RE: LVS in RedHat 8.0 - required components

Sumesh-

	Are you Masquerading the backend network out? It appears that the web servers
may be getting the requests but not having a route back.. Could that be?

   Have you configured the MASQ in iptables?

P

On Wed, 23 Apr 2003, Sumesh wrote:

> Hi Peter,
>
>    Please find the answers below for queries you asked regarding my setup.
> Problem still remains same.I have to try my maximum to make it work in Redhat 8.0
> However I will have to adopt 7.3 Errata kernel in case of no luck.
> Please tell me how to update RedHat 7.3 Kernel errata for LVS to work.
>
> I believe you could help me.
>
> Thanks a lot for your excellent support !!
> Sumesh
>
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of pb
> Sent: Wednesday, April 23, 2003 6:58 PM
> To: Sumesh
> Cc: [email protected]
> Subject: RE: LVS in RedHat 8.0 - required components
>
>
> Sumesh,
>
> What services are you intending to load balance, just
> http (port 80) ?
>
> Ans:Just http (port 80). Later I will have to run Apache/Tomcat combination on real servers which is the ultimate aim.
>
>        Is there any change needed in latter case.
>
> What does your NAT Router table look like?  Type
>          ipvsadm -Ln    or     -L
>
> Ans:
>
> IP Virtual Server version 1.0.4 (size=65536)
>
> Prot LocalAddress:Port Scheduler Flags
>
> -> RemoteAddress:Port Forward  Weight ActiveConn InActConn
>
> TCP 151.8.35.100:80 wlc
>
> -> 192.168.0.2:80          Masq    2000      0              0
>
> -> 192.168.0.1:80           Masq   1000      0              0
>
> and see what the result is, and post it here.
>
> Did you setup an /etc/rc.d/rc.lvs script per the
> http://baitz.com/lvs.html documentation for setting up
> the NAT table ?
>
> Ans: I haven't setup rc.lvs script. Is it necessary as long as we are going to start services manually?
>
> Are you using pulse with two Piranha load balancers?
> In other words, do you start lvs with pulse, or lvs
> directly?  Do you even see the lvs daemon loaded, and
> the nanny daemons loaded to service each port ?
> Check with "ps afx"
>
> Ans: I am starting LVS with pulse.
>
> Peter
>
> --- Sumesh <[email protected]> wrote:
> > Hi PB,
> >
> >   Thank you for the reply.I have decided to go for
> > RedHat 8.0 (kernel- 2.4.18-14) without making use of
> > Piranha GUI.
> >    I have downloaded and installed following
> > components as per your documents.
> >
> >     piranha-0.7.0-3
> >    scsi_reserve-0.7-6
> >
> >    ipvsadm-1.21-4 is in-built with RedHat 8.0 .I
> > found that IPVS module is supported in kernel by
> > default.I have not applied any patch.
> >    I have copied a working copy of LVS.cf file into
> > /etc/sysconfig/ha/  which has worked in case of RHAS
> > for me.Pulse service is getting
> >    started properly and IPVASADM shows a proper
> > routing table too.
> >
> >    But when I tried browsing the web page by giving
> > VIP from client it doesn't work.httpd is running and
> > page is appearing when checked locally from web
> > server.
> >
> >   Kindly help me to resolve this issue and let me
> > know if some steps I have missed specific to RedHat
> > 8.0.Further to this ,please tell me what is the
> > command to see current running LVS processes.
>
>
> __________________________________________________
> Do you Yahoo!?
> The New Yahoo! Search - Faster. Easier. Bingo
> http://search.yahoo.com
>
>
>
> _______________________________________________
> Piranha-list mailing list
> [email protected]
> https://listman.redhat.com/mailman/listinfo/piranha-list
>
>