RE: CARP on -CURRENT

> -----Original Message-----
> From: Sergey Kandaurov [mailto:pluknet@gmail.com]=20
> Sent: Thursday, February 02, 2012 2:00 AM
> To: Andrew Hobbs
> Cc: freebsd-current@freebsd.org
> Subject: Re: CARP on -CURRENT
>
> On 2 February 2012 04:26, Andrew Hobbs <andrew.hobbs@ai.net> wrote:
> > I much appreciate the responses and I was able to get CARP functioning=
=20
> > using the new ifconfig syntax under -CURRENT. Having done that, CARP=20
> > is now acting as it should, though now I have a new challenge with=20
> > devd and automatic firing of scripts during CARP failover. It appears=20
> > that the documented method of doing this at=20
> > http://www.freebsd.org/doc/handbook/disks-hast.html no longer works=20
> > with the suggested devd.conf setup; notify 30 {
> > =A0 =A0 =A0 =A0match "system" "IFNET";
> > =A0 =A0 =A0 =A0match "subsystem" "carp0";
> > =A0 =A0 =A0 =A0match "type" "LINK_UP";
> > =A0 =A0 =A0 =A0action "/usr/local/sbin/carp-hast-switch master"; };
> >
> > notify 30 {
> > =A0 =A0 =A0 =A0match "system" "IFNET";
> > =A0 =A0 =A0 =A0match "subsystem" "carp0";
> > =A0 =A0 =A0 =A0match "type" "LINK_DOWN";
> > =A0 =A0 =A0 =A0action "/usr/local/sbin/carp-hast-switch slave";
> >
> > Is it likely that the triggers associated with CARP for devd have chang=
ed due to the recent new CARP overhaul? Does anyone know what the new trigg=
ers may be?
> >
>
> You will need to change this to something like (as taken from man carp):
>          match "system"          "CARP";
>          match "subsystem"       "[0-9]+@";
>          match "type"            "(MASTER|BACKUP)";
>
> The subsystem now is generated as
> snprintf(subsys, IFNAMSIZ+5, "%u@%s", sc->sc_vhid, sc->sc_carpdev->if_xna=
me);
>
> --
> wbr,
> pluknet

Thanks for the info. I was able to get the triggers firing from devd. I als=
o noticed that the man page on 'carp' references a "carpcontrol.sh" script =
as an action. Has this script been prototyped anywhere yet?=20

-Andrew

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