[Pacemaker] Auto-restart service on IP shift?

Dejan Muhamedagic dejanmm at fastmail.fm
Fri Feb 5 06:07:14 EST 2010


Hi,

On Wed, Feb 03, 2010 at 07:35:31AM -0800, Erich Weiler wrote:
> I think I read about this somehwere, but I can't find it now...  I
> have a cloned service on two nodes that is always running on both
> (named, one is a replicated slave).  The IP sticks to one, then
> floats to the other if the first one goes down.  Works great.
> 
> My problem is that named only binds to the IP addrs that are there
> when it comes up, so the second node doesn't bind to the floating IP

There's a way to make bind bind to new interfaces. And it even
works :)

Thanks,

Dejan

> when it floats over there because bind was already started.  If I
> restart named after the IP comes over then it works, but that isn't
> as automatic as I'd like.  ;)
> 
> Is there any way in crm to configure bind to automatically restart
> on the second node if it notices the IP floats over to it?
> 
> Thanks for the continued expert advice...!
> 
> -erich
> 
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