CARP not balancing automatically

[Vivek Khera]

On Oct 23, 2006, at 4:21 PM, Vivek Khera wrote:

>> Sounds like you forgot the net.inet.carp.preempt sysctl.  See the  
>> begining
>> of the EXAMPLES section of carp(4).
>
> But I don't have multiple interfaces that all need to go up/down  
> together.  I need one carp interface to be master and one backup on  
> box A, and the opposite master/backup on box B.  Or am I totally  
> misunderstanding with the preemtp sysctl is for?

Forgot to mention that setting preempt sysctl does instantly make the  
carp load balanced interfaces work as expected: balancing the load by  
offering one master on each server.

So I'll say that the example needs to be made more clear that preempt  
needs to be on.  It seems to me that preempt off is a mostly useless  
configuraiton for load balance, but probably not for just simple  
failover.