Munin Error....

So after a while of not running munin, I have restarted the munin-node service (the cron job has been running for the entire time). After about 15 minutes, I noticed that the graphs still have not been rebuilt which has led me to my /var/log/munin/munin-update.log file.

Every 5 minutes I get the following entries…

2013/01/14 18:05:01 [INFO]: Starting munin-update
2013/01/14 18:05:01 [INFO] starting work in 842 for localhost/localhost:4949.
2013/01/14 18:05:01 Failed to connect to node localhost:4949/tcp : Address family not supported by protocol
2013/01/14 18:05:01 [ERROR] Munin::Master::UpdateWorker <localhost;localhost>failed to connect to node
2013/01/14 18:05:11 [INFO] Remaining workers: localhost;localhost
2013/01/14 18:05:11 [INFO] Reaping Munin::Master::UpdateWorker<localhost;localhost>.  Exit value/signal: 20/0
2013/01/14 18:05:11 [INFO]: Munin-update finished (10.17 sec)</localhost;localhost></localhost;localhost>

I have done some research and found a few postings with the same issue, none if which have resolved my issue. Some signs points to an IP4/6 issue? Any help would be appreciated.

Thank you,

Eric

5 Replies

When I moved from Ubuntu 12.04 to 12.10, my munin graphs also stopped working. My understanding is that this is a problem relating to IPV6, but I could not find much about it either. I struggled with the [munin and munin-node] config files for a while to no avail. Perl's Server::Net seemed to be noted as having an error that relates to the problem, but again I could not find definitive information other that noting a Debian upstream fix for Server::Net that is not in Ububtu 12.10 yet. I beat my head on it for a while, and finally decided to ride it out and wait for the next Ubuntu version.

James

@zunzun:

When I moved from Ubuntu 12.04 to 12.10, my munin graphs also stopped working. My understanding is that this is a problem relating to IPV6, but I could not find much about it either. I struggled with the [munin and munin-node] config files for a while to no avail. Perl's Server::Net seemed to be noted as having an error that relates to the problem, but again I could not find definitive information other that noting a Debian upstream fix for Server::Net that is not in Ububtu 12.10 yet. I beat my head on it for a while, and finally decided to ride it out and wait for the next Ubuntu version.

James

That is what I was afraid of. I was pretty surprised that there was very little detail on this. I kinda figured at first I would Google the error and have a fix in no time….that was not the case. I am still thinking it has something to do with the IP4/6 but no idea exactly how. I expected this to be a more common issue than it seems to be.

Perhaps changing references in the config from "localhost" to "127.0.0.1" would help by forcing use of IPv4? Just a guess, I'm not familiar with munin.

It was actually that before. I changed it to local host to try it

This might be of some help:

http://munin-monitoring.org/wiki/IPv6

That page has a work around for munin 1.4 or you could install the svn version.

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