I'm using collectd 5.0.0 compiled on a CentOS 5.6 VM (running under KVM
if that matters) and I'm having issues in setting up notifications. I'm
trying to have this colelctd instance send a notification when the free
space on any partition, as given by the "df" plugin, crosses below a
threshold: the problem is that no notification is being sent as far as I
can see, and I'm unable to determine what I'm doing wrong.
The result of the 'df -h' command is:
[root@echo collectd]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/xvda3 14G 2.8G 11G 21% /
/dev/xvda1 190M 40M 141M 23% /boot
tmpfs 129M 0 129M 0% /dev/shm
I have the following configuration in collectd.conf:
...
Interval 60
...
LoadPlugin df
<Plugin "df">
MountPoint "/"
MountPoint "/boot"
</Plugin>
...
LoadPlugin exec
<Plugin exec>
NotificationExec root "/etc/collectd/collectd-notify.sh"
</Plugin>
...
<Threshold>
<Plugin "df">
<Type "df">
WarningMin 90
FailureMin 85
Persist true
Percentage true
</Type>
</Plugin>
</Threshold>
I've explicitly set the threshold values higher than the currently used
percentage to ensure that at least the warning threshold is crossed. The
script in NotificationExec is trivial:
[root@echo scripts]# cat /etc/collectd/collectd-notify.sh
#!/bin/sh
echo "blah" >> /var/log/collectd/notification.log
It is executable and it works when called by itself.
Given this configuration, I would expect to have a "blah" string
written to the /var/log/collectd/notification.log file each 60 seconds.
However, nothing happens and the notification.log isn't even created.
Can anyone help ?
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