kevev1 at gmail
Nov 10, 2007, 7:04 PM
Post #6 of 9
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Re: RPMs for spread/wackamole/etc and wackamole issues
[In reply to]
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2 Peer. If you want more info on a true High Availability solution
check out my project. It is still very new, but pretty stable and
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And if you program in Ruby or are good at Bash scripting or testing we
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wiki account on the page and we can swap emails.
On Nov 9, 2007 5:03 PM, Jordan Mendler <jmendler [at] ucla> wrote:
> I am the fellow that built the RPMs and had the issues you describe. I never
> received any response to my problem, so gave up on wackamole and implemented
> linux-ha. Linux-HA does everything wackamole is supposed to do and more, and
> is very well supported and actively developed. I hate to promote a different
> product on this list, but no one even made an attempt to help me resolve my
> issue.
>
> Jordan
>
>
>
> On Nov 9, 2007 2:31 PM, Spangler, Tim <Tim_Spangler [at] adp> wrote:
> >
> >
> >
> >
> >
> > I hate to follow-up on a two month old problem, but I'm now seeing
> something similar.
> >
> > I've been running several wackamole installs in production since march,
> and recently came across following line in my messages file: wackamole[8532]
> "953 No such interface", which appears to be similar to the problem in this
> message.
> >
> > Additionally, I'm running 2 wackamole clusters in the same subnet, and
> have recently begun seeing the following errors on one of the sets of
> clusters: In_my_component: unknown proc 192.168.252.25. This IP address is
> from a machine in the other cluster, but spread is running on a different
> port, so as far as I can tell, they shouldn't be able to see each other.
> >
> > Any thoughts out there?
> >
> > Thanks,
> >
> > -Tim Spangler
> >
> >
> >
> > ________________________________
> From: Jordan Mendler [mailto:jmendler [at] ucla]
> > Sent: Thursday, September 13, 2007 4:26 PM
> > To: wackamole-users [at] lists; spread-users [at] lists
> > Subject: [Wackamole-users] RPMs for spread/wackamole/etc and wackamole
> issues
> >
> >
> > Hi all,
> >
> > I want to preface by letting everyone know that I have built some RPMs for
> spread, wackamole, mod_log_spread and spreadlogd. They are available from
> http://biopackages.net/ for CentOS4 and some Fedora distributions. They will
> eventually be built for every CentOS and Fedora release when we expand our
> repository. And we have some updated RPMs in our testing repository that
> should be pushed out in a few days. The SRPMs are also available if you
> would like to build your own.
> >
> >
> > Now onto the problem...
> >
> > In configuring Wackamole, I have been having some issues, so I am hoping
> that someone will be able to help me get this working. My setup is CentOS4
> x86_64 (linux 2.6.x) if that matters. Wackamole/spread builds and installs
> fine and spread works fine. Wackamole starts fine and seems to think it
> works, but in reality it does not. Therefore I am not sure if this is an
> issue with Wackamole's interaction with OS, or what. I have been following
> Theo's "Scalable Internet Architectures" book in an attempt to get wackamole
> setup. This is also in a testing environment ( 10.x.x.x IP's), before we
> tried it with real IPs and had the same issue.
> >
> > What happens:
> > -Start spread on both systems, everything works fine. It is configured to
> use 10.67.183.121 and .122, respectively, which are both setup on eth1 and
> independent of the wackamole IPs. The same thing happens if we setup spread
> on the same IP as wackamole.
> > -Start wackamole on both systems and:
> > (1) eth0 which is configured with 10.67.183.116 on one and
> 10.67.183.117 on the other is taken down by wackamole such that an
> 'ifconfig' only shows eth1 up
> > (2) wackatrl -l appears to be working properly, showing the following
> on each system:
> > Owner: 10.67.183.116
> > * eth0:10.67.183.116/32
> > Owner: 10.67.183.117
> > * eth0: 10.67.183.117/32
> >
> > Despite #2, neither machine brings up .116 or .117. There is obviously
> something going on, because from another machine I can still ping/ssh into
> 116 and 117, which may be as a result of arp.
> >
> > At this point if I kill spread on one of the 2 machines (say the one with
> .117), wackatrl -l shows what appears to be correct:
> > Owner: 10.67.183.116
> > * eth0: 10.67.183.116/32
> > Owner: 10.67.183.116
> > * eth0:10.67.183.117/32
> >
> > Despite what wackatrl thinks, I am now able to ping/ssh into only one of
> the IPs, and the IP of the machine that was taken down is not brought up on
> the other machine. The whole thing seems to be acting weird.
> >
> >
> > The only indication I can find is /var/log/messages which shows the
> following on both machines. I am not sure if this is a 2.6 kernel not
> supported issue (hopefully not, cause I would really like to get wackamole
> working):
> > Sep 13 07:44:50 JMM1 wackamole[26151]: connecting to 4803
> > Sep 13 07:44:50 JMM1 wackamole: wackamole startup succeeded
> > Sep 13 07:44:50 JMM1 wackamole[26151]: DOWN: eth0:
> 10.67.183.116/255.255.255.0
> > Sep 13 07:44:50 JMM1 wackamole[26151]: 953 No such interface
> > Sep 13 07:45:02 JMM1 wackamole[26151]: 911 No such interface
> > Sep 13 07:45:02 JMM1 wackamole[26151]: Re-queued arp spoof notifier for
> virtual entry.
> >
> > Also, when I try a wackamole.conf with 4 IPs, wackatrl shows:
> > Owner: 10.67.183.116
> > * eth0:10.67.183.116/32
> > Owner: 10.67.183.117
> > * eth0:10.67.183.117/32
> > Owner: 10.67.183.124
> > * eth0:10.67.183.124/32
> > Owner: 10.67.183.125
> > * eth0:10.67.183.125/32
> >
> >
> > My configurations look as follows (it is the same on both machines),
> though I have tried many other configurations such as changing /32 to /24,
> trying other IPs and so on:
> > [root [at] JMM etc]# cat /etc/wackamole.conf
> > Spread = 4803
> > SpreadRetryInterval = 5s
> > Group = wack1
> > Control = /var/run/wack.it
> >
> > Prefer None
> >
> > VirtualInterfaces {
> > { eth0:10.67.183.116/32 }
> > { eth0: 10.67.183.117/32 }
> > }
> >
> > Arp-Cache = 10s
> > mature = 5s
> >
> > Notify {
> > eth0:10.67.183.1/32
> > arp-cache
> > }
> >
> > Balance {
> > AcquisitionsPerRound = all
> > interval = 4s
> > }
> >
> > The importand part of Spead.conf is:
> > Spread_Segment 10.255.255.255:4803 {
> > JMM1 10.67.183.121
> > JMM2 10.67.183.122
> > }
> >
> > Any assistance is greatly appreciated.
> >
> > Thanks so much,
> > Jordan
> >
> > _______________________________________________
> > wackamole-users mailing list
> >
> > wackamole-users [at] lists
> > http://lists.backhand.org/mailman/listinfo/wackamole-users
> >
> >
>
>
> _______________________________________________
> wackamole-users mailing list
> wackamole-users [at] lists
> http://lists.backhand.org/mailman/listinfo/wackamole-users
>
>
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