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A block-level data de-restorage system

A storage system and data technology, applied in file system, electronic digital data processing, input/output process of data processing, etc., can solve problems such as unable to eliminate duplicate data blocks

Active Publication Date: 2019-03-08
广东昱辉通信技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This technology can cluster similar data to the same node, but cannot eliminate duplicate data blocks between nodes

Method used

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  • A block-level data de-restorage system
  • A block-level data de-restorage system
  • A block-level data de-restorage system

Examples

Experimental program
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Embodiment Construction

[0091] The invention discloses a block-level data deduplication storage system, such as figure 1 As shown, the block-level data deduplication storage system includes three modules: a data read-write module, a fingerprint query module and a container read-write module, and is also provided with a fingerprint routing table, a container routing table, an input buffer, a file buffer, a fingerprint buffer and data recovery buffer; the data read-write module includes a data backup method and a data recovery method; the data read-write module monitors the data backup or recovery request sent by the client on the network, and executes the data backup method or data recovery method response The data backup or restore request sent by the client.

[0092] The fingerprint query module includes a fingerprint query command, a fingerprint positioning command, a data block sub-index update command and a distributed fingerprint query command;

[0093] The container reading and writing module ...

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PUM

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Abstract

A block-level data de-restorage system includes a data read / write module, a fingerprint inquiry module and a container reading and writing module, The block-level data de-resetting storage system is arranged on the storage node, receives the data sent from the client, and each storage node can receive the data sent from the client and back up the data to the container storage pool, or recover thedesignated data from the container storage pool. The container storage pool is arranged on a disk device, and a data block sub-index and a container index are also installed on the disk device. The block-level data de-reduplication storage system adopts a block compression technology, eliminates duplicate data blocks in the storage node cluster, and clusters new data blocks with similar contents to the same storage node, which is beneficial to saving storage space and improving data processing and recovery performance.

Description

technical field [0001] The invention belongs to the technical field of computer storage backup, in particular to a block-level data deduplication storage system. Background technique [0002] With the explosive growth of data, data disaster recovery and backup are facing unprecedented challenges. On the one hand, traditional data protection technologies such as periodic backups, snapshots, continuous data protection, and versioned file systems generate a large amount of duplicate data, which accelerates data growth and forces the storage capacity of the backup system to expand continuously, causing enterprises to face huge costs Stress and data management challenges. On the other hand, due to the increasingly stringent requirements of applications for data protection, the backup window is gradually shortened, and a large amount of data needs to be backed up online and recovered immediately after failure, which places extremely high requirements on system throughput and netw...

Claims

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Application Information

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IPC IPC(8): G06F3/06G06F11/14G06F16/13
CPCG06F3/0641G06F3/0643G06F3/0647G06F3/067G06F3/0676G06F11/1453
Inventor 杨天明张敬孙伟黄平杨奕
Owner 广东昱辉通信技术有限公司
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