Each channel is only corresponding with one HDD Group, while one HDD Group can
store records from several channels.
HDD Group is only available for read-write HDD and self-defined disks, other types of
hard disks cannot be set as HDD Group.
Important:
eSATA also supports this function, you can manage e-SATA hard disk as local hard disk.
Current series software version can only set the HDD group operation of the read-write HDDs.
It is not for the redundancy HDD.
HDD Setting
Click the button “HDD Settings” at the top right corner of the Figure 5-77, system will pop up an
interface as below. See Figure 5-79.
The number of hard disk from 1 to 2 is shown in the “HDD No.” column (It is to show the max HDD
amount you can install). If serial number is highlighted, it means this interface have access to the
hard disk, otherwise it does not have access to the hard disk.
The “HDD Group” column lists the HDD Group number of current hard disk. You can select HDD
group name from the dropdown list and then click Save button.
Please note, one HDD is corresponding to one group, while one group can have many HDDs.
The HDD group No. is corresponding HDD port, the HDD group No. may vary if you change the
HDD.
Important
Once you change the HDD Group settings, system will pack the records and snapshots, and then
reboot.
Figure 5-79
Channels Setting
Click the button named with “Channels Settings” at the top right corner of the Figure 5-77, system
will pop up an interface shown as in Figure 5-80.
You can set HDDs for main stream, extra stream and snap pictures respectively. The main stream
and extra stream of one channel can be saved to different groups.
Channel: It is to display the actual channel number of current NVR.
HDD Group: It is the SN of the HDD group management. For example, if you set two HDD groups
such as Group 1 and Group 2, you can see there are two options (1/2) of the HDD group
dropdown list.
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