Important: A user must be logged on
with administrative privileges when mapping the drive the slave
will be running on. If the user does not have administrative
privileges the project will not start on the slave.
In a normal state:
The primary is in control or is
the active server.
The secondary is the standby
server.
The primary keeps the secondary
Alarm, Point and User information synchronized.
Viewers collect data from the
primary computer.
When the primary fails:
The primary is off line.
The secondary becomes the active
server.
Viewers collect data from the
secondary computer.
When the project on the primary is restarted:
The primary obtains Alarm and User
information from the secondary and automatically takes over these
functions.
The secondary continues to provide
and collect point data for the viewers and the primary for
synchronization.
After a system manager resets the primary:
The primary collects point data
and takes over point management as well as all other project
functions.
The secondary returns to standby
mode.
Automatic redundancy operation overview. |