[Pacemaker] Best setup for lots and lots of IPs

gustavo panizzo <gfa> gfa at zumbi.com.ar
Fri Jan 20 13:37:00 EST 2012


> b) (based on the use case of 2000 IP's I'd guess you have at least a
> /21 public subnet available - or even larger - and based on good
> practice I'd also guess these IP's are given from a continuous range,
> in which case the script would) take a start IP and end IP as
> parameters, and perform a for loop for the resulting range (thus using
> only 2 parameters for the IP definition, and the other parameters I've
> seen in the example were netmask and monitoring interval, a grand
> total of 4).

i would use that script as a cluster resource,
so when the active node die, you can be sure cluster will run the
script on the surviving node 


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