chips are connected with the VTL processing chip by the 16 bits data bus. The said data compression and decompression inserted card used in the VTL platform adopts the international new high speed bus PCI-Express to make the bandwidth of data transmission to 10Gbps; adopts the LZS compression technique to compress the data cosmically, the project also contains a Linux driver, and integrate with the host computer VTL platform, the inserted card has high performance of data compression and decompression, and high stability.

Description

technical field [0001] The invention belongs to the technical field of data compression and decompression, in particular to a data compression and decompression plug-in card for a VTL platform. Background technique [0002] In the information society, data is the most precious wealth in various fields. How to protect data safely and reliably is one of the most concerned issues of all enterprises, especially for enterprises that use a large amount of data, it is extremely important. After experiencing many global disasters, the business and political circles around the world have a deeper understanding of storage, and more companies have begun to pay attention to backup and storage to prevent the impact of data loss due to accidents , improve disaster recovery capability. For example: In the 9.11 incident, with the collapse of the World Trade Center, data worth nearly billions of dollars was lost at the same time. If these data were effectively ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/00
Inventor 王界兵
Owner SAIANHANGZHOU MICRO SYST
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