Re: How does monit check disk usage technically?

[Martin Pala]

Monit uses the system's statfs API.

The filesystem usually have some part reserved for superuser (ca. 5% on 
other unixes).

What's your supposed disk usage (difference between monit and other 
tools report?)

Thanks,
Martin


Sergio Trejo wrote:
> Hello again,
>
> I just edited a monit configuration file which monitors devices (disc 
> volumes) on my Mac server running Mac OS X 10.4.10. The discs attached 
> are the HFS+ file system types (standard for Apple).
>
> My device entry in the monit configuration file looks like this:
>
> check device SomeDiscName with path /dev/disk1
>      if space usage > 90% then alert
>
> What's interesting is that I'm getting alerts for my device checks even 
> though I know for sure (using some of the BSD tools that Apple bundles 
> with Mac OS X) that my disc space is much much less than 90% usage. 
> Monit is sending me alerts in email that look like this:
>
>     SomeDiscName Resource limit matched at Fri, 31 Aug 2007 17:30:35 +0000
>
>
> And the corresponding log entry looks like this:
>
>     [ Aug 31 17:30:35] error    : 'SomeDiscName' space usage 100.0%
>     matches resource limit [space usage>90.0%]
>
>
> Should I not be using monit for monitoring disc device space use and/or 
> inode use on Mac systems with HFS+ file system types?
>
> Thanks again,
>
> Serg
>
>
> ------------------------------------------------------------------------
>
> --
> To unsubscribe:
> http://lists.nongnu.org/mailman/listinfo/monit-general