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

[Andreas Ericsson]

Marco Borsani wrote:
>  
> 
>> -----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 :(
> 

Then don't upgrade. If you don't need any features and Nagios 1.x is working
for you, stick with it.

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

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