Cluster Service; Configuring Cluster Ip - Dahua NVR52-4KS2 Series User Manual

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6.4 Cluster Service

The cluster function, also known as cluster redundancy, is a kind of deployment method that can
improve the reliability of the device. In the cluster system, there is a number of main devices and
another number of sub devices (the N+M mode), and they have a virtual IP address (the cluster IP).
When the main device fails, the corresponding sub device will take over the job automatically.
When the main device recovers, the sub device will transmit the configuration data, cluster IP
address and videos recorded during the failure to the main device which then takes over the job
again.
In the N+M cluster system, there is a management server, the DCS (Dispatching Console) server,
which is responsible for timely and correct scheduling management of the main and sub devices.
When you create a cluster, the current device is used as the first sub device and the DCS server by
default.
This function is available on select models.

6.4.1 Configuring Cluster IP

When the main device malfunctions, the sub device can use the main device configuration and
virtual IP address to replace the work (monitor or record) accordingly. When you use the virtual IP
to access the device, you can still view the real-time video and there is no risk of record loss.
Procedure
Step 1 Log in to the web as the admin user.
Description
Includes eight function tiles: LIVE, PLAYBACK, AI, ALARM, POS,
OPERATION, BACKUP, DISPLAY, and AUDIO. Click each tile to
open the configuration page of the tile.
LIVE: You can perform the operations such as viewing real-time
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video, configuring channel layout, setting PTZ controls, and
using smart talk and instant record functions if needed.
PLAYBACK: Search for and play back the recorded video saved
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on the Device.
ALARM: Search for alarm information and configure alarm
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event actions.
AI: Configure and manage artificial intelligent events. It
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includes smart search, parameters, and database.
POS: View POS information and configure related settings.
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OPERATION: View system information, import/export system
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configuration files, or update system.
BACKUP: Search and back up the video files to the local PC or
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external storage device such as USB storage device.
DISPLAY: Configure the display effect such as displaying
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content, image transparency, and resolution, and enable the
zero-channel function.
AUDIO: Manage audio files and configure the playing schedule.
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The audio file can be played in response to an alarm event if the
voice prompts function is enabled.
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