We have a nagios instance at nagios.front.sepia.ceph.com. Alerts for testnodes are sent to ceph-infra AT redhat DOT com while alerts for production services are sent to dmick and dgalloway.

Load, Disk Space, and HTTP are built-in Nagios checks performed on applicable host.

** SMART **

Calls /usr/libexec/smart.sh on applicable hosts.

** RAID **

Calls /usr/libexec/raid.pl on applicable hosts.

This checks in with mira021 where a custom nagios plugin is in place. It currently whitelists 'failing to respond to cache pressure' when anything but HEALTH_OK is returned.

root@mira021:~# tail -n 1 /etc/nagios/nrpe_local.cfg
command[check_ceph_health]=/usr/lib/nagios/plugins/ceph-nagios-plugins/src/check_ceph_health --name client.nagios -k /etc/ceph/client.nagios.keyring --whitelist 'failing to respond to cache pressure'