|
On fre, 2004-10-08 at 11:20 -0400, Marc Swanson wrote:
> The problem is that most of our users are running on Windows Terminal
> Server (NT4) w/citrix metaframe, and for whatever reason, the virtual
> server works VERY intermittently when attempting to connect from this
> machine. Sometimes it works, other times you'll get a 'document
> contains no data' or 'unable to display page' message. I've verified
> the problem with a manual telnet into port 80 from the same machine.. I
> get a connection refused whenever the problem occurs when attempting to
> connect to the virtual server port 80. It doesn't seem to be related to
> Citrix since the problem will also occur when using the machine from the
> console.
>
> [root@lvs1 root]# ipvsadm -L
> IP Virtual Server version 1.0.10 (size=65536)
> Prot LocalAddress:Port Scheduler Flags
> -> RemoteAddress:Port Forward Weight ActiveConn InActConn
> TCP vserver.sonitrol.net:https rr persistent 600
> -> intra3.sonitrol.net:https Route 1 0 0
> -> intra2.sonitrol.net:https Route 1 0 0
> -> intra1.sonitrol.net:https Route 1 0 0
> TCP vserver.sonitrol.net:http rr persistent 600
> -> intra3.sonitrol.net:http Route 1 0 0
> -> intra2.sonitrol.net:http Route 1 0 0
> -> intra1.sonitrol.net:http Route 1 0 0
Zero connections, either active or inactive? RED FLAG! my guess is
that your fourth server has sent an ARP reply and is grabbing all the
traffic.
btw, if most of your users are coming from a single host, persistence
will make load-balancing very ineffective.
--
Kjetil T.
|
