No rrd graphs and a full log file

Alternativende · Apr 30th 2018

Hello guys,
i have a problem with our NAS here on work, which isn´t generating the graphs it should with rrd.

Everytime i hit the update button in the WebUI, i get something like this

Code

Apr 30 13:30:01 SERVER rrdcached[6918]: queue_thread_main: rrd_update_r (/var/lib/rrdcached/db/localhost/rrdcached/operations-write-data_sets.rrd) failed with status -1. (/var/lib/rrdcached/db/localhost/rrdcached/operations-write-data_sets.rrd: illegal attempt to update using time 1525087482 when last update time is 1543947137 (minimum one second step))
Apr 30 13:30:01 SERVER rrdcached[6918]: queue_thread_main: rrd_update_r (/var/lib/rrdcached/db/localhost/rrdcached/operations-write-updates.rrd) failed with status -1. (/var/lib/rrdcached/db/localhost/rrdcached/operations-write-updates.rrd: illegal attempt to update using time 1525087482 when last update time is 1543947137 (minimum one second step))
Apr 30 13:30:01 SERVER rrdcached[6918]: queue_thread_main: rrd_update_r (/var/lib/rrdcached/db/localhost/rrdcached/queue_length.rrd) failed with status -1. (/var/lib/rrdcached/db/localhost/rrdcached/queue_length.rrd: illegal attempt to update using time 1525087482 when last update time is 1543947137 (minimum one second step))

I have googled around but couldn´t find any helpful information about this, besides this ( https://emacstragic.net/2012/0…update-using-time-errors/ ). But that didn´t helped me either.

My collectd.conf looks like this now:

Code

PIDFile "/var/run/collectd.pid"
Hostname "localhost"
FQDNLookup true
LoadPlugin syslog
<Plugin syslog>
  LogLevel info
</Plugin>
LoadPlugin rrdcached
<Plugin rrdcached>
  DaemonAddress "unix:/var/run/rrdcached.sock"
  DataDir "/var/lib/rrdcached/db/"
  CreateFiles true
  CollectStatistics true
</Plugin>
LoadPlugin unixsock
<Plugin unixsock>
  SocketFile "/var/run/collectd.socket"
  SocketGroup "root"
  SocketPerms "0660"
</Plugin>
LoadPlugin cpu
LoadPlugin df
<Plugin df>
  MountPoint "/"
  MountPoint "/srv/dev-disk-by-id-md-name-s070-nas-RAID1"
  IgnoreSelected false
</Plugin>
LoadPlugin interface
<Plugin interface>
  Interface "eth0"
  IgnoreSelected false
</Plugin>
LoadPlugin load
LoadPlugin memory

Display More

tekkb · Apr 30th 2018

What version of OMV? What cpu?

votdev · Apr 30th 2018

More interesting is the hardware, especially if it has a RTC (Real Time Clock).

tekkb · Apr 30th 2018

I just went through an issue with a RPI 2 and OMV 3.x with Armbian, and an RTC module. I think when Aaron made the image he disabled the /system/monitoring which disabled omv-mkgraph script. Had to read through some code to find out what was going on. But yeah, you need more information here before you can answer his questions.

I also found that when clearing out the old graphs that rrdcached needed to be restarted before restarting collectd or you would get an error. This didn't happen on Debian Wheezy.

Order to clear out old graphs with Debian Jessie or above:
rm -r /var/lib/rrdcached/db/localhost
rm /var/lib/rrdcached/journal/*
systemctl restart rrdcached
systemctl restart collectd

votdev · Apr 30th 2018

You can reset the graphs with omv-firstaid in OMV4.

tekkb · Apr 30th 2018

Good to know. It will save me a lot of time.

Alternativende · May 1st 2018

It´s a normal PC with an Intel CPU, i can give you some details tomorrow. Im running OMV 3 on it.

What hardware details do you need?

I have no idea about the RTC question, i have to check it.

tekkb · May 2nd 2018

That is enough info. Don't need more. Make sure that under system/monitoring the slider is green (enabled) and save it if you need to.

Then check if these services are enabled with these commands:

systemctl is-enabled rrdcached
systemctl is-enabled collectd

If they are both enabled clear your graphs and restart the services with:

rm -r /var/lib/rrdcached/db/localhost
rm /var/lib/rrdcached/journal/*
systemctl restart rrdcached
systemctl restart collectd

If one, or both, of the services are not enabled do this and then clear the graphs with the steps just above:

systemctl enable rrdcached
systemctl enable collectd

tekkb · May 2nd 2018

Clear excessive logs with this command:

rm /var/log/*.gz

Alternativende · May 15th 2018

Thanks @tekkb, that did the trick. It´s working now .

Participate now!