RE: [Oscar-devel] Nagios + automatically mark hosts down in c3.conf

Sun, 24 Jul 2005 12:27:29 -0700

Title: Re: [Oscar-devel] Nagios + automatically mark hosts down in c3.conf
Ganglia and Nagios do slightly different things.  Nagios is usually used to alert administrators when there are problems with the computer it is monitoring - Ganglia (currently) does not do that.
 
But you are probably right, since those 2 packages would be third-party or included packages, it would be best to use some other mechanism - perhaps an extension to C3?
 
I guess I am basically requesting a 'heart-beat' functionality in C3, so that when a node is down, it would mark it as down (comment it out?) and thus will not include it in its operation.  Otherwise, it will hang on that node when you run cexec or cpush, etc.
 
Cheers,
 
Bernard

From: [EMAIL PROTECTED] on behalf of Michael Edwards
Sent: Sun 24/07/2005 11:13 AM
To: [email protected]
Subject: Re: [Oscar-devel] Nagios + automatically mark hosts down in c3.conf

Is nagios redundant to ganglia?  They seem to do similar things
(though from a brief look it seems like nagios has more features).

I think bernard was talking more about marking their status in c3.conf
rather than removing them, but I haven't looked much into the finer
points of c3 configuration.  What advantages would routing everything
through ganglia have?  Would it be possible to do something more
abstract that would serve both purposes and keep a user from being
tied to one package or the other?


On 7/24/05, Erich Focht <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I have a nagios package but need an additional API step (script) after
> installing the image... Stil thinking how to integrate that. C3.conf stripping
> might not be a good idea. I'd prefer to use a simple ganglia based membership
> function inside C3.
>
> Regards,
> Erich
>
> On Friday 22 July 2005 21:14, Bernard Li wrote:
> > It would be nice if we have a Nagios package which monitors the cluster
> > and when a node is down have a script which updates /etc/c3.conf marking
> > it as down automatically.
> >
> > Having a plug-in for Ganglia would probably work as well, though I
> > suppose Nagios is more suited for the job...
> >
> > Comments?
> >
> > Cheers,
> >
> > Bernard
>
>
>
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