After a server crash, i get this error: CHECK_DISKIO UNKNOWN - Cannot open timer (): No such file or directory. This command was working fine untill my server got a high load, and ended with a force reboot.
The architecture of the monitoring system is made by a server who running nagios and checks other 30 servers. on the monitoring server the command for diskiosda check is: check_nrpe!-H xx.xx.xx.xx -c check_diskiosda (xx is the monitored server IP).
this is the only server who’s havening a different nagios monitoring system. I guess is without nrpe. Beccause the file /usr/local/nagios/etc/nrpe.cfg
is missing. all installation is on etc/nagios and the i have objects and command config file
Si this possible that this error to arise due to a HDD bad sector? (the cluster who use to have that plugin wrriten on it is gone?