R: Steps Upgrade from Nagios 1.4 to Nagios 2.9-1

[Marco Borsani]

> -----Messaggio originale-----
> Da: Andreas Ericsson [mailto:ae at op5.se] 
> Inviato: giovedì 18 ottobre 2007 18.44
> A: Marco Borsani
> Cc: nagios-users at lists.sourceforge.net
> Oggetto: Re: [Nagios-users] Steps Upgrade from Nagios 1.4 to 
> Nagios 2.9-1
> 
> Marco Borsani wrote:
> > Hi all
> >  
> > I have to definy the rules (and if it is possible) to  migrate my 1.4.1 
> > installation (with 400 hosts an 1000 services) to the lastest stable 
> > release, 2.9-1.
> >  
> 
> It's indeed possible.

OK

> > 1)
> > We can't loose the history and statistics of our monitoring ... is it 
> > possible with the migration ?
> >  
> 
> Well, yes and no. You should make backups and make sure that 
> your current nagios keeps running while you install the new 
> one in a new place.
> 

I can not install in new system, I need to upgrade Nagios on same server.
Isn't it possible or is it "just" dungerous?
Perhaps I could find a test system with a Nagios 1.4.1 on it, with a little
configuration to test ..

> > 2)
> > I find only the documentation to upgrade from 2.x to 3.x .. where I 
> > can find the doc regarding upgrade from 1.x to 2.x ?
> >  
> 
> Basically, just upgrade the software, and then run the two 
> commandline PHP scripts at oss.op5.org/nagios (they're called 
> nagios12to20-something.php, I
> think) on the appropriate files. You may have to do some 
> reading of the source to find out how to use them. It was a 
> long time since I wrote them, and I'm not sure I added help-messages.
> 
> Get back to me on-list if the scripts don't work (or if they 
> do, for that matter). Like I said, they're very old, and 
> iirc, they were written for nagios 1.2.
> 

Only similar name file found is "12to20comments.php.gz".
It is used to mantain the comments after upgrade.

> > 3)
> > Anyone can tell me if this upgrade is necessary to improve features?
> > Actually only problem that I have is that sometime (I don't know why) 
> > Nagios freeeze, stop to perform checks , but the interface does not 
> > crash (so it is not so immediate to recognize!)
> >  
> 
> It's worth a shot then, isn't it? :)
> 

I don't know .. We use basic features (no escalation, no passive checks, no
nsca, no volatile). If I remember correctly, main new features with nagios
2.x will be the service groups, isn't it ?
I could create many problems if something should go in the wrong way
during/after upgrade :(

> -- 
> Andreas Ericsson                   andreas.ericsson at op5.se
> OP5 AB                             www.op5.se
> Tel: +46 8-230225                  Fax: +46 8-230231

Marco 


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