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![](https://files.manualsfile.com/21047680-ids-7332huhi-m4-s/bg83.png)
6.
Select Overwrite type.
-
Disable: When HDD is full, it will stop wring.
-
Enable: When HDD is full, it will connue to write new les by deleng the oldest les.
7.
Click Apply.
Figure 9-5 Congure eSATA for Auto Backup
9.2 Disk Array
A disk array is a data storage virtualizaon technology that combines mulple physical disk drives
into a single logical unit. Also known as a "RAID", an array stores data over mulple HDDs 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", based the redundancy and
performance required.
Note
The funcons in this secon are only available for certain models.
9.2.1 Create a Disk Array
The video recorder supports soware-based disk arrays. Enable the RAID funcon as required, and
ensure each HDD capacity is not less than 4 TB. If your device has no more than 16 SATA interfaces,
a disk array can contain no more than 8 HDDs. If your device has 24 SATA interfaces, a disk array
can contain no more than 12 HDDs. Two ways are available for creang an array: one-touch
conguraon and manual conguraon.
Digital Video Recorder User Manual
107
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