Re: Load Balancing Issue - can someone help?

Glen Kendell <[email protected]>
Newsgroups gmane.linux.highavailability.ultramonkey
Message-ID <C0FF2E39.15B88%[email protected]>
Ian,

Try port 21. :-)

- Glen


On 8/9/06 5:32 AM, "Ian Walker" <[email protected]> wrote:

> I checked my config, and I'm not sure why it was reporting zero the first time
> around.  I now have a weight of 1 for both entries, shown below:
> 
> IP Virtual Server version 1.0.8 (size=65536)
> Prot LocalAddress:Port Scheduler Flags
>   -> RemoteAddress:Port           Forward Weight ActiveConn InActConn
> TCP  172.20.12.231:22 <http://172.20.12.231:22>  rr
>   -> 192.168.0.3:22 <http://192.168.0.3:22>                Masq    1      0
> 0 
>   -> 192.168.0.2:22 <http://192.168.0.2:22>                Masq    1      0
> 0
> 
> however, I still get the same end result of no connection.  I'm new to this,
> but I based my config on the sample ldirectord.cf <http://ldirectord.cf>  file
> to get as far as I have now.
> 
> Regards
> 
> 
> Ian
> 
> 
> On 09/08/06, Andersson Mattias < [email protected]
> <mailto:[email protected]> > wrote:
>> Hi Ian
>> 
>> Having a look at:
>> IP Virtual Server version 1.0.8 (size=65536)
>> Prot LocalAddress:Port Scheduler Flags
>>   -> RemoteAddress:Port           Forward Weight ActiveConn InActConn
>> TCP  172.20.12.231:22 <http://172.20.12.231:22>  rr
>>   -> 192.168.0.3:22 <http://192.168.0.3:22>                Masq    0      0
>> 0
>>   -> 192.168.0.2:22 <http://192.168.0.2:22>                Masq    0      0
>> 0 
>> 
>> The weight 0 indicates that your connection verification is not working and
>> that the real servers therefore are disabled.
>> 
>> Have a look at your ldirectord configuration and fix this.
>> 
>> 
>> /Mattias
>> 
>> ________________________________________
>> From: [email protected]
>> [mailto:[email protected]
>> <mailto:[email protected]> ] On Behalf Of Ian Walker
>> Sent: Wednesday, August 09, 2006 12:42 PM
>> To: [email protected]
>> Subject: Load Balancing Issue - can someone help?
>> 
>> Have been trying to get my config to work, using ftp but it doesn't seem to
>> work on RHEL3U7. Here's my config:
>> 
>> virtual = 172.20.12.231:22 <http://172.20.12.231:22>
>>  real = 192.168.0.2:22 <http://192.168.0.2:22>  masq
>>  real = 192.168.0.3:22 <http://192.168.0.3:22>  masq
>>  service = ftp
>>  request = "/etc/welcome.msg"
>>  receive = "Welcome"
>>  login = "anonymous"
>>  passwd = "[email protected]"
>>  scheduler = rr
>>  protocol = tcp
>>  checktype = negotiate
>> 
>> I've validated that it's running OK using "ipvsadm -ln" and it shows the
>> following results:
>> 
>> IP Virtual Server version 1.0.8 (size=65536)
>> Prot LocalAddress:Port Scheduler Flags
>>  -> RemoteAddress:Port Forward Weight ActiveConn InActConn
>> TCP 172.20.12.231:22 <http://172.20.12.231:22>  rr
>>  -> 192.168.0.3:22 <http://192.168.0.3:22>  Masq 0 0 0
>>  -> 192.168.0.2:22 <http://192.168.0.2:22>  Masq 0 0 0
>> 
>> and everytime I try to connect with FTP it fails with connection refused. I
>> did change the config so that it was configured for telnet just to test, so
>> my config was: 
>> 
>> 
>> virtual = 172.20.12.231:23 <http://172.20.12.231:23>
>>  real = 192.168.0.2:23 <http://192.168.0.2:23>  masq
>>  real = 192.168.0.3:23 <http://192.168.0.3:23>  masq
>>  service = none 
>>  request = "/etc/welcome.msg"
>>  receive = "Welcome"
>>  scheduler = rr
>>  protocol = tcp
>>  checktype = negotiate
>> 
>> and this time when I ran the "ipvsadm -ln --connection" command, I got these
>> results: 
>> 
>> IPVS connection entries
>> pro expire state source virtual destination
>> TCP 00:59 SYN_RECV 172.20.12.17:41271 <http://172.20.12.17:41271>
>> 172.20.12.231:23 <http://172.20.12.231:23>  192.168.0.2:23
>> <http://192.168.0.2:23>
>> 
>> so is kind of looking better. I then checked the stats to find:
>> 
>> IP Virtual Server version 1.0.8 (size=65536)
>> Prot LocalAddress:Port Conns InPkts OutPkts InBytes OutBytes
>>  -> RemoteAddress:Port
>> TCP 172.20.12.231:23 <http://172.20.12.231:23>  1 3 0 180 0
>>  -> 192.168.0.2:23 <http://192.168.0.2:23>  1 3 0 180 0
>>  -> 192.168.0.3:23 <http://192.168.0.3:23>  0 0 0 0 0
>> 
>> so I'm not entirely sure why it's not working as the connection just sits
>> there trying to connect with telnet, and nothing else happens. I've installed
>> the relevant packages for the ldirector as well as the arptables_jf package
>> for RHEL3. 
>> 
>> The ldirector has been configured with two network cards. The main network
>> being 172.20.12.231 <http://172.20.12.231> . This ip is assigned to eth0. The
>> other card, eth1 has been configured with 192.168.0.1 <http://192.168.0.1> .
>> 
>> The two servers running ftp have been configured with 192.168.0.2
>> <http://192.168.0.2>  and 192.168.0.3 <http://192.168.0.3> . Of course, with
>> ftp there was nothing, no connection or no stats, that's why I configured
>> with telnet, just to see if anything would show.
>> 
>> Hope I've not sent this to the wrong place, am quite interested in getting
>> this working.
>> 
>> Regards
>> 
>> 
>> Ian
>> 
>> 
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> 
> 


-- 
Glen Kendell
Martian Fireworks Security
206.965.8583 direct
206.399.3510 cell
[email protected]
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