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Linux HA implementation


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I have 2 PCs running the same custom software and i can connect them using ethernet. The inputs to these PCs is coming via a fan out unit (serial port). Now the outputs of these will have to be pushed to a third PC via an ethernet port.


So to implement HA, as per my understanding, ill have to do following :-


Store the outputs of application in a database on main and standby machines. Use the 3rd PC as the client PC which is querying for outputs from these main and standby PCs via a floating IP address. It will fetch the data from the DB and display it.

I presume there will be an inherent time gap in this process.


Is this the right way or is there any other way out??


IS there a way to directly push the data to a Display device without the need of 3rd PC and still implement HA using only main and standby PCs?




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