Re: balancer-manager gui issue

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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@xxxxxxxxx> 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@xxxxxxxxx> 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@xxxxxxxxx>
> 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@xxxxxxxxxxxxx> 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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