[Linux-HA] Constraint Listing / RestartAfterSuccessfulRecovery constraint?

[Chris Gallo]

On 10/15/06, Robert Heinzmann <Robert.Heinzmann at gmx.net> wrote:
> Thanks for the response Serge.
>
> There's another question poppin into my mind. There are also other
> resources, that do not need a restart after the restart of a resource
> they depend on. E.g. Apache and IP. If the IP is restarted, apache does
> not need a restart (I guess :). I guess from your response that in this
> case (to avaoid aditional down time), I do not put IP and Apache in a
> group, but define them as single resources and connect them with
> constraints.
>
> Is that true ?

Yes, if any resource in a group fails, heartbeat will try to restart
the whole group or fail it over.


> Robert
>
> Serge Dubrouski schrieb:
> > Combine your resources into a group. Database fist and then resources
> > that depend on it. In this case restart of the database will cause
> > restart of the resources.
> >
> > On 10/15/06, Robert Heinzmann <Robert.Heinzmann at gmx.net> wrote:
> >> Hello,
> >>
> >> is there a listing of all constraints available in Heartbeat on the
> >> web ?

http://linux-ha.org/ClusterResourceManager/DTD1.0/Annotated

I think thats more what your looking for perhaps.

> >> I'm looking for a kind of "Restart after failed" constraint. This should
> >> restart resources (A) after a successful restart of a resource (B). Lets
> >> say B is a database and A is an application, there are applications that
> >> fail to reconnect to the database. In those cases a restart of the
> >> application may be required AFTER the database has successfully
> >> restartet. Is there such a constraint available in Heartbeat 2 ?
> >>
> >> Regards,
> >> Robert
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> >>
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> >
> >
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