Date: Mon, 23 Oct 2006 16:38:48 -0400 From: Vivek Khera <vivek@khera.org> To: Max Laier <max@love2party.net> Cc: FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: CARP not balancing automatically Message-ID: <5F2498BF-8821-40C0-B815-2C7E552056AC@khera.org> In-Reply-To: <05BE5E0E-0A4A-4946-8650-3608EBAF540E@khera.org> References: <8F9483A9-D387-443E-A325-356958211153@khera.org> <200610231950.39584.max@love2party.net> <05BE5E0E-0A4A-4946-8650-3608EBAF540E@khera.org>
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--Apple-Mail-17-792618478 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed 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. --Apple-Mail-17-792618478--
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