[Linux-HA] wti_nps stonith device monitor problem

[Dejan Muhamedagic]

Hi,

On Mon, Jul 13, 2009 at 01:54:11PM +0300, Denis Chapligin wrote:
> Hi
> 
> On Fri, 10 Jul 2009 15:16:50 +0200
> Dejan Muhamedagic <dejanmm at fastmail.fm> wrote:
> 
> > > > > Is there any way to turn on debugging of those
> > > > > Device:0_monitor_180000 and fix this problem?
> > > > 
> > > > You may try it on the command line using the stonith program. Add
> > > > '-d' to get debugging output.
> > > 
> > > I do not understand, where should i add '-d'? I have a 'debug 1'
> > > in my ha.cf, is it enough?
> > 
> > What I meant is to run the plugin from the command line:
> > 
> > stonith -d -t wti_nps ipaddr=... password=... -S
> > 
> 
> 
> I tried this command and it always returned:
> 
> stonith: wti_nps device OK.
> 
> without any problems. I suppose that the problem could be in my nps
> devices - they support only 1 connection at a time, so heartbeat could
> be monitoring all the clones of this device at the same time?

Yes, it could be. stonithd are not coordinated, i.e. it may
happen that two or more try to monitor the device at the same
time. Another possibility is that the device is not very reliable
and sometimes fails. I'd suggest to run just one stonith resource
per device.

Thanks,

Dejan

> 						Denis Chapligin