[Bug 409958] Re: Sends false disk space alerts

[Ryan Lovett]

According to the output above, both disk space and inode usage are being
checked. For example

/var 88850 MB (91% inode=99%)

But

# df -i /var
Filesystem            Inodes   IUsed   IFree IUse% Mounted on
/dev/sdb5            6483456   36212 6447244    1% /var
# df -h /var
Filesystem            Size  Used Avail Use% Mounted on
/dev/sdb5             100G  8.2G   87G   9% /var

The nagios output is displaying free space and free inodes but appears
to be sending out a warning thinking the percentages are utilized space
and utilized inodes. Given that 91% (disk free) and 99% (inode free) are
greater than 20%, a warning should not have been sent.

localhost_nagios2.cfg:
# Define a service to check the disk space of the root partition
# on the local machine.  Warning if < 20% free, critical if
# < 10% free space on partition.

define service{
        use                             generic-service         ; Name of service template to use
        host_name                       localhost
        service_description             Disk Space
        check_command                   check_all_disks!20%!10%
        }

-- 
Sends false disk space alerts
https://bugs.launchpad.net/bugs/409958
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