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Forum Discussion

John_Meggers's avatar
John_Meggers
Icon for Nimbostratus rankNimbostratus
Feb 20, 2013

Node Failover

One of my co-workers is getting ready to do an installation of an appliance-based product that uses an active / standby redudant architecture (instead of load-balanced to active / active). I know I c...
config
design
R_Marc's avatar
R_Marc
Icon for Nimbostratus rankNimbostratus
Oct 31, 2014

Well, I have similar requirements and I use iControl (Rest) scripts for this. On an event, an alert goes out to the NOC that crap has just gone down, and they run an script to identify the new "master" which just swaps the priorities and then re-enables the bad node (then they can restart, or whatever, the backend that was bad. It could probably also be done with iCall on a monitor down event to reorder the priorities via a script.

 

In my case, the NOC also has scripts to "normalize" traffic to the original/desired state.