Date: Wed, 14 Nov 2007 15:23:49 +0200 From: Eugene <gonnabefun@gmail.com> To: freebsd-questions@freebsd.org Subject: Re: master->backup CARP issue Message-ID: <366800589.20071114152349@gmail.com> In-Reply-To: <20071114112541.GD570@saraswathy.susmita.org> References: <1788688982.20071114095051@gmail.com> <20071114112541.GD570@saraswathy.susmita.org>
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Hello Girish, Wednesday, November 14, 2007, 1:25:41 PM, Girish Venkatachalam <girishvenkatachalam@gmail.com> wrote: GV> On 09:50:51 Nov 14, Eugene wrote: >> Hello freebsd, >> >> >> We have two FreeBSD boxes, each one has 4 CARP interfaces in >> preempt >> mode, without arp balancing. >> >> Backup without any reason preempts Master and after a while >> (an hour >> or two) it becomes Backup again. >> When Backup becomes Master on Master box >> net.inet.carp.suppress_preempt: 1, but all interfaces are up and >> seemed to work properly. >> >> >> Is there any ways to debug this issue? >> >> >> Thanks in advance! GV> I could be talking nonsense but still... GV> Have you tried adjusting the "advskew" and "advbase" parameters? GV> Another thing. Are the NICs reliable? GV> Have you tried with a different NIC? GV> Looks like you don't have a faulty NIC here. So it could be the GV> other GV> possibility. No, actually i haven't tried to play with "advskew" and "advbase" parameters, and I'll give it a try, thanks. I'll report results if it helps. Yes, NIC's seemed to be reliable. If I should try a different NIC then which one should I switch, all 4? -- Best regards, Eugene mailto:gonnabefun@gmail.com
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