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

Zhi-Wei Lu <[email protected]>
Newsgroups gmane.network.opennms.general
Message-ID <MWHPR08MB2831CC88359CB3831E9D06C9CB650@MWHPR08MB2831.namprd08.prod.outlook.com> 
Thank you, Jose!

I did restart opennms! Now, I noticed that if I start a new interface graph, those discards/errors would show up properly (all zeros in this case).  However, for those existing graphs, some show up as zeros (e.g. InErrors) , while the other as NaN (OutErrors).  I don’t quite understand the reason why. I guess that all those zeros might have something to do (e.g. handling divide by zero in percentage) with the issue that I saw. I am trying to learn cqlsh to search for those data directly (in Cassandra), why I am getting NaN for some, but not the other. I am not quite there yet.

Thanks again!

Zhi-Wei Lu
IET-CR-Network Operations Center
University of California, Davis
(530) 752-0155

From: José Manuel Agudo Cuesta <[email protected]>
Sent: Wednesday, June 06, 2018 10:46 AM
To: General OpenNMS Discussion <[email protected]>
Subject: Re: [opennms-discuss] Missing percentdiscards, percenterrors, discards, and errors graphs

Yes, restart OpenNMS when possible.
El mié., 6 jun. 2018 19:04, Zhi-Wei Lu <[email protected]<mailto:[email protected]>> escribió:
Thank you Jose!

I reload the Collectd and Pollerd, but the data (discards and errors) are not being collected.  Do I have to restart opennms?

Thank you.

Zhi-Wei Lu
IET-CR-Network Operations Center
University of California, Davis
(530) 752-0155

From: José Manuel Agudo Cuesta <[email protected]<mailto:[email protected]>>
Sent: Wednesday, June 06, 2018 7:38 AM
To: General OpenNMS Discussion <[email protected]<mailto:[email protected]>>
Subject: Re: [opennms-discuss] Missing percentdiscards, percenterrors, discards, and errors graphs

Hi,

I added the missing counters to the mib2-X-interfaces-pkts group and start graphing the counters again. I have newts storage because of that I don't have lost any information except the last days after the upgrade to version 22.

   <group name="mib2-X-interfaces-pkts" ifType="all">
      <mibObj oid=".1.3.6.1.2.1.31.1.1.1.7" instance="ifIndex" alias="ifHCInUcastPkts" type="Counter64"/>
      <mibObj oid=".1.3.6.1.2.1.31.1.1.1.8" instance="ifIndex" alias="ifHCInMulticastPkts" type="Counter64"/>
      <mibObj oid=".1.3.6.1.2.1.31.1.1.1.9" instance="ifIndex" alias="ifHCInBroadcastPkts" type="Counter64"/>
      <mibObj oid=".1.3.6.1.2.1.31.1.1.1.11" instance="ifIndex" alias="ifHCOutUcastPkts" type="Counter64"/>
      <mibObj oid=".1.3.6.1.2.1.31.1.1.1.12" instance="ifIndex" alias="ifHCOutMulticastPkt" type="Counter64"/>
      <mibObj oid=".1.3.6.1.2.1.31.1.1.1.13" instance="ifIndex" alias="ifHCOutBroadcastPkt" type="Counter64"/>
      <mibObj oid=".1.3.6.1.2.1.2.2.1.13" instance="ifIndex" alias="ifInDiscards" type="counter"/>
      <mibObj oid=".1.3.6.1.2.1.2.2.1.14" instance="ifIndex" alias="ifInErrors" type="counter"/>
      <mibObj oid=".1.3.6.1.2.1.2.2.1.19" instance="ifIndex" alias="ifOutDiscards" type="counter"/>
      <mibObj oid=".1.3.6.1.2.1.2.2.1.20" instance="ifIndex" alias="ifOutErrors" type="counter"/>
   </group>

Also modified the mib2 thresholding-config to take account of the changes and use the 64 bit counters:

      <expression description="Trigger an alert if incoming usage of any interface reaches or goes above 80% of its maximum speed for three consecutive measurement interv
als (only for interfaces that have a maximum speed value defined)" type="high" ds-type="if" value="80.0" rearm="65.0" trigger="3" ds-label="ifName" filterOperator="OR" ex
pression="ifHCInOctets * 8 / 1000000 / ifHighSpeed * 100">
         <resource-filter field="ifHighSpeed">^[1-9]+[0-9]*$</resource-filter>
      </expression>
      <expression description="Trigger an alert if outgoing usage of an interface reaches or goes above 80% of its maximum speed for three consecutive measurement interva
ls (only for interfaces that have a maximum speed value defined)" type="high" ds-type="if" value="80.0" rearm="65.0" trigger="3" ds-label="ifName" filterOperator="OR" exp
ression="ifHCOutOctets * 8 / 1000000 / ifHighSpeed * 100">
         <resource-filter field="ifHighSpeed">^[1-9]+[0-9]*$</resource-filter>
      </expression>

Best regards,

Jose







El mié., 6 jun. 2018 a las 15:35, Ronny Trommer (<[email protected]<mailto:[email protected]>>) escribió:
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://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgist.github.com%2Findigo423%2F2a86ab560065fc62d6dc2501d6cdc2bb&data=02%7C01%7C%7C7a287664444545501d4b08d5cbbb3ed1%7Ca8046f6466c04f009046c8daf92ff62b%7C0%7C1%7C636638927432588931&sdata=Um7gFNUrrBj376jC1PkPpHf%2BhsLspumC277Q6ttVtGA%3D&reserved=0>
[2] http://docs.opennms.org/opennms/releases/22.0.0/releasenotes/releasenotes.html<https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdocs.opennms.org%2Fopennms%2Freleases%2F22.0.0%2Freleasenotes%2Freleasenotes.html&data=02%7C01%7C%7C7a287664444545501d4b08d5cbbb3ed1%7Ca8046f6466c04f009046c8daf92ff62b%7C0%7C1%7C636638927432598939&sdata=rN%2FaB5to%2Fs7%2FsiFUxvorDB%2BNw5Q%2BdX50vtbLFR4iaiw%3D&reserved=0>
[3] https://oss.oetiker.ch/rrdtool/doc/rrdtune.en.html<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Foss.oetiker.ch%2Frrdtool%2Fdoc%2Frrdtune.en.html&data=02%7C01%7C%7C7a287664444545501d4b08d5cbbb3ed1%7Ca8046f6466c04f009046c8daf92ff62b%7C0%7C1%7C636638927432598939&sdata=bkMgWcHPKzWEg%2BVU4qrVSrmZgZrV%2FUGImiQmHaomHic%3D&reserved=0>
[4] https://issues.opennms.org/browse/NMS-10195<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fissues.opennms.org%2Fbrowse%2FNMS-10195&data=02%7C01%7C%7C7a287664444545501d4b08d5cbbb3ed1%7Ca8046f6466c04f009046c8daf92ff62b%7C0%7C1%7C636638927432608952&sdata=ncdUJ65mH4FQhnkBPgNkivcC%2Boi6b5BKvcYXhNr54Z0%3D&reserved=0>

On 6. Jun 2018, at 02:21, Zhi-Wei Lu <[email protected]<mailto:[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<tel:(530)%20752-0155>

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