Help with "DISK UNKNOWN - free space: " error

[Ernesto Sanchez]

Hello, I've a server with nrpe and the following commands in 
/usr/local/nagios/etc/nrpe.cfg :

command[check_users]=/usr/local/nagios/libexec/check_users -w 5 -c 10
command[check_load]=/usr/local/nagios/libexec/check_load -w 15,10,5 -c 
30,25,20
command[check_hda1]=/usr/local/nagios/libexec/check_disk -w 20% -c 10% 
-p /dev/root
command[check_zombie_procs]=/usr/local/nagios/libexec/check_procs -w 5 
-c 10 -s Z
command[check_total_procs]=/usr/local/nagios/libexec/check_procs -w 150 
-c 200
command[check_mem]=/usr/local/nagios/libexec/check_mem.sh 85 95

if I exec in a console /usr/local/nagios/libexec/check_disk -w 20% -c 
10% -p /dev/root i obtain the following:

DISK OK - free space: /var/named/chroot/var/run/dbus 24513 MB (52% 
inode=88%);| /var/named/chroot/var/run/dbus=21787MB;39005;43881;0;48757

In the nagios server i've the following config file:

define host{
         use                     generic-host            ; Name of host 
template to us
         host_name               server_name
         alias                   alas_server_name
         address                 ip_address
         icon_image base/linux40.jpg
         statusmap_image base/linux40.gd2
         }

# Check hda1
define service{
         use generic-service
         host_name server_name
         service_description Disk
         check_command check_nrpe!check_hda1
         }

But nagios report an "DISK UNKNOWN - free space: " on web interface and 
the same if I do /usr/lib/nagios/plugins/check_nrpe -H ip_address -c 
check_hda1

Somebody can help me?

A lot of thanks in advance.

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