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OceanStor 9000 V300R006C00 File System Feature Guide 12

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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, and benefits of the Network Data Management Protocol (NDMP) backup feature.

Background

As digitalization develops, data becomes increasingly important. Users have demanding requirements for data security and call for methods of preventing data loss due to hardware failures or misoperation. Data backup is a method of reserving data. The reserved data can be used to recover damaged data when the system crashes, helping prevent data loss and ensure data security.

Definition

Network Data Management Protocol (NDMP) is an open protocol used to manage enterprise data. It defines a network-based control mechanism for controlling data backup and recovery as well as data transfer between the primary and secondary storage.

NOTE:
As NDMP develops, its functionality and operability are gradually enhanced from V1 to V5. V4 is widely used in the industry because V5 is not mature enough. The OceanStor 9000 supports NDMP V4.

The OceanStor 9000 serves as the data source of the NDMP backup feature. The backup server transfers source data to the backup media such as tape libraries over the network to implement data backup and recovery. The NDMP backup feature allows multiple OceanStor 9000 clusters to share backup media for saving cost and ensures data integrity and availability during backup and recovery.

Benefits

Table 13-1 describes the benefits provided by the NDMP backup feature for customers.

Table 13-1  Benefits provided by the NDMP backup feature

Benefit

Description

Protects data against data loss to ensure service continuity.

The NDMP backup feature controls data transfer and communication between devices to ensure data integrity and availability during data backup and recovery, avoiding service downtime due to data loss.

Supports multiple backup software programs and saves cost.

Multiple clusters can share backup media, or third-party backup software compatible with NDMP backup can be used to complete data backup or recovery. For details about the third-party backup software, see Specifications.

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Updated: 2019-06-27

Document ID: EDOC1000122519

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