Real Server Monitoring

Don Hinshaw dwh at
Sat Aug 4 02:06:49 BST 2001

Horms <horms at> said:

> On Mon, Jul 30, 2001 at 09:10:52AM -0700, Jason Steenblik wrote:
> > I am running ipvs 0.8 on a 2.4.3 kernel and need to monitor the
> > availability of my smtp realservers.  What is the best method of doing
> > this?
> >
> > >From my reading and short testing this is what I found (I think).
> >
> > Mon worked but didn't seem as elegant as the others.
> > ldirectord doesn't work for smtp realserver.
> To test SMTP servers using ldirectord you may use a "connect" check which
> will just open port 25 and close it again. I am more than willing to accept
> a patch or work with you to make a patch that can test SMTP more
> thourougly. It should be quite straight forward to write such a pach with
> opens port 25, issues a simple SMTP command and checks the output.
> --
> Horms

Would a simple TCP_CONNECT be the right way to test NFS?


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