Am 2024-02-21 um 18:06 schrieb Astrid Kuhr: > Hello! > > I am using check_disk > (check_disk v2.3.1 (monitoring-plugins 2.3.1)) > for some filesystems. > > But for one filesystem of this, the perfdata > has strong values inside. > > As example: > > df -h > /dev/mapper/raid-home 4,0T 3,4T 553G 87% /home > /dev/mapper/raid-other 197G 155G 41G 80% /other > > /usr/lib/nagios/plugins/check_disk -w 12% -c 10% --unit GB -p /home > DISK OK - free space: /home 552 GB (13% inode=97%);| > /home=3474GB;3547;3627;0;4031 > > /usr/lib/nagios/plugins/check_disk -w 12% -c 10% --unit GB -p /other > DISK OK - free space: /usr/local/cfx 40 GB (20% inode=88%);| > /other=154GB;172;176;0;196 > > But if I look into NagiosGrid I will find this for /home: > > Status Information: DISK OK - free space: /home 1 GB (90% inode=99%): > Performance Data: /home=0GB;0;0;0;1 > > Which I do not understand, because it does not fit to the data, which > the command at console has as output. > > For the filesystem /other it is similar to command: > > Status Information: DISK OK - free space: /other 40 GB (20% inode=88%): > Performance Data: /other=154GB;166;176;0;196 > > Is it possible, that Nagios can not do with terrabyte disks? > > Nagios is Nagios Core 4.4.7 from Suse Leap 15.5. > > Thanx. > > Regards, Astrid
Hello Astrid, nagios does not know anything about the filesystem size. It just executes a command, normally using a plugin, and uses the returned text output and return values (aka "errorlevel"). Can it be that nagios executes a check_nrpe command that triggers something other on the monitored host than you execute yourself manually? I had this several times, because some plugins store their default config in /etc/nrpe.d and thus nrpe commands may be defined multiple times. You can never be sure which of the definitions are used. So I have nrpe checking in /etc/nrpe.ufz.d instead of the standard /etc/nrpe.d, which often gets infested when updates roll in ;) You can execute "grep -rn check_disk /etc/nrpe.d/*" to check this. And make sure that you change all commands in /etc/nrpe.cfg to comments. HTH, Werner
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