Digital Video Recorder User Manual
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Chapter 13 RAID
This chapter is applicable for DS-7300/8100/9000HUHI-F/N series DVR.
13.1 Configuring Array
Purpose
RAID (redundant array of independent disks) is a storage technology that combines multiple disk
drive components into a logical unit. A RAID setup stores data over multiple hard disk drives to
provide enough redundancy so that data can be recovered if one disk fails. Data is distributed
across the drives in one of several ways called "RAID levels", depending on what level of
redundancy and performance is required.
The DVR supports the disk array that is realized by software. You can enable the RAID function on
your demand.
The DS-7300/8100/9000HUHI-F/N series DVR support the RAID0, RAID1, RAID5, RAID6 and RAID 10
array types.
Before you start
Please install the HDD(s) properly and it is recommended to use the same enterprise-level HDDs
(including model and capacity) for array creation and configuration so as to maintain reliable and
stable running of the disks.
Introduction
The DVR can store the data (such as record, picture, log information) in the HDD only after you
have created the array or you have configured network HDD (refer to Chapter14.2 Managing
Network HDD). Our device provides two ways for creating array, including one-touch configuration
and manual configuration. The following flow chart shows the process of creating array.
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