DISK UNKNOWN

[Nathanael Hoyle]

Jake Solid wrote:
> I'm using the check_nrpe to check the space of the filesystems. The 
> check_nrpe its able to check the space for all the volumes except one 
> of them
>
> [root at nagios plugins]# ./check_nrpe -H vm.domain.com 
> <http://vm.domain.com> -c check_disk3
> DISK UNKNOWN - free space:|
>
Don't test as root, test as the nagios user (unless you're running 
nagios as root, which you shouldn't be).
> disk3 is filesystem /dev/mapper/VolGroup01-infoVol00  which is mounted 
> on /vservers/colombia/info. This is where the MySQL database reside.
What are the mount options in /etc/fstab or similar?  What permissions 
apply to the mount for what users?
>
> Why is showing DISK UNKNOWN - free space ??
>
> This is how they are mapped:
> =====================
> Filesystem            Size  Used Avail Use% Mounted on
> /dev/mapper/VolGroup00-LogVol02
>                       138G   52G   79G  40% /
> /dev/md1              7.8G  153M  7.2G   3% /boot
> tmpfs                  14G     0   14G   0% /dev/shm
> /dev/mapper/VolGroup00-LogVol00
>                        16G  173M   15G   2% /tmp
> /dev/mapper/VolGroup00-LogVol01
>                        16G  974M   14G   7% /var
> /dev/mapper/VolGroup01-infoVol00
>                       119G   96G   17G  85% /vservers/colombia/info
>
> If I run the command /usr/lib64/nagios/plugins/check_disk -w 20% -c 
> 10% -p /dev/mapper/VolGroup01-infoVol00  from the server that its 
> getting monitored it outputs the information ok like the following:
>
Who are you running that as?  As root again? What happens if you run 
that command on the monitored server as the user running the nrpe process?
> DISK CRITICAL - free space: /vservers/fred/data 6113 MB (5% 
> inode=99%);| /vservers/colombia/info =108694MB;96760;108855;0;120951
>
> If I use the mount point when running the line from the monitored 
> server it also gives the proper output.
>
> Now, If I use the check_nrpe with the check_disk option from the 
> nagios server is when it give incompleted output like the following:
>
> DISK UNKNOWN - free space:|
>
> If specify the mount point in the nrpe.cfg of the monitored server and 
> then run the check_nrpe with the check_disk from the nagios server. It 
> gives the following:
>
> DISK CRITICAL - /vservers/colombia/info does not exist
What are the directory permissions for /vservers and /vservers/columbia ?
>
> Any inputs?
> ------------------------------------------------------------------------


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