Nagios Support Forum

installing, configuring, and securing nrpe is non-trivial, and is probably not something we are going to do. The check_disk command can be run successfully on the remote host, and at least partial information makes it back to the nagios. This probaby indicates that connectivity between remote host a...

nope. it's a scsi drive tray.
It's visible when check_disk is run manually, but hidden when run by nagios with the exact same options.

I am using the default check_disk plugin that was packaged with nagios core 3.5.0, and am trying to use the plugin to monitor free space. when running the command directly on the server, I see: check_disk -L -u GB -w05% -c01% DISK OK - free space: / 423 GB (90% inode=98%); /dev/shm 23 GB (100% inode...