[Pkg-nagios-devel] Bug#588273: Bug#588273: nagios-plugins-basic: check_disk fails to handle units as advertized

[Jan Wagner]

Hi Justin,

thanks for your bugreport.

On Tuesday, 6. July 2010, Justin T Pryzby wrote:
> It seems this fails but is intended to work (see the -h help output):
> |$ DF -H /home; echo; /usr/lib/nagios/plugins/check_disk -w 15GB -c 2GB -p
> |/home -vvv Filesystem            Size  Used Avail Use% Mounted on
> |/dev/mapper/jp-home    40G   30G  8.4G  78% /home
> |
> |calling stat on /home
> |For /home, total=10321232, available=2184891, available_to_root=2709067,
> |used=7612165, fsp.fsu_files=5242880, fsp.fsu_ffree=5221430 For /home,
> |used_pct=78 free_pct=22 used_units=29735 free_units=8534
> |total_units=40317 used_inodes_pct=1 free_inodes_pct=99
> |fsp.fsu_blocksize=4096 mult=1048576 Freespace_units result=0
> |Freespace% result=0
> |Usedspace_units result=0
> |Usedspace_percent result=0
> |Usedinodes_percent result=0
> |Freeinodes_percent result=0
> |DISK OK - free space: /home 8534 MB (22% inode=99%);|
> |/home=29735MB;40302;40315;0;40317
> 
> Note that in the perf data output:
> 40302 = 40317 - 15
> MB = MB - GB
> 
> It would seem that the units on the thresholds are ignored.  It works
> with -u, but that loses the ability to specify different partitions or
> 
> thresholds with different units:
> |$ df -h /home; echo; /usr/lib/nagios/plugins/check_disk -w 15 -c 2 -p
> |/home -vvv -u GB Filesystem            Size  Used Avail Use% Mounted on
> |/dev/mapper/jp-home    40G   30G  8.4G  78% /home
> |
> |calling stat on /home
> |For /home, total=10321232, available=2184891, available_to_root=2709067,
> |used=7612165, fsp.fsu_files=5242880, fsp.fsu_ffree=5221430 For /home,
> |used_pct=78 free_pct=22 used_units=29 free_units=8 total_units=39
> |used_inodes_pct=1 free_inodes_pct=99 fsp.fsu_blocksize=4096
> |mult=1073741824 Freespace_units result=1
> |Freespace% result=0
> |Usedspace_units result=0
> |Usedspace_percent result=0
> |Usedinodes_percent result=0
> |Freeinodes_percent result=0
> |DISK WARNING - free space: /home 8 GB (22% inode=99%);|
> |/home=29GB;24;37;0;39

A short consultation with upstream resulted in the conclusion, that the help 
is just wrong. Upstream provided a patch which fixed it and I just applied 
that.
Anyways ... upstream told me, that it would be a nice idea to have this 
feature. Feel free to open a feature request at 
http://sourceforge.net/tracker/?group_id=29880&atid=397600, patches are also 
welcome.

Thanks and with kind regards, Jan.
-- 
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