Re: OpenNMS update version 21.0.5 to version 22.0.2

Hi Jonathan,

I also thought about your solution, but it becomes really difficult to do a new installation.
I use heavily, for example: Surveillance Categories, SNMP Mib Compiler, Special Notification, Topology ...

Regards,

Fulvio

> Il 30 luglio 2018 alle 13.27 Jonathan Heard <[email protected]> ha scritto:
> 
> 
>     I'm inclined to agree, Chris.. My experience with OpenNMS is that there is a tangled mess of defaults, customisations and code in the vast number of XML config files which makes upgrading a very haphazard task. There's a long-standing support ticket to restructure the config and make upgrading easier but progress is slow and will likely require a massive overhaul of the configuration files to achieve it.
> 
>     In our environment I've used Puppet to create all my OpenNMS config (although I've since seen a tutorial using Rake which looks like a really nice approach). We never 'upgrade' but instead we trash the running version, rebuild, auto-reconfigure and rediscover everything. This isn't a particularly scalable approach so it would depend on the size of your estate, plus we don't need to retain historic data so we have the luxury of wiping it and starting afresh. However, it could be tailored to retain provisioned nodes and data, making it far more scalable.
> 
>     If you're able to trust the 'A' records to be an authoritative starting point as to all the hosts that need to be monitored, then the DNS Provisioner from OpenNMS is great. From scratch, OpenNMS takes a zone copy, provisions all nodes and performs service detection. It takes about an hour from start to finish to have our network of ~300 nodes fully discovered.
> 
>     It's on my todo list to see if I can share my Puppet code, although it may not be generic enough for other environments.
> 
>     HTH
> 
>     Jonathan
> 
> 
>     On 20/07/18 17:03, Chris Burt wrote:
> 
>         > > 
> >         I do not and this mailing list was no help at all.  I wiped out the install and started over.  Which seems par for the course with OpenNMS.   The need a real community.
> > 
> > 
> >         On 7/20/2018 8:52 AM, fmposta--- via opennms-discuss wrote:
> > 
> >             > > > 
> > >             Hi All,
> > > 
> > >             I have several installations of OpenNMS on CentOS6/7 and I have updated to the latest release.
> > > 
> > >             The update was successful without problems and both the db and OpenNMS services were started regularly, but when I try the webpage nothing appears; obviously I tried another update with the same result.
> > > 
> > >             Did you have similar problems? You can help me?
> > > 
> > >             Thank you
> > > 
> > >             Fulvio
> > > 
> > > 
> > > 
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> > >         > > 
> >         -- 
> >         Chris Burt
> >         Generic Network Systems
> >         503-342-4044 x728
> > 
> > 
> > 
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