olegik-hp вы абсолютно правы.
Сейчас вырисовалась такая проблема. после перезагрузки всего сервера в логе /var/log/nagios3/nagios.log
[1347959074] Nagios 3.2.3 starting... (PID=5166)
[1347959074] Local time is Tue Sep 18 13:04:34 MSK 2012
[1347959074] LOG VERSION: 2.0
[1347959074] ndomod: NDOMOD 1.4b9 (10-27-2009) Copyright (c) 2009 Nagios Core Development Team and Community Contributors
[1347959074] ndomod: Could not open data sink! I'll keep trying, but some output may get lost...
[1347959074] Event broker module '/usr/lib/ndoutils/ndomod-mysql-3x.o' initialized successfully.
[1347959074] Finished daemonizing... (New PID=5167)
[1347959090] ndomod: Still unable to connect to data sink. 683 items lost, 5000 queued items to flush.
[1347959106] ndomod: Still unable to connect to data sink. 775 items lost, 5000 queued items to flush.
[1347959122] ndomod: Still unable to connect to data sink. 874 items lost, 5000 queued items to flush.
[1347959138] ndomod: Still unable to connect to data sink. 992 items lost, 5000 queued items to flush.
[1347959154] ndomod: Still unable to connect to data sink. 1078 items lost, 5000 queued items to flush.
[1347959170] ndomod: Still unable to connect to data sink. 1191 items lost, 5000 queued items to flush.
не как не могу побороть. кто нибудь сталкивался ? очень нужен совет.