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saved to the hot spare during the period of failure is transferred back to
the working device to ensure reliable and consistent data storage.
1.
Click
System
>
Hot Spare
.
2.
Select a working mode,
Normal
(default mode) for working device,
or
Hot Spare
for hot spare device.
Normal
You must add a hot spare device after choosing this mode; otherwise,
hot spare does not take effect. Click
Custom Add
and then enter device
information, including IP address, port number and password. The
username is fixed to admin. Click
Add
.
Hot Spare
Select
Hot Spare
, and the current device will be a hot spare for other
working devices. All the working devices that the current hot spare
serves are listed.
NOTE!
After the working mode is changed, the NVR will restart with some
parameters and settings changed.
For a working device that switches to a hot spare, some of its
functions will be unavailable, and some settings will be reset to
defaults.
If multiple working device fail at the same time with only one hot
spare device available, one working device gets backup at a time.
