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Data redundant backup method, data redundant backup system and storage node server based on cloud storage

A storage node and data redundancy technology, applied in the field of cloud storage, can solve problems such as insufficient timeliness, slow speed, complex logic, etc.

Active Publication Date: 2015-06-10
HANGZHOU HIKVISION DIGITAL TECH
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  • Claims
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Problems solved by technology

[0005] The existing solution realizes data redundancy by the application layer. According to the characteristics of the application layer, its logic is relatively complicated, and it is necessary to analyze the operation of the application layer layer by layer and send it to the bottom layer for implementation; Redundant backup is triggered only after the master device writes data successfully, which is not timely enough and slow

Method used

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  • Data redundant backup method, data redundant backup system and storage node server based on cloud storage
  • Data redundant backup method, data redundant backup system and storage node server based on cloud storage
  • Data redundant backup method, data redundant backup system and storage node server based on cloud storage

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example

[0065] See figure 2 , Is an example of a flowchart of initialization processing of data redundancy backup based on cloud storage of the present invention, which includes the following steps:

[0066] Step 201: The initialization application unit of the storage node server receives an initialization instruction from the main device, and selects a redundant device for the main device.

[0067] In step 202, the initialization application unit includes the main device GUID and the redundant device GUID in the redundant initialization command and issues them to the redundant drive unit.

[0068] Further, it is also possible to write the GUID of the main device to an agreed position in the redundant device, and write the GUID of the redundant device to an agreed position in the main device.

[0069] Step 203: The redundant drive unit sets the device status of the main device and the redundant device to the initializing state, and the redundant drive unit establishes and stores the mapping r...

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Abstract

The invention discloses a data redundant backup method, a data redundant backup system and a storage node server based on cloud storage. The method comprises the following steps: carrying out monitoring on a write operation command by the redundant driving unit of the storage node server; capturing the write operation command of writing data in main equipment by the redundant driving unit, and obtaining the global unique identification (GUID) of the main equipment; finding out corresponding redundant equipment GUID in the mapping relationship according to the main equipment GUID by the redundant driving unit; determining redundant equipment corresponding to the redundant equipment GUID to be online by the redundant driving unit, and writing data written into the main equipment in the redundant equipment. The scheme can realize real-time and quick redundant backup, and avoids logic complexity in the realization by adopting upper application.

Description

Technical field [0001] The present invention relates to cloud storage technology, in particular to a data redundancy backup method, system and storage node server based on cloud storage. Background technique [0002] Cloud storage refers to a storage solution that integrates a large number of storage devices in the network through application software through cluster applications, grid technology, and distributed self-storage file systems to work together to provide external data storage and business access functions. The cloud storage system includes a storage node server and multiple node devices for data storage. The storage node server is used for redundant management and maintenance of each node device in the system. The cloud storage system also includes other devices, such as an index server, which is used to quickly retrieve the information stored by the storage node server. [0003] In cloud storage, data redundancy backup is often involved, and the data of some node devi...

Claims

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Application Information

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IPC IPC(8): G06F11/14
Inventor 林鹏闫春汪渭春陈翟翟
Owner HANGZHOU HIKVISION DIGITAL TECH
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