[Nagiosplug-help] check_disk 1.7 problem: Disk "/dev/sda3" not mounted or nonexistant

[Justin Albstmeijer]

Hi,

Any idea what the problem is?

/usr/lib/nagios/plugins/check_disk -w 20 -c 10 -p /dev/sda3
Disk "/dev/sda3" not mounted or nonexistant

df /dev/sda3
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda3             26683960   1472732  23855744   6% /