Date: Wed, 13 Jun 2007 09:41:03 +0200 From: Marko Lerota <marko.lerota@zg.t-com.hr> To: Rudy Rucker <crapsh@monkeybrains.net> Cc: freebsd-net@freebsd.org Subject: Re: CARP on backup doesn't relinquish MASTER Message-ID: <86r6ogfgj4.fsf@sparrow.local> In-Reply-To: <466F21DA.20001@monkeybrains.net> (Rudy Rucker's message of "Tue, 12 Jun 2007 15:44:42 -0700") References: <466F21DA.20001@monkeybrains.net>
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Rudy Rucker <crapsh@monkeybrains.net> writes:
> I noticed that if I reboot a server that is the MASTER, the carp0 on
> the BACKUP box goes into MASTER mode and stays that way -- even when
> the real master machine has finished rebooting. Is this a desired
> trait to prevent CARP from switching IPs out of control?
Yes, it depends of what you have put in 'net.inet.carp.preempt'
if it's net.inet.carp.preempt=0
than the backap will become master and stays that way
and if it's net.inet.carp.preempt=1
then the "real" master will take over the IP address from backup
server when he gets in the OK state
--
One cannot sell the earth upon which the people walk
Tacunka Witco
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