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Eurika, you have enlightend me so now all works, i am able to get to the
realserver through the Virtual IP configured on the director that i've
setup with ldirectord, actually i think i'm being a little stupid since i've
always tried with the actual public ip of the LVS, not the eth1:0 spwaned ip
on the browser, so when you pointed that up it became very clear..
The thing with arping is very helpful so it actually tells you if you are
doing things wright or wrong
oh the Kerner version is :
Linux linux.local 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009 x86_64
x86_64 x86_64 GNU/Linux
Still one problem remains which i haven't put so much accent on the previous
mail ..
the 2 ip's from the 2 different C class nets..
>> virtual=XX.XX.XX.236:80 (Virtual IP configured on the director)
>> fallback=127.0.0.1:80
>> real=XX.XX.XX.235:80 gate
>> real=XX.XX.YY.163:80 gate
>Where does the YYY.YYY.YYY.235 come from? Assuming X != Y, this will
>never work as the two realservers are in different subnets
actually i have the first real server is in the same C class as the LVS
server
so they are (i'm just gonna put some numbers to the X and Y to make it more
clear)
10.1.238.236 (LVS Virtual IP configured on the director), 10.1.238.235 (Real
server)
and the other real server, is the same hosting company i presume and it has
10.1.239.163 so not the same C class...So i don't know if this is posible to
include an ip like that...
I've tried anyway....
What i've tried to do is configure the eth1:0 like this:
eth0:1 Link encap:Ethernet HWaddr 00:24:1D:72:61:AB
inet addr:10.1.238.236 Bcast:10.1.255.255 Mask:255.255.0.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:233 Base address:0x2000
So it will include the B class as well..
On the RealServer i did like you said ( y renounced to sysctl -p ) :
# solve the 'ARP problem'
echo 1 > /proc/sys/net/ipv4/conf/lo/arp_ignore
echo 1 > /proc/sys/net/ipv4/conf/eth0/arp_ignore
echo 2 > /proc/sys/net/ipv4/conf/lo/arp_announce
echo 2 > /proc/sys/net/ipv4/conf/eth0/arp_announce
/sbin/ifconfig lo:0 XX.XX.XX.236 netmask 255.255.255.255 up
but, when i do an arping XX.XX.XX.236 i get as a response total different
MAC address then the actual one 00:24:1D:72:61:AB
And indeed if i try from the realserver that's on the same C class the x.235
one, i get imediatly the same
00:24:1D:72:61:AB mac address as the eth1:0 has. amazing :) didn't knew i
could do that
by the way i guess on the realservers i don't need to install the lvs
pachages to have the kernel modules installed for lvs, just the arp trick
and that's it..
So again...like a stupid linux rookie that i am , stuck with this
thing...but i'm sure the answer it's between the lines...
Thank you again for your amazing reply, really helped me a lot and possibly
many others that had the same problem
L.S. Keijser-2 wrote:
>
> Hi,
>
> I'm replying to you and to the lvs-users list so everyone can
> participate and help. It's a fairly long reply with detailed
> instructions on how to get it working. I could just point you to the
> HOWTO (as i already did) but i'm in a good mood. Also, since it's so
> long and detailed, i hope i got it right else it's a waste of time :P
>
> Oh and i'm going to make a lot of assumptions while replying, so please
> correct me if i'm wrong:
>
> On Thu, 2009-10-22 at 12:38 -0700, partysoft@xxxxxxxxx wrote:
>> Thank you Léon for the reply. I apreciate it so much.
>> Yes i actually have 3 public ip's like (none are with 192..)
>> XX.XX.XX.234 (this is the lvs..)
>
> by 'the lvs' i assume you mean 'the director'
>
>> XX.XX.XX.235 real server (web ngix)
>> YYY.YYY.YYY.163 real server (web apache) - I don't really care about
>> this one, i can move it into the
>
> into the .. ? cat caught your tongue? :P
>
> Yes, i was distracted by my wonderfull non quiet neighbours hahaha
>
>> we will use XX.XX.XX.236 as virtual..(there isn't an ip on the net with
>> that number up). of course it will be simpler to use a 192.. but, i have
>> tried that also ,and no luck
>
>
>
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