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A data processing method and device

A technology of data processing and data, applied in the field of communication

Active Publication Date: 2014-10-29
XINHUASAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the existing alarm linkage storage technology, when the corresponding camera has been configured with a data storage plan, the monitoring data storage (key data storage) triggered by the alarm linkage storage is stored in the same storage resource as the normal data. When the next time the storage video is overwritten, Alarm data will be overwritten

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Embodiment Construction

[0069] In order to better understand the technical solutions provided by the embodiments of the present invention, the block file format of EC monitoring data storage and the definitions of key data and common data are briefly described below.

[0070] The block file format of EC video data storage can be as follows figure 2 As shown, the storage method of the block file is 16K as a storage unit, and the storage unit is used as the minimum unit to store the received data. Among them, when the data to be stored is greater than 16K, it can be divided into multiple storage units for storage; when the data to be stored is less than 16K, the remaining space of the storage unit can be filled up by filling 0 and so on.

[0071] In order to facilitate retrieval, a primary index and a secondary index are set in the block file system, and both the primary index and the secondary index contain time information. According to the first-level index, the space of 256M can be located, and a...

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Abstract

The invention discloses a data processing method and equipment. The data processing method comprises the following steps: a DM (Data Management) server receives a key data setting request, acquires a logical address of key data set by the request in a disk array of memory equipment, and sends a key data configuring request carrying the logical address to the memory equipment so as to instruct the memory equipment to configure the space of the disk array corresponding to the logical address to be unwritable. According to the data processing method and equipment, the safety of the key data storage is increased.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a data processing method and device. Background technique [0002] At present, an IPSAN (Internet Protocol Storage Area Network, Internet Protocol Storage Area Network) is generally used as a storage medium in a monitoring system. The monitoring data obtained by the monitoring camera is stored in the IPSAN. When the user needs to view the historical monitoring data, he can read the corresponding monitoring data from the IPSAN. [0003] Such as figure 1 As shown, it is a schematic diagram of a typical network architecture of an existing monitoring system, wherein EC (Encoder, encoder) is connected to IPSAN through iSCSI (internet Small Computer System Interface, Internet Small Computer System Interface), and the monitoring camera obtains The monitoring data is encoded and stored in IPSAN. When the user needs to view historical monitoring data, he can send a monit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08H04L29/12
Inventor 孙策陈乾业周迪
Owner XINHUASAN INFORMATION TECH CO LTD