Network Video Recorder User Manual
117
Figure 11-7 Dynamically Adjust Recording Writing Buffer
Note
This function will result in higher memory use. Restart the device after you enable/disable the
function.
11.2 Disk Array
A disk array is a data storage virtualization technology that combines multiple physical disk drives
into a single logical unit. Also known as a "RAID", an array stores data over multiple 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 functions in this section are only available for certain models.
11.2.1 Create a Disk Array
The video recorder supports software-based disk arrays. Enable the RAID function 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 creating an array: one-
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