sergeyfd at gmail
May 12, 2008, 10:52 AM
Post #6 of 7
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He's talking almost the same problem: balancer-manager doesn't reflect
a correct status for a given balancer member.
On Mon, May 12, 2008 at 11:30 AM, Mohammed Salih <linusali[at]gmail.com> wrote:
> If that is the case then it is a problem. But I think you didn't go through
> the email posted by Mr. Narendra
>
> Cheers
>
>
>
> On Mon, May 12, 2008 at 6:09 PM, Serge Dubrouski <sergeyfd[at]gmail.com> wrote:
>
> > That is well understood, but why does balance-manager reports "Ok"
> > status for members that failed on previous requests?
> >
> >
> >
> >
> > On Mon, May 12, 2008 at 6:35 AM, Mohammed Salih <linusali[at]gmail.com>
> wrote:
> > > Hi there,
> > >
> > > The answer is simple. The Apache balancer module will not check if the
> > > tomcat is operational or not until it gets a new request for the
> > > tomcat or backend servers.
> > >
> > > There is no watch dog facility like those seen in hardware load
> > > balancers in Apache.
> > >
> > > Cheers.
> > > Salih
> > >
> > > On Thu, May 8, 2008 at 6:55 PM, Narendra Verma
> > > <narendra.verma[at]impetus.co.in> wrote:
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> > > > Hi all;
> > > >
> > > > I am using Apache2.2.8 as a load balancer (using mod_proxy) and
> tomcat5.5 as
> > > > backend servers.
> > > >
> > > > Now every thing is working fine but issue is in balancer-manager gui
> of
> > > > apache.
> > > >
> > > >
> > > >
> > > > For this I configured:
> > > >
> > > > Location /balancer-manager>
> > > >
> > > > SetHandler balancer-manager
> > > >
> > > > Order Deny,Allow
> > > >
> > > > Deny from all
> > > >
> > > > # allow from particular host from where an user can access this
> > > > balancer-manager GUI.
> > > >
> > > > Allow from 192.168.99.29
> > > >
> > > > </Location>
> > > >
> > > >
> > > >
> > > > I write steps here where issue is coming :
> > > >
> > > >
> > > >
> > > > 1. Both tomcats are running.
> > > >
> > > > 2. Open balancer manager gui
> > > >
> > > > 3. This shows status properly
> > > >
> > > > means 'ok'
> > > >
> > > > 4. if I close one tomcat than for this it shows
> > > >
> > > > status 'err'
> > > >
> > > > then fine
> > > >
> > > > 5. if I again up tomcat that I closed recently
> > > >
> > > > and I refresh balancer-manager gui then again it shows status
> 'err' for
> > > > that tomcat .
> > > >
> > > > even I open a new browser and hit to balancer manager gui still it
> gives
> > > > status 'err'.
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > So issue is if I up the tomcat then this gui must change the status,
> > > >
> > > > How this can be done or is it issue related to balancer manager gui.
> > > >
> > > > Or can I change somewhat related to it.
> > > >
> > > >
> > > >
> > > > Please reply its a production issue..
> > > >
> > > >
> > > >
> > > > Thanks
> > > >
> > > > Narendra
> > > >
> > > >
> > >
> >
> >
> >
> > > ---------------------------------------------------------------------
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> > >
> >
> >
> >
> > --
> > Serge Dubrouski.
> >
> > ---------------------------------------------------------------------
> > The official User-To-User support forum of the Apache HTTP Server Project.
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> >
>
>
--
Serge Dubrouski.
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