check_disk plugin

[Stuart Browne]

> Hi All
> 
> When I run the check_disk plugin it only detects the first disks
> numbers.
> 
> [root at wsrv1 nagios]# /usr/lib/nagios/plugins/check_disk -w 80
> DISK WARNING - free space: / 14512 MB (50% inode=97%); /boot 58 MB (62%
> inode=99%); /mnt/disk 16522 MB (53% inode=99%); /mnt/dbdata 2445 MB (7%
> inode=99%); /dev/shm 633 MB (62% inode=99%);| /=13958MB;29617;;0;29697
> /boot=35MB;18;;0;98 /mnt/disk=14090MB;32171;;0;32251
> /mnt/dbdata=28166MB;32171;;0;32251 /dev/shm=379MB;933;;0;1013
> 
> [root at wsrv1 nagios]# /usr/lib/nagios/plugins/check_disk -w 20
> DISK OK - free space: / 14512 MB (50% inode=97%); /boot 58 MB (62%
> inode=99%); /mnt/disk 16522 MB (53% inode=99%); /mnt/dbdata 2445 MB (7%
> inode=99%); /dev/shm 633 MB (62% inode=99%);| /=13958MB;29677;;0;29697
> /boot=35MB;78;;0;98 /mnt/disk=14090MB;32231;;0;32251
> /mnt/dbdata=28166MB;32231;;0;32251 /dev/shm=379MB;993;;0;1013
> 
> The second command should still warn me as dbdata is almost full.
> [root at wsrv1 nagios]# df --si
> Filesystem             Size   Used  Avail Use% Mounted on
> /dev/mapper/VolGroup00-LogVol00
>                         32G    15G    16G  50% /
> /dev/sda1              104M    38M    62M  38% /boot
> /dev/sdb5               34G    15G    18G  47% /mnt/disk
> /dev/sdc5               34G    30G   2.6G  93% /mnt/dbdata
> tmpfs                  1.1G   399M   665M  38% /dev/shm


The '-w' and '-c' values are how many MB are free, not a percentage, unless you give a % symbol:

# check_disk -w 20%

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