C:\ Drive Space wrong CRITICAL alarm

[arly arly]

Hi all,

I have an easy but confusing question. Command for checking hard disk
on my system is defined as

define command {
        command_name    check_nt_disks
        command_line    /usr/lib/nagios/plugins/check_nt -H
'$HOSTADDRESS$' -p 12489  -v '$ARG1$' -l C -w '$ARG2$' -c '$ARG3$'
}


and in windows.cfg for this check I have


define service{
        use                           generic-service
        host_name                 Windows_1
        service_description     C:\ Drive Space
        check_command        check_nt_disks!USEDDISKSPACE!-l C -w 90 -c 95
}


and this as output via nagios web shows RED and critical,

Windows_1  C:\ Drive Space  CRITICAL 	2009-08-12 18:47:59 	0d 6h 1m
17s 	4/4 	C: - total: 135.66 Gb - used: 57.77 Gb (43%) - free 77.89 Gb
(57%)

This is correct state about free space on disk C, but as you can see
it is not full 95% of its capacity when it should report CRITICAL
message.

I checked everything many times, restared nagios servers, but this
state remained. If someone knows some hint, please write it.  On
windows side I am using NSCclient++ and all
checks are correctly repoted.

Thank you in advance

Arlytex

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