UNKNOWN Status Information: Warning threshold must be integer or percentage!

[deny]

hello
i ve this message when i check this service
Status Information:	Warning threshold must be integer or percentage!

hre it is


# Service definition for checking free disk space on /boot
define service{
#  use generic-service
host_name www.linux-pour-lesnuls.com
service_description /hdb1 Free Space
is_volatile 0
check_period 24x7
max_check_attempts              3
normal_check_interval           5
retry_check_interval            1
contact_groups mandrake
notification_interval           120
notification_period             24x7
notification_options c,w,r
check_command check_local_disk!"/dev/hdb1"
  }


some help are really welcome
thanks

-- 
http://www.linux-pour-lesnuls.com



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