check_disk command

[Phan, Thao-Chi X]

Please explain to me why the /usr/local/groundwork/nagios/libexec/check_disk doesn't report the correct disk space free on 2 mount points /data02b and /data02a on a server.

root at abc2/usr/local/groundwork/nagios/libexec# df -m
Filesystem    MB blocks      Free %Used    Iused %Iused Mounted on
/dev/hd4         512.00    336.67   35%     5761     3% /
/dev/hd2        5120.00   2051.53   60%    44310     4% /usr
/dev/hd9var      512.00    228.29   56%    26189    20% /var
/dev/hd3        3072.00   2973.20    4%      101     1% /tmp
/dev/hd1        7168.00   4794.46   34%     1854     1% /home
/proc                 -         -    -         -     -  /proc
/dev/hd10opt    1024.00    320.47   69%     9826     4% /opt
/dev/locallv    2048.00   1136.73   45%      720     1% /usr/local
/dev/hd11admin    128.00    123.93    4%       20     1% /admin
/dev/oralv    143360.00 100961.11   30%   203739     1% /oracle
/dev/data01lv 276224.00 124619.55   55%       86     1% /data01
/dev/eplv        256.00    253.61    1%        6     1% /epic
/dev/clarlv   303104.00  89595.34   71%    67974     1% /epic/clarity
/dev/ftplv       512.00    507.60    1%        4     1% /ftpdir
/dev/dbkuplv   97792.00  67809.48   31%     3748     1% /dbkup
/dev/data03lv 215040.00  32499.46   85%       89     1% /data03
/dev/ctmaglv    5120.00   4587.26   11%     3301     1% /ctmag
/dev/dump_cp    5120.00   5098.90    1%        4     1% /var/adm/ras/dump_cp
/dev/lv00     27873280.00 11204341.16   60%      880     1% /data02b
/dev/lv02       5120.00   5027.61    2%       12     1% /data04b
/dev/lv01      46080.00  16327.36   65%       14     1% /oraredob
/dev/lv04a    27873280.00 2550106.27   91%      880     1% /data02a
/dev/lv06a      5120.00   5027.61    2%       12     1% /data04a
/dev/lv05a     46080.00  16327.36   65%       14     1% /oraredoa
-------INCORRECT --- 0 MB is not correct. 0% free is not correct.
root at abc2 /usr/local/groundwork/nagios/libexec# ./check_disk -w 2% -c 0% -p /data02b
DISK CRITICAL - free space: /data02b 0 MB (0% inode=99%);| /data02b=2147483647MB;10874142;11096064;0;11096064

-------INCORRECT ---- 22% free is not correct
root at abc2 /usr/local/groundwork/nagios/libexec# ./check_disk -w 2% -c 0% -p /data02a
DISK OK - free space: /data02a 2550106 MB (22% inode=99%);| /data02a=8545957MB;10874142;11096064;0;11096064


-------CORRECT
root at abc2 /usr/local/groundwork/nagios/libexec# ./check_disk -w 2% -c 0% -p /data04a
DISK OK - free space: /data04a 5027 MB (98% inode=99%);| /data04a=92MB;5017;5120;0;5120

-------CORRECT
root at abc2 /usr/local/groundwork/nagios/libexec# ./check_disk -w 2% -c 0% -p /oracle
DISK OK - free space: /oracle 100961 MB (70% inode=99%);| /oracle=42398MB;140492;143360;0;143360

Thanks a lot.

Thao-Chi

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