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Re: [lvs-users] ipvsadm stats

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] ipvsadm stats
From: Rumen Bogdanovski <rumen@xxxxxxxxxxxx>
Date: Thu, 01 Nov 2007 15:45:22 +0200
on real servers use sysctl to set:
net.ipv4.conf.ethX.arp_ignore=1
net.ipv4.conf.ethX.arp_announce=2

ethX - shoud be the relevant network interface.

or add those lines to /etc/sysctl.conf on all nodes and reboot or do
"sysctl -p"

then configure the relevant interfaces on the nodes with the virtual IP.

rumen

On Thu, 2007-11-01 at 19:03 +0530, Sameer Garg wrote:
> Ok. Figures it is the ARP problem. I checked the howto and there are
> multiple suggestions on how to avoid it. Has any one been able to
> resolve the arp issue without patching the kernel or adding a module.
> 
> By the way I am using RHEL 4 on the director and real servers with LVS-tun.
> 
> Sameer
> 
> On 11/1/07, Sameer Garg <sameer.garg@xxxxxxxxx> wrote:
> > Hey Nick,
> >
> > I have tried ipvsadm -l --stats and --rate. Both show 0. This is weird
> > considering it was showing stats previously and nothing in the setup
> > has been changed. The service hasn't even been restarted.
> >
> > Sameer
> >
> > On 10/31/07, Nick Silkey <silkey@xxxxxxxxxxxxxx> wrote:
> > > Sameer Garg wrote:
> > > > I have been running two LVS setups and on one of them I am not setting
> > > > any stats.
> > > >
> > > >
> > > > When I do ipvsadm -l  I get the followng.
> > > >
> > > >
> > > > Prot LocalAddress:Port Scheduler Flags
> > > >   -> RemoteAddress:Port           Forward Weight ActiveConn InActConn
> > > > TCP  director:http rr persistent 300
> > > >   -> real1:http                 Tunnel  1      0          0
> > > >   -> real2:http                 Tunnel  1      0          0
> > > >   -> real3:http                 Tunnel  1      0          0
> > > >
> > > > This setup hasn't been modified in over 2 months, even the service
> > > > hasn't been restarted. When I had set up the service it was working
> > > > fine. I getting the stats and other info.
> > > >
> > > > I am using RHEL 4  with kernel 2.6.9-55.0.2.ELsmp #1 SMP. and
> > > > ldirectord. I tried restarting the service but it doesn't help. I even
> > > > looked in /proc/net/ip_vs* (all the entries) and nothing turns up. I
> > > > repeat LVS is doing is its job infact it is doing it very well but I
> > > > can't seem to figure out what is happening to the stats.
> > >
> > > Try 'ipvsadm -l --stats'.  This should show rule lifetime stats
> > > (connections, packets, bytes, etc).
> > >
> > > --
> > > Nick Silkey | silkey@xxxxxxxxxxxxxx
> > > Senior Operating Systems Specialist
> > > Electrical & Computer Engineering
> > > The University of Texas at Austin
> > > ENS 340 | 512.475.8284 | 0x35EB31E2
> > >
> > >
> > > _______________________________________________
> > > LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
> > > Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
> > > or go to http://lists.graemef.net/mailman/listinfo/lvs-users
> > >
> >
> 
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