Re: Missing percentdiscards, percenterrors, discards, and errors graphs

Hi,

I’ve looked up the configuration files and the issue is related to splitting the high speed counters, which removed those 32 bit counters. There are no 64bit counter equivalents for discards and errors. There are several approaches to fix this problem which depend if you use store-by-group or not.

1)
If you have store-by-group disabled, which is default. You can add a group, let’s say mib2-interface-errors[1] and include them in the system definition for the Enterprise sysoidMask.

2)
If you have store-by-group enabled, your OID groups are persisted in one RRD file. You can restore the old behaviour described in the release notes [2]. If you create a new group described in 1) you will end up with a new RRD file for mib2-interface-errors, but the allocated storage in the mib2-interface RRD files from your old setup is still there. You need to mangle the RRD files with rrdtune [3] to remove data sources for the discard and error messages.

Created also an issue[4] to track this problem. In hope this helps

Ronny

[1] https://gist.github.com/indigo423/2a86ab560065fc62d6dc2501d6cdc2bb <https://gist.github.com/indigo423/2a86ab560065fc62d6dc2501d6cdc2bb>
[2] http://docs.opennms.org/opennms/releases/22.0.0/releasenotes/releasenotes.html <http://docs.opennms.org/opennms/releases/22.0.0/releasenotes/releasenotes.html>
[3] https://oss.oetiker.ch/rrdtool/doc/rrdtune.en.html <https://oss.oetiker.ch/rrdtool/doc/rrdtune.en.html>
[4] https://issues.opennms.org/browse/NMS-10195

> On 6. Jun 2018, at 02:21, Zhi-Wei Lu <[email protected]> wrote:
> 
> Hi all,
> 
> I recently upgraded from Horizon 21 to Horizon 22, all new nodes added since the upgrade don’t have percentdiscards, percenterrors, discards, and error graphs, while the old graphs have no new data for these.  I just wonder what happened, those data were not collected after the upgrade?
> 
> Thank you for your help.
> 
> Zhi-Wei Lu
> IET-CR-Network Operations Center
> University of California, Davis
> (530) 752-0155
> 
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