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OceanStor 9000 V300R005C00 File System Feature Guide 11

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Introduction

Introduction

This section describes the background, definition, purpose and benefits of InfoRevive features.

Background

A video surveillance system consists of cameras, transmission cables, storage devices, and a management platform. The video surveillance system is an important part of a security protection system. With its intuitive and accurate data, timely response, and rich content, video surveillance is widely applied in many scenarios. As the image processing and network technologies develop rapidly in recent years, requirements of video surveillance become diversified and systematic. Functions, such as remote access, centralized management, and massive storage, are getting more and more important.

As a component of a video surveillance system, the OceanStor 9000 can be used as a video data storage device that provides InfoRevive function, meeting customer requirements for reliable video data storage devices.

Definition

InfoRevive supports fault tolerance. When the number of faulty nodes or disks exceeds the upper limit, the system can still read part of data and continue to write data, ensuring data security and improving service continuity.

InfoRevive supports the following operation modes:

  • Read fault-tolerance mode

    When the number of faulty nodes or disks exceeds the upper limit, the system can still read part of damaged file data, enhancing data availability and security. This mode is applicable to scenarios where there are only read operations.

  • Read and write fault-tolerance mode

    When the number of faulty nodes or disks exceeds the upper limit, the system can still read and write part of damaged file data, enhancing service continuity and availability. This mode is applicable to scenarios where read and write operations co-exist.

Purpose and Benefits

Purpose and Benefits provided by the InfoRevive feature for users are listed in Table 9-1.

Table 9-1  Purpose and Benefits

Purpose and Benefits

Description

Fault-tolerance read and write

InfoRevive supports fault tolerance. When the number of faulty nodes or disks exceeds the limit, the system can still read part of data and continue to write data, ensuring service continuity.

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Updated: 2019-03-30

Document ID: EDOC1000101823

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