did you by chance upgrade your sysctl.conf?  Make sure preempt is
still turned on.

-B

On Wed, Nov 25, 2009 at 2:21 PM, Derek Buttineau <de...@csolve.net> wrote:
> I'm having a really odd issue, and not sure quite how best to explain it.
>
> As far as I know my setup was working fine with 4.5, and the failover
itself
> still works without a hitch, it just  doesn't seem to want to fail back
> anymore.
>
> If the master goes down (say for a reboot), CARP fails over to the
secondary
> machine as normal, but when the master is back it doesn't fail back to it.
>
> If I force the carp interface down on the backup machine, it fails back
over,
> but then as soon as I bring those interfaces back up, the BACKUP becomes
> master again.  I find this strange since the BACKUP still has a much higher
> advskew.
>
> I end up rebooting the backup, which seems to put everything in its place.
> Very odd issue.  Has anyone else encountered this?
>
> Master interface ifconfig:
>
> carp1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>        lladdr 00:00:5e:00:01:02
>        priority: 0
>        carp: MASTER carpdev bnx0 vhid 2 advbase 1 advskew 0
>        groups: carp
>
>
> Backup interface ifconfig:
>
> carp1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>        lladdr 00:00:5e:00:01:02
>        priority: 0
>        carp: BACKUP carpdev em0 vhid 2 advbase 1 advskew 100
>        groups: carp
>
> --
> Regards,
>
> Derek Buttineau
> Internet Systems Developer
> Compu-SOLVE Internet Services
> Compu-SOLVE Technologies, Inc
>
> Phone:  705-725-1212 x255
> E-Mail:  de...@csolve.net

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