/dev is full 


# df -h /dev
Filesystem            Size  Used Avail Use% Mounted on
udev                   16G   16G     0 100% /dev

# find /dev -xdev -size +100000
/dev/shm/nagios/nagios_statehistory.MYD
/dev/shm/nagios/nagios_servicechecks.MYD
/dev/shm/nagios/nagios_service_contactgroups.MYI
/dev/shm/nagios/nagios_notifications.MYI
/dev/shm/nagios/nagios_notifications.MYD
/dev/shm/nagios/nagios_logentries.MYD
/dev/shm/nagios/nagios_externalcommands.MYI
/dev/shm/nagios/nagios_externalcommands.MYD