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From "Serge Dubrouski" <serge...@gmail.com>
Subject Re: [users@httpd] balancer-manager gui issue
Date Mon, 12 May 2008 14:09:08 GMT
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@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@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.

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