[Linux-HA] Ipfail support for heartbeat 2.0.x

Andrew Beekhof beekhof at gmail.com
Wed Oct 19 00:38:02 MDT 2005


On 10/18/05, Alan Robertson <alanr at unix.sh> wrote:
> Lars Marowsky-Bree wrote:
> > On 2005-10-18T13:41:57, Alan Robertson <alanr at unix.sh> wrote:
> >
> >>I had a slightly different thought...
> >>
> >>If we did this based on variables, then it wouldn't be _too_ hard to
> >>make variable setting from external programs to be hysteresis damped...
> >>
> >>In other words, wait until time 't' has elapsed before calling the PE
> >>for a change in a variable.  't' could presumably be somehow specified
> >>in the CIB.
> >>
> >>This would make it universally available, and since the DC only runs on
> >>one machine, the hysteresis damping would be easier.
> >
> > Last time I suggested implementing it in the DC/CIB/PE, I'm very sure
> > you shot me down for suggesting to make it more complex then it already
> > was and that it ought to be implemented as an external daemon.
> >
> > If implementing it in the CIB is by now acceptable, I'm for sure not
> > arguing ;-)
>
> Actually, the last time, I think the whole thing (ip monitoring and
> everything) was in the CIB.  I'm only proposing the hysteresis for
> variables be in the CIB.
>
> In this case, having it in the one common place for all variables is a
> simplification - since it can be done once instead of many times.
>

So what do people want?  I'm not getting it...
It the PE detects a resource should be moved it will move it then and
there - not at some arbitrary point in the future.

>
> --
>      Alan Robertson <alanr at unix.sh>
>
> "Openness is the foundation and preservative of friendship...  Let me
> claim from you at all times your undisguised opinions." - William
> Wilberforce
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