centralized server messages.. HOST ALERT is what exactly?

[Gerald Wichmann]

Looking at the output below for one particular server, which I took from
/var/log/messages on my central server, I've cut out the output for the
other service checks and focused soley on the ping related ones..
 
Whats exactly is "HOST ALERT:" generated by? As you can see it *is*
receiving external commands properly and PING is OK, yet the HOST ALERT
gripes that it's DOWN? And before you ask, yes my ping service is set to
passive only.. See service output below as well for ping..
 
 
Jan  3 14:43:21 dhcp-51-205 nagios: EXTERNAL COMMAND:
PROCESS_SERVICE_CHECK_RESULT;PSLAB1-ps-sm-poly-05;PING;0;PING OK - Packet
loss = 0%, RTA = 0.37 ms
Jan  3 14:46:00 dhcp-51-205 nagios: HOST ALERT:
PSLAB1-ps-sm-poly-05;DOWN;SOFT;1;CRITICAL - Plugin timed out after 10
seconds
Jan  3 14:46:10 dhcp-51-205 nagios: HOST ALERT:
PSLAB1-ps-sm-poly-05;DOWN;SOFT;2;CRITICAL - Plugin timed out after 10
seconds
Jan  3 14:46:20 dhcp-51-205 nagios: HOST ALERT:
PSLAB1-ps-sm-poly-05;DOWN;SOFT;3;CRITICAL - Plugin timed out after 10
seconds
Jan  3 14:46:30 dhcp-51-205 nagios: HOST ALERT:
PSLAB1-ps-sm-poly-05;DOWN;SOFT;4;CRITICAL - Plugin timed out after 10
seconds
Jan  3 14:46:40 dhcp-51-205 nagios: HOST ALERT:
PSLAB1-ps-sm-poly-05;DOWN;SOFT;5;CRITICAL - Plugin timed out after 10
seconds
Jan  3 14:46:50 dhcp-51-205 nagios: HOST ALERT:
PSLAB1-ps-sm-poly-05;DOWN;SOFT;6;CRITICAL - Plugin timed out after 10
seconds
Jan  3 14:47:00 dhcp-51-205 nagios: HOST ALERT:
PSLAB1-ps-sm-poly-05;DOWN;SOFT;7;CRITICAL - Plugin timed out after 10
seconds
Jan  3 14:47:10 dhcp-51-205 nagios: HOST ALERT:
PSLAB1-ps-sm-poly-05;DOWN;SOFT;8;CRITICAL - Plugin timed out after 10
seconds
Jan  3 14:47:20 dhcp-51-205 nagios: HOST ALERT:
PSLAB1-ps-sm-poly-05;DOWN;SOFT;9;CRITICAL - Plugin timed out after 10
seconds
Jan  3 14:48:30 dhcp-51-205 nagios: EXTERNAL COMMAND:
PROCESS_SERVICE_CHECK_RESULT;PSLAB1-ps-sm-poly-05;PING;0;PING OK - Packet
loss = 0%, RTA = 0.51 ms
Jan  3 14:49:10 dhcp-51-205 nagios: HOST ALERT:
PSLAB1-ps-sm-poly-05;UNREACHABLE;HARD;10;CRITICAL - Plugin timed out after
10 seconds
Jan  3 14:50:55 dhcp-51-205 nagios: HOST ALERT:
PSLAB1-ps-sm-poly-05;DOWN;SOFT;1;CRITICAL - Plugin timed out after 10
seconds
Jan  3 14:51:05 dhcp-51-205 nagios: HOST ALERT:
PSLAB1-ps-sm-poly-05;DOWN;SOFT;2;CRITICAL - Plugin timed out after 10
seconds
Jan  3 14:51:15 dhcp-51-205 nagios: HOST ALERT:
PSLAB1-ps-sm-poly-05;DOWN;SOFT;3;CRITICAL - Plugin timed out after 10
seconds
Jan  3 14:51:25 dhcp-51-205 nagios: HOST ALERT:
PSLAB1-ps-sm-poly-05;DOWN;SOFT;4;CRITICAL - Plugin timed out after 10
seconds
Jan  3 14:51:35 dhcp-51-205 nagios: HOST ALERT:
PSLAB1-ps-sm-poly-05;DOWN;SOFT;5;CRITICAL - Plugin timed out after 10
seconds
Jan  3 14:51:45 dhcp-51-205 nagios: HOST ALERT:
PSLAB1-ps-sm-poly-05;DOWN;SOFT;6;CRITICAL - Plugin timed out after 10
seconds
 
# Service definition
define service{
        use                             generic-service         ; Name of
service template to use
 
        host_name                       *
        service_description             PING
        is_volatile                     0
        check_period                    24x7
        active_checks_enabled           0
        passive_checks_enabled          1
        check_freshness                 1
        freshness_threshold             600
        max_check_attempts              3
        normal_check_interval           10
        retry_check_interval            5
        contact_groups                  linux-admins
        notification_interval           120
        notification_period             24x7
        notification_options            c,r
        check_command                   check_ping!100.0,20%!500.0,60%
        }
 
 
 
 
 
Gerald Wichmann
Senior Systems Development Engineer
Zantaz, Inc.
925.598.3099 (w)
 


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