question about alert

[Edwin Zoeller]

Is this a Linux server you are checking?

From: Claudio Kuenzler [mailto:ck at claudiokuenzler.com]
Sent: Saturday, March 24, 2012 11:37 AM
To: Nagios Users List <nagios-users at lists.sourceforge.net>
Subject: Re: [Nagios-users] question about alert

Hello,

I agree that the server still has plenty of space and also inodes look OK.
So what you need to find out now is the WARNING and CRITICAL thresholds. These thresholds determine when a warning or critical notification should be sent by Nagios. The warning threshold is probably set very low.

As this check is a NRPE check, you have to find this information on your host serv2 (172.19.4.192) in the nrpe.cfg file.
You have to look for the check_command[*] lines and find the check responsible for the disk space. There you will find the warning (-w) and critical (-c) thresholds which you can adapt and then restart the nrpe daemon.

On Fri, Mar 23, 2012 at 8:20 PM, csbender <csbender at bellsouth.net<mailto:csbender at bellsouth.net>> wrote:
Hi Group,

I am having a bit of a time understanding a NAGIOS alert that was setup be my
predecessor.
I will show the alert that is on disc availability, and then below that I show
the NAGIOS display
 of the alert conditions of dic conditions and lastly I show the actual values
of the disc "df" command
from the Server itself.

My question is this.....what is the service complaining about? There appears
tobe plenty of disk space based on the email. The actual "df" itself seems
to be that there is space issues looking at bits but the availabile percentage
seems high.

Thanks for your help in advance.

1.

***** Nagios *****

Notification Type: PROBLEM

Service: NRPE Check Disk Space
Host: serv2
Address: 172.19.4.192
State: WARNING

Date/Time: Fri Mar 23 18:41:10 UTC 2012

Additional Info:

DISK WARNING - free space: / 9019 MB (66% inode=92%): /usr01 24905 MB (20%
inode=89%): /usr02 11731 MB (85% inode=99%): /opt 106873 MB (92% inode=99%):
/export/home 6746 MB (98% inode=99%):




2.

Service State Information
Current Status:   WARNING   (for  1d 20h 40m 17s)
Status Information: DISK  WARNING - free space: / 9019 MB (66% inode=92%):
/usr01 24894 MB (20%  inode=89%): /usr02 11731 MB (85% inode=99%): /opt 106873
MB (92%  inode=99%): /export/home 6746 MB (98% inode=99%):
ÿ>¨ÿ>2H@

Performance Data: /=4622MB;11024;12402;0;13780
/usr01=96952MB;98461;110769;0;123077 /usr02=1910MB;11024;12402;0;13780
/opt=8151MB;92948;104567;0;116186 /export/home=74MB;5512;6201;0;6890

Current Attempt: 3/3  (HARD state)
Last Check Time: 03-23-2012 19:11:06
Check Type: ACTIVE
Check Latency / Duration: 0.169 / 0.054 seconds
Next Scheduled Check:   03-23-2012 19:21:06
Last State Change: 03-21-2012 22:35:06
Last Notification: 03-23-2012 18:41:10 (notification 45)
Is This Service Flapping?   NO   (0.00% state change)
In Scheduled Downtime?   NO
Last Update: 03-23-2012 19:15:20  ( 0d  0h  0m  3s ago)
Active Checks:   ENABLED
Passive Checks:   ENABLED
Obsessing:   ENABLED
Notifications:   ENABLED
Event Handler:   ENABLED
Flap Detection:   ENABLED      Service Commands
 Disable active checks of this service
 Re-schedule the next check of this service
 Submit passive check result for this service
 Stop accepting passive checks for this service
 Stop obsessing over this service
 Acknowledge this service problem
 Disable notifications for this service
 Delay next service notification
 Send custom service notification
 Schedule downtime for this service
 Disable event handler for this service
 Disable flap detection for this service




3.

# df -F ufs -o i
Filesystem             iused   ifree  %iused  Mounted on
/dev/dsk/c0t0d0s0     133920 1562592     8%   /
/dev/dsk/c0t0d0s3    1598566 13531674    11%   /usr01
/dev/dsk/c0t1d0s0      71653 14216347     1%   /opt
/dev/dsk/c0t1d0s3         22 1696490     0%   /usr02
/dev/dsk/c0t1d0s4       5906  842350     1%   /export/home

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