Re: removeSelf doesn't seem to work

That fixed it, thanks!


Pet

On Thu, Jun 26, 2003 at 01:33:20PM -0400, Theo E. Schlossnagle wrote:
> [email protected] wrote:
> >
> >I'm running a mod_backhand server to redirect connections to 2
> >mailservers.  It is supposed to removeSelf and does until on of the
> >backend servers goes down.  Immediately it tries to serve pages from
> >itself.  Has anyone seen this problem before?
> 
> If mod_bakchand has trouble connecting (to proxy) to both servers, it could 
> fail in this way (it will tr to service the page locally).  However, I see 
> in your configuration you are using HTTPRedirectToName.  This causes 
> mod_bakchand to issue 302's instead of proxying the requests back -- so, it 
> will never fail in this fashion under your configuration as it doesn't 
> attempt to make connections for proxying.
> 
> >My mod_backhand settings in httpd.conf on the mod_backhand box are:
> >
> >
> ><IfModule mod_backhand.c>
> >    UnixSocketDir /usr/local/apache/backhand
> >    MulticastStats 192.168.0.255:4445,1
> >    AcceptStats 192.168.0.0/24
> ></IfModule>
> >
> >
> ><Directory "/usr/local/apache/www">
> >    Options Indexes FollowSymLinks MultiViews
> >    Order allow,deny
> >    Allow from all
> >    Backhand removeSelf
> >    Backhand byAge 6
> >    Backhand byRandom
> >    Backhand byLogWindow
> >    Backhand byLoad
> >    Backhand HTTPRedirectToName
> ></Directory>
> 
> You have two backend boxes.  Don't use byRandom/byLogWindow.  With two 
> servers it makes byLoad do nothing as their will only one of them left by 
> the time byLoad is processed.
> 
> Try:
> Backhand byAge 6
> Backhand removeSelf
> Backhand byLoad
> Backhand HTTPRedirectToName
> 
> >
> >The mail servers have this in their apache config:
> >
> ><IfModule mod_backhand.c>
> >    UnixSocketDir /usr/local/apache/backhand
> >    MulticastStats 192.168.0.XXX:4445,1
> 
> 192.168.0.XXX is needs to be a broadcast address... So, XXX should be 255 
> on all your machines.  Also, you don't need the trailing ,1 as that isn't a 
> multicast address (it is a normal broadcast address)
> 
> >    AcceptStats 192.168.0.0/24
> ></IfModule>
> >
> >
> >Where XXX is the ip of the machine running as the mod_backhand server.
> 
> 
> -- 
> Theo Schlossnagle
> Principal Consultant
> OmniTI Computer Consulting, Inc. -- http://www.omniti.com/
> Phone:  +1 410 872 4910 x201     Fax:  +1 410 872 4911
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> 
> 
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-- 
Pete Greenwell 
System Administrator  
Missouri Research and Education Network [MOREnet]  
http://www.more.net