SimonFlexible server monitoring
SimonTrying to get my head around filters so I created a simple script which outputs the percentage of disk space used:-
df -hl|grep "/"|awk {'print $5'}
The output displayed using Preview is 84%
My filter is:-
Success Number more than 95% input Response Text
Fail if input greater than fixed value of 95
The monitor always shows as failed.
I modified the Filter so that it strips the percentage symbol.
What am I doing wrong?
Thanks
Nic
| Attachment | Size |
|---|---|
| disk space service | 35.62 KB |
| Filter | 38.76 KB |
| Activity log | 50.34 KB |
Re: Disk space filter?
Check the Activity log; it shows what the service and each filter outputs. That might show the error.
Though I think I see the issue, if I'm interpreting you correctly — your second filter should also be a Success one, i.e. it should be used when the previous filter is successful.
If that doesn't help, edit your original forum post to attach a screenshot of the Filters page and Activity log. (You can't attach to comments.) Or email me.
Re: Disk space filter?
Hi,
Thanks for the reply. I've added a couple of screen shots (to the original post) which hopefully will help. The Activity screen didn't really help me much. I read the filter as it is successful unless the value returned is greater than the fixed value specified, in which case it's a fail. I'm not sure what I should define as a second filter for this.
Help appreciated.
Re: Disk space filter?
Ah, the issue is that the service outputs "86%" plus a linefeed. The Number filter requires just numeric digits, so you need another filter before the Number one to strip off the percent and linefeed characters. A simple Block filter with a % in the End text (and Start text blank) would be sufficient.
Alternatively, you can edit the "Number More Than 95%" filter (or a duplicate) to ignore those characters. (I'm not sure why it doesn't already ignore the percent sign; it should.)
Another option would be to alter your service to only output the digits.
Hope this helps.
Re: Disk space filter?
Ah, now I get it! :-)
I had already filtered the percent symbol under the 'greater than' filter which obviously didn't remove the return. I removed this, added in a block filter and this now works.
Many thanks for your help
Nic