On Wed, Oct 9, 2013 at 9:36 AM, Alejandro Galue <aga...@opennms.org> wrote:
>
> About the ideas for the MAC Address and SNMP Interfaces:
>
> 1) We can use something similar to opennms-tools/opennms-rrd-converter in
> order to do a "live upgrade", I mean, with OpenNMS running (which I believe
> it is the easiest case, but requires OpenNMS 1.12 is running for some time
> to be sure that the interface directories were created properly).
> 2) We can retrieve the MAC information from the ifTable for each node that
> supports SNMP, update the DB, and then upgrade the directories with OpenNMS
> stopped.
>
> The second option makes sense because there is no way to upgrade OpenNMS
> without stopping it ;)
>
> But, there are situations on which upgrading OpenNMS could be a problem
> because it may require a maintenance window or something like that. In those
> cases a solution that doesn't require a restart and perform a "live upgrade"
> will be prefered. Of course, that is only possible if RRDtool is not used
> (i.e. this only works on JRobin based installations). With RRDtool it is
> required a different solution with OpenNMS stopped.
>
> Thoughts ?
(A) Is there a way to have opennms lock of avoid updating one specific
rrd file or at least a node directory at a time while the converter
works so you don't have to shut down for the time it takes to
convert/merge the whole snmp tree at once?
and
(B) Can this approach and/or tool be generalized for other rrd edit
tasks like removing spikes or merging histories of continuing services
that OpenNMS sees on different devices/interfaces?
--
Les Mikesell
lesmikes...@gmail.com
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