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Wizard "Network Switch / Router" - check_xi_service_mrtgtraf

https://support.nagios.com/forum/viewtopic.php?t=2536

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Re: Wizard "Network Switch / Router" - check_xi_service_mrtg

Posted: Mon Jun 27, 2011 10:43 am
by nscott
GldRush,

Adding that WorkDir would only affect it if it were applied before the switch was created. What you'll need to do is create those RRDs manually.

You can do that using the touch command (I'm guessing on the RRD file names)

touch /var/lib/mrtg/10.3.1.101_{1..24}.rrd

That should create those RRDs. You'll need to wait 10 minutes before they begin filling with data. If MRTG still isn't writing to them then we'll need to rrdtool create them, lets see if the touch fixes the problem.

Re: Wizard "Network Switch / Router" - check_xi_service_mrtg

Posted: Mon Jun 27, 2011 12:44 pm
by GldRush98
nscott wrote:GldRush,

Adding that WorkDir would only affect it if it were applied before the switch was created. What you'll need to do is create those RRDs manually.

You can do that using the touch command (I'm guessing on the RRD file names)

touch /var/lib/mrtg/10.3.1.101_{1..24}.rrd

That should create those RRDs. You'll need to wait 10 minutes before they begin filling with data. If MRTG still isn't writing to them then we'll need to rrdtool create them, lets see if the touch fixes the problem.
I touched the rrd files to create them, but something still doesn't seem to be right, as it's not showing the bandwidth on the ports at all, and the .rrd files themselves are empty...
Just a small sample of the ones I touched...
-rw-r--r-- 1 root root 0 Jun 27 11:19 10.3.1.253_44.rrd
-rw-r--r-- 1 root root 0 Jun 27 11:19 10.3.1.253_45.rrd
-rw-r--r-- 1 root root 0 Jun 27 11:19 10.3.1.253_46.rrd
-rw-r--r-- 1 root root 0 Jun 27 11:19 10.3.1.253_47.rrd
-rw-r--r-- 1 root root 0 Jun 27 11:19 10.3.1.253_48.rrd
-rw-r--r-- 1 root root 0 Jun 27 11:19 10.3.1.253_49.rrd
-rw-r--r-- 1 root root 0 Jun 27 11:19 10.3.1.253_4.rrd
-rw-r--r-- 1 root root 0 Jun 27 11:19 10.3.1.253_50.rrd
-rw-r--r-- 1 root root 0 Jun 27 11:19 10.3.1.253_51.rrd
-rw-r--r-- 1 root root 0 Jun 27 11:19 10.3.1.253_52.rrd
-rw-r--r-- 1 root root 0 Jun 27 11:19 10.3.1.253_53.rrd
-rw-r--r-- 1 root root 0 Jun 27 11:19 10.3.1.253_54.rrd
-rw-r--r-- 1 root root 0 Jun 27 11:19 10.3.1.253_55.rrd
-rw-r--r-- 1 root root 0 Jun 27 11:19 10.3.1.253_56.rrd
(as you can see, file size is still 0)

But I do have some other rrd files for the 10.3.1.253 Core that seem to have data in them:
-rw-r--r-- 1 root root 105164 Jun 27 12:35 10.3.1.253_75497609.rrd
-rw-r--r-- 1 root root 105164 Jun 27 12:35 10.3.1.253_75497617.rrd
-rw-r--r-- 1 root root 105164 Jun 27 12:35 10.3.1.253_75497625.rrd
-rw-r--r-- 1 root root 105164 Jun 27 12:35 10.3.1.253_75497633.rrd
-rw-r--r-- 1 root root 105164 Jun 27 12:35 10.3.1.253_75497641.rrd
-rw-r--r-- 1 root root 105164 Jun 27 12:35 10.3.1.253_75497649.rrd
-rw-r--r-- 1 root root 105164 Jun 27 12:35 10.3.1.253_75497657.rrd
-rw-r--r-- 1 root root 105164 Jun 27 12:35 10.3.1.253_75497665.rrd
-rw-r--r-- 1 root root 105164 Jun 27 12:35 10.3.1.253_75497673.rrd
-rw-r--r-- 1 root root 105164 Jun 27 12:35 10.3.1.253_75497681.rrd
-rw-r--r-- 1 root root 105164 Jun 27 12:35 10.3.1.253_75497689.rrd
-rw-r--r-- 1 root root 105164 Jun 27 12:35 10.3.1.253_75497697.rrd
-rw-r--r-- 1 root root 105164 Jun 27 12:35 10.3.1.253_75497705.rrd
-rw-r--r-- 1 root root 105164 Jun 27 12:35 10.3.1.253_75497713.rrd
-rw-r--r-- 1 root root 105164 Jun 27 12:35 10.3.1.253_75497721.rrd
but these file names (the part after the underscore) don't match what Nagios was looking for...?
I don't know what is going on really. It seems like Nagios was expecting one file name, when the file is actually being named something different.

Re: Wizard "Network Switch / Router" - check_xi_service_mrtg

Posted: Mon Jun 27, 2011 1:53 pm
by GldRush98
Just tried removing/adding the switch again. Same problems.
Noticed the mail log spewed a bunch of messages...

Code: Select all

2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497486][_IN_] ' $target->[1646]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497486][_OUT_] ' $target->[1646]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497497][_IN_] ' $target->[1647]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497497][_OUT_] ' $target->[1647]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497505][_IN_] ' $target->[1648]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497505][_OUT_] ' $target->[1648]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497513][_IN_] ' $target->[1649]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497513][_OUT_] ' $target->[1649]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497521][_IN_] ' $target->[1650]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497521][_OUT_] ' $target->[1650]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497529][_IN_] ' $target->[1651]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497529][_OUT_] ' $target->[1651]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497537][_IN_] ' $target->[1652]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497537][_OUT_] ' $target->[1652]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497545][_IN_] ' $target->[1653]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497545][_OUT_] ' $target->[1653]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497553][_IN_] ' $target->[1654]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497553][_OUT_] ' $target->[1654]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497561][_IN_] ' $target->[1655]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497561][_OUT_] ' $target->[1655]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497569][_IN_] ' $target->[1656]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497569][_OUT_] ' $target->[1656]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497577][_IN_] ' $target->[1657]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497577][_OUT_] ' $target->[1657]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497585][_IN_] ' $target->[1658]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497585][_OUT_] ' $target->[1658]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497593][_IN_] ' $target->[1659]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497593][_OUT_] ' $target->[1659]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497601][_IN_] ' $target->[1660]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497601][_OUT_] ' $target->[1660]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497609][_IN_] ' $target->[1661]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497609][_OUT_] ' $target->[1661]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497617][_IN_] ' $target->[1662]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497617][_OUT_] ' $target->[1662]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497625][_IN_] ' $target->[1663]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497625][_OUT_] ' $target->[1663]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497633][_IN_] ' $target->[1664]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497633][_OUT_] ' $target->[1664]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497641][_IN_] ' $target->[1665]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497641][_OUT_] ' $target->[1665]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497649][_IN_] ' $target->[1666]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497649][_OUT_] ' $target->[1666]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497657][_IN_] ' $target->[1667]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497657][_OUT_] ' $target->[1667]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497665][_IN_] ' $target->[1668]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497665][_OUT_] ' $target->[1668]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497673][_IN_] ' $target->[1669]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497673][_OUT_] ' $target->[1669]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497681][_IN_] ' $target->[1670]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497681][_OUT_] ' $target->[1670]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497689][_IN_] ' $target->[1671]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497689][_OUT_] ' $target->[1671]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497697][_IN_] ' $target->[1672]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497697][_OUT_] ' $target->[1672]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497705][_IN_] ' $target->[1673]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497705][_OUT_] ' $target->[1673]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497713][_IN_] ' $target->[1674]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497713][_OUT_] ' $target->[1674]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497721][_IN_] ' $target->[1675]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497721][_OUT_] ' $target->[1675]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497729][_IN_] ' $target->[1676]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497729][_OUT_] ' $target->[1676]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497737][_IN_] ' $target->[1677]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497737][_OUT_] ' $target->[1677]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497745][_IN_] ' $target->[1678]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497745][_OUT_] ' $target->[1678]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497753][_IN_] ' $target->[1679]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497753][_OUT_] ' $target->[1679]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497761][_IN_] ' $target->[1680]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497761][_OUT_] ' $target->[1680]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497769][_IN_] ' $target->[1681]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497769][_OUT_] ' $target->[1681]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497777][_IN_] ' $target->[1682]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497777][_OUT_] ' $target->[1682]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497785][_IN_] ' $target->[1683]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497785][_OUT_] ' $target->[1683]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497793][_IN_] ' $target->[1684]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497793][_OUT_] ' $target->[1684]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497801][_IN_] ' $target->[1685]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497801][_OUT_] ' $target->[1685]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497809][_IN_] ' $target->[1686]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497809][_OUT_] ' $target->[1686]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497817][_IN_] ' $target->[1687]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497817][_OUT_] ' $target->[1687]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497825][_IN_] ' $target->[1688]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497825][_OUT_] ' $target->[1688]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497833][_IN_] ' $target->[1689]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497833][_OUT_] ' $target->[1689]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497841][_IN_] ' $target->[1690]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497841][_OUT_] ' $target->[1690]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497849][_IN_] ' $target->[1691]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497849][_OUT_] ' $target->[1691]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497857][_IN_] ' $target->[1692]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497857][_OUT_] ' $target->[1692]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497865][_IN_] ' $target->[1693]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497865][_OUT_] ' $target->[1693]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497873][_IN_] ' $target->[1694]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497873][_OUT_] ' $target->[1694]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497913][_IN_] ' $target->[1695]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497913][_OUT_] ' $target->[1695]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497921][_IN_] ' $target->[1696]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497921][_OUT_] ' $target->[1696]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497929][_IN_] ' $target->[1697]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497929][_OUT_] ' $target->[1697]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497937][_IN_] ' $target->[1698]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497937][_OUT_] ' $target->[1698]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497945][_IN_] ' $target->[1699]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497945][_OUT_] ' $target->[1699]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497953][_IN_] ' $target->[1700]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497953][_OUT_] ' $target->[1700]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497961][_IN_] ' $target->[1701]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497961][_OUT_] ' $target->[1701]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497969][_IN_] ' $target->[1702]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497969][_OUT_] ' $target->[1702]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75498298][_IN_] ' $target->[1703]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75498298][_OUT_] ' $target->[1703]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75498306][_IN_] ' $target->[1704]{$mode} ' did not eval into defined data
2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75498306][_OUT_] ' $target->[1704]{$mode} ' did not eval into defined data

Re: Wizard "Network Switch / Router" - check_xi_service_mrtg

Posted: Mon Jun 27, 2011 2:20 pm
by nscott
GldRush,

Can you verify that RRDs.pm is installed?

Code: Select all

perl -MRRDs -le 'print q(ok!)'
Are you attempting to re-add switches that had previously been added previously? MRTG might be interpreting those as new switches. I'm not sure how familiar you are with MRTG. but try removing the configuration of the switch in /etc/mrtg/mrtg.cfg. DO NOT delete the whole file, just the lines that are relevant to the switch you're re-adding.

Re: Wizard "Network Switch / Router" - check_xi_service_mrtg

Posted: Mon Jun 27, 2011 2:39 pm
by GldRush98
nscott wrote:GldRush,

Can you verify that RRDs.pm is installed?

Code: Select all

perl -MRRDs -le 'print q(ok!)'
Are you attempting to re-add switches that had previously been added previously? MRTG might be interpreting those as new switches. I'm not sure how familiar you are with MRTG. but try removing the configuration of the switch in /etc/mrtg/mrtg.cfg. DO NOT delete the whole file, just the lines that are relevant to the switch you're re-adding.
[root@localhost ~]# perl -MRRDs -le 'print q(ok!)'
ok!
[root@localhost ~]#
I will have a look through the mrtg.cfg file. My apologies if this issue is not related to the OP's. I thought it might be, which is why I posted it in this thread instead of a new one.

Edit: Just a quick grep on that file shows a bunch of references to the switch I'm trying to add. How should I go about cleaning this file up? Is there any way to re-generate it or am I looking at a manual cleanup?

Re: Wizard "Network Switch / Router" - check_xi_service_mrtg

Posted: Mon Jun 27, 2011 3:12 pm
by nscott
I will have a look through the mrtg.cfg file. My apologies if this issue is not related to the OP's. I thought it might be, which is why I posted it in this thread instead of a new one.
Don't worry about, its the same vein and it makes sense you posted it under here. :)
Just a quick grep on that file shows a bunch of references to the switch I'm trying to add. How should I go about cleaning this file up? Is there any way to re-generate it or am I looking at a manual cleanup?
Unfortunately there is not. They all dump to the main mrtg.cfg.

Edit: I was able to duplicate your exact error log in the mail file. Working on it now.

Re: Wizard "Network Switch / Router" - check_xi_service_mrtg

Posted: Mon Jun 27, 2011 3:33 pm
by nscott
Alright,

I was getting this exact same error:

Code: Select all

2011-06-27 13:45:42: ERROR: Target[10.3.1.253_75497486][_IN_] ' $target->[1646]{$mode} ' did not eval into defined data
Albeit, it was different numbers. I deleted the switch config from the mrtg.cfg. Added the line

WorkDir: /var/lib/mrtg

to the global commands. Then I removed the switches from Nagios and re-added them. The services initially came up as "RRDs not found" but MRTG created them about 10 minutes later and the data being written seems correct.

Re: Wizard "Network Switch / Router" - check_xi_service_mrtg

Posted: Mon Jun 27, 2011 3:42 pm
by GldRush98
Yup, the key was cleaning up the old switch out of the mrtg.cfg file.

I cleaned up the mrtg.cfg file, which actually turned out to be easier than I thought it would be once I delved in to it.

I then re-added the switch, and everything seems to be working like it should! :mrgreen:
The rrd files were generated automatically, and they are logging traffic as they should.
So it looks like some clutter in the mrtg.cfg file was the root cause of my particular problem.

To anyone else having this problem, basically I removed the switch and its services via the core manager, then I edited the mrtg.cfg file (made a backup first!) and removed the config sections for the errant switch (the file actually isn't too bad to understand, just look through it and it should be fairly obvious where the sections are for each switch). Then I re-added the switch after editing the file and everything worked as it should.

This switch was added in before as another switch (we replaced our Core over the weekend) and as such as I was just wanting to delete the old switch and its data out and re-add the new switch in to get the status and bandwidth counters working for all the ports on the new Core switch.

Thanks again for your assistance Nicholas.

Not sure if this is a problem with the 2011R1.5 (I updated this morning before I had made any changes in Nagios), or what, but a heads up for others...

Re: Wizard "Network Switch / Router" - check_xi_service_mrtg

Posted: Mon Jun 27, 2011 3:53 pm
by nscott
Awesome glad to hear it GldRush, thanks for posting your results.

Re: Wizard "Network Switch / Router" - check_xi_service_mrtg

Posted: Tue Jun 28, 2011 7:07 am
by srrhd
I modified /etc/mrtg/mrtg.cfg to add under the ThreshDir line "WorkDir: /var/lib/mrtg".

Then i add a new host in v2c... I know i am kind of stubborn sometimes, but honestly it was unintentionnally. And it's works !! Sometimes mistakes brings good news ! Nothing appears in /var/mail/root and the the rrd files get filled with data.

Could you just explain me the reason of all this ? Why changing (or forcing) the WorkDir gets everything working ?

Aurelien.
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