Hi,

On Fri, Nov 27, 2009 at 12:59:33PM +0100, Lars Johansen wrote:
> Hi,
> 
> I am not having any monitors, should I use mon for this?

No, I meant monitor operations on resources, i.e. to use the
resource agents monitor operations which are configured in the
CIB.

Thanks,

Dejan

> 
> Greetings,
> 
> Lars
> 
> 2009/11/27 Dejan Muhamedagic <[email protected]>
> 
> > Hi,
> >
> > On Thu, Nov 26, 2009 at 02:37:10PM +0100, Lars Johansen wrote:
> > > Hi,
> > >
> > > I have a 2 cluster setup running heartbeat 2.1.3.
> > >
> > > Im running a active/passive setup, where I have mysql in master<-> master
> > > replication, stored on each nodes filesystem, and I have a DRBD drive
> > with
> > > NFS.
> > >
> > > Pulling cables, shuttding down server etc. works very well.. the "alive"
> > > server takes over..
> > >
> > > However Ive tried to simulate a "server freeze" by create a forkbomb on
> > the
> > > active server,  after doing that, I cannot log in with ssh, access nfs or
> > > mysql, ping works, and I guess since the kernel responds, heartbeat wont
> > > switch over.
> >
> > It's not the kernel, but the heartbeat process which sends
> > messages. The only difference to other processes is that it runs
> > at the highest priority, so it may be possible to have
> > heartbeats, but no services...
> >
> > > How can I setup heartbeat so it detects if a server is frozen?
> >
> > ... What about resource monitoring? If the node is overwhelmed,
> > as you say it is, then some monitors should timeout or fail, right?
> >
> > Thanks,
> >
> > Dejan
> >
> >
> > >
> > > Greetings,
> > >
> > > LArs
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> >
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