Hi,
can anybody tell me then, how to achieve reasonable switchover times?
In my fully equipped ATCA shelf, the daemon needs about 2 minutes
before it can serve any request. So if the blade with the daemon
dies, it will take two minutes before the system can do any HW
maintenance - unless there is another daemon already "up" which
means it has done discovery with the shelf manager.
Cheers,
Uli

 

> -----Original Message-----
> From: ext Lars Wetzel [mailto:[email protected]] 
> Sent: Saturday, June 26, 2010 8:06 PM
> To: [email protected]
> Cc: [email protected]; Pierre Sangouard
> Subject: Re: [Openhpi-devel] Log dump for issue #1868725 
> puttopastebin.com...
> 
> Hi Pierre,
> 
> right, I could also see problems with having two Daemons 
> connected to one 
> ShelfManager. But I'm unsure if these problems only occur 
> with a connection 
> over SMI? Can this also happen with a connection over lan via RMCP? 
> 
> Best Regards
>    Lars
> 
> 
> On Saturday, 26. June 2010 15:11, Pierre Sangouard wrote:
> > > -----Original Message-----
> > > From: Frank C. Earl [mailto:[email protected]]
> > > Sent: Tuesday, June 22, 2010 23:03
> > > To: Lars Wetzel
> > > Cc: Earl, Frank; [email protected]
> > > Subject: Re: [Openhpi-devel] Log dump for issue #1868725 put
> > > topastebin.com...
> > >
> > > Lars Wetzel wrote:
> > > > I will look a little bit deeper in both files in the next days.
> > >
> > > Thanks!
> > >
> > > > Don't wonder about the questions, I don't have any 
> hardware here and I
> > >
> > > want to
> > >
> > > > exclude any firmware issue as far as it is possible.
> > >
> > > I'm familiar with the concept, trust me.  :-D
> > >
> > > > Btw. you mentioned you use a SHMM-500. I think it will work with
> > >
> > > synchronous
> > >
> > > > SEL?
> > >
> > > Okay, I'll look into that one.  Do you know if the 
> Colorado Springs
> > > CMM's  will work in that mode as well?
> > >
> > > > Did you have two daemons running which are connected to the same
> > >
> > > ShelfManager?
> > >
> > >
> > > To the best of my current knowledge only one daemon is 
> up.  In an HA
> > > configuration, the monitoring and management boards would 
> have a daemon
> > > up on both the master and
> > > the standby, but that'd just increase IPMI traffic, 
> wouldn't it?  We
> > > don't care overmuch about gaps in information as long as 
> it stays up and
> > > self-heals over a realistic timeframe.
> >
> > It's a bad idea to have 2 daemons talking to the Shelf 
> Manager at the same
> > time. They will compete for SDR and SEL access and it won't 
> work properly.
> > In a HA configuration, only the master daemon should talk 
> to the Shelf
> > Manager (Been there, done that a couple of years ago).
> >
> > Pierre
> >
> >
> >
> > 
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> -- 
> -------------------------------
> Dipl. Wi.ing.
> Lars Wetzel
> Uttinger Str. 13
> 86938 Schondorf a. Ammersee
> 
> Tel.: 0179-2096845
> Mail: [email protected]
> 
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