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D-Link DNS-722-4/DNS-726-4 User Manual
Section 3 - Configuration
Maintenance
Create A User
Step 1: Input the new user name.
Step 2: Input the password. Type the password again to
confirm.
Step 3: Select the live view cameras and
PTZ/ IO Control
functions which this user can access.
Step 4: Select the playback channels and
Backup Data
function which this user can access.
Step 5: Click the
Save Settings
button to create a new user.
Note
The Administrator account can configure all functions of the NVR. This account
cannot be deleted. The default password for “admin” is blank. Setting a password
after the first login is strongly recommended. If the administrator password is
lost, you may hold the reset button on the rear panel of the device to reset the
NVR to factory defaults. Note: This will erase all the previously-saved settings.
User List
Change User’s Password
Step 1: Click the
Modify Password
icon of the user name
who you would like to modify.
Step 2: Input the password of the user. Type the password
again to confirm.
Step 3: Click the
Apply
button to save. Click
Cancel
to abort.
This option allows you to add users and modify or delete accounts. You may also configure the priviledge settings for
the users.
User Management
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D-Link DNS-722-4/DNS-726-4 User Manual
Section 3 - Configuration
Delete A User
Step 1: Click the
Delete User
icon of the user you would like to delete.
Step 2: In the confirmation box, click the
OK
button.
Modify User Priviledges
Step 1: Click the
Modify User Privileges
icon for one of the users in the User List.
Step 2: Select the live view cameras and
PTZ/IO Control
functions which this user can access.
Step 3: Select the playback channels and
Backup Data
functions which this user can access.
Step 4: Click the
Apply
button to save. Click
Cancel
to abort.
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44
D-Link DNS-722-4/DNS-726-4 User Manual
Section 3 - Configuration
Creates two separate volumes (or one volume if
only one hard drive is present). Each hard drive
has its own volume.
Combines both hard drives in a linear fashion
which will create one large volume geared towards
maximum available space.
Combines both hard drives in a striped fashion
which will create one large volume geared towards
maximum performance.
Mirrors the hard drives for redundancy. If one
hard drive fails, the other still has all of the data.
Replace the failed hard drive and it will re-mirror,
restoring maximum data protection.
RAID
Standard:
JBOD (Linear):
RAID 0:
RAID 1:
In this section, you may configure your hard drives by clicking the
Set RAID Type and Re-Format
button. All data will
be lost during this process.
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D-Link DNS-722-4/DNS-726-4 User Manual
Section 3 - Configuration
What is RAID?
RAID, short for Redundant Array of Independent Disks, is a combination of two or more disks with the aim of providing
fault tolerance and improving performance.
There are several different levels of RAID, with each providing a different
method of sharing or distributing data amongst the drives. The NVR supports RAID levels 0 and 1.
RAID 0
RAID 0 provides
data striping
, which spreads
out blocks of data over both drives, but does
not provide data redundancy.
Although performance is improved, the lack of
fault tolerance means that if one drive fails, all
data in the array will be lost.
RAID 0
RAID 1
RAID 1 provides
mirroring
over both disks, with
the same read/write speed of a single disk.
A
RAID 1 array can only be as large as its smallest
member disk.
Because the data is stored on both disks,
RAID 1 provides fault tolerance and protection,
in addition to performance advantages.
RAID 1
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D-Link DNS-722-4/DNS-726-4 User Manual
Section 3 - Configuration
All the configurations can be saved as a
file to the specified location. Click the
Save
Configuration
button to save the file.
User can restore the configuration file after reset
to factory default file.
Click the
Browse
button to select the
configuration file and restore it by clicking the
Restore Configuration from File
button.
If the NVR is malfunctioning or crashes
unexpectedly, click the
Restart
button on the
NVR. Restarting the NVR will take about one
and a half minutes.
This will reset all configurations to factory
default. User can select to preserve the
IP
or
DDNS
, thus the remote connection will remain
after reset.
Backup and Restore
Save
Configuration:
Load
Configuration
File:
Restart:
Reset to
Default:
Users can save the NVR configuration to a file and restore it when necessary. Ocassionally, restarting the NVR can
keep the system running smoothly. Reset the NVR to restore all configurations to factory default.
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