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Re: Really strange least connection problem

To: <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: Really strange least connection problem
From: Wensong Zhang <wensong@xxxxxxxxxxxx>
Date: Tue, 3 Apr 2001 23:07:00 +0800 (CST)
Hi Jason,

If you haven't tried the ipvs-028-test2.patch, please try the
ipvs-028-test3.patch. This one should be more accurate to avoid the
possible race in connection lookup and expiration in the SMP box.

Thanks,

Wensong


On Tue, 3 Apr 2001, Wensong Zhang wrote:

>
>
> Hi,
>
> First thanks a lot for the testing. I am sorry that my original patch
> still have some race in the SMP box.
>
> Julian and I worked on removing all possible race between connection entry
> expiration and connection reference. Please test the attached
> ipvs-028-test2.patch. Hope that the coming 0.2.8 will avoid this kind of
> race on SMP correctly.
>
> BTW, you don't need set /proc/sys/net/ipv4/vs/debug_level, in order to
> keep log small.
>
> Thanks,
>
> Wensong
>
>
> On Mon, 2 Apr 2001, Jason Steenblik wrote:
>
> > Sorry guys, I kind of dropped off the face of the earth for a couple of
> > days.  I applied the patch and am still having the same problem.  I Have
> > attached so debug output (gziped).  Below is an updated rules file (same
> > hardware, slightly different ips).
> >
> > #!/bin/sh
> > /sbin/ipvsadm -C
> > /sbin/ipvsadm -A -t 172.19.0.6:25 -s lc
> > /sbin/ipvsadm -a -t 172.19.0.6:25 -R 172.18.2.3 -m
> > /sbin/ipvsadm -a -t 172.19.0.6:25 -R 172.18.2.4 -m
> > /sbin/ipvsadm -a -t 172.19.0.6:25 -R 172.18.2.5 -m
> > /sbin/ipvsadm -a -t 172.19.0.6:25 -R 172.18.2.6 -m
> > /sbin/ipvsadm -a -t 172.19.0.6:25 -R 172.18.2.7 -m
> > /sbin/ipvsadm -a -t 172.19.0.6:25 -R 172.18.2.8 -m
> > /sbin/ipvsadm -a -t 172.19.0.6:25 -R 172.18.2.9 -m
> > /sbin/ipvsadm -a -t 172.19.0.6:25 -R 172.18.2.11 -m
> > /sbin/ipvsadm -a -t 172.19.0.6:25 -R 172.18.2.12 -m
> > /sbin/ipvsadm -a -t 172.19.0.6:25 -R 172.18.2.13 -m
> > /sbin/ipvsadm -a -t 172.19.0.6:25 -R 172.18.2.14 -m
> > /sbin/ipvsadm -a -t 172.19.0.6:25 -R 172.18.2.15 -m
> > /sbin/ipvsadm -a -t 172.19.0.6:25 -R 172.18.2.17 -m
> > /sbin/ipvsadm -a -t 172.19.0.6:25 -R 172.18.2.18 -m
> > /sbin/ipvsadm -a -t 172.19.0.6:25 -R 172.18.2.23 -m
> >
> > 172.18.2.4, 172.18.2.7, 172.18.2.8 were still recieving email when I
> > took the debug output. The rest were not
> >
> > Thanks,
> > Jason
> >
>

Attachment: ipvs-028-test3.patch
Description: Text document

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