Re: Piranha-list Digest, Vol 38, Issue 3

It's here, in all it's gory detail:

http://home.fnal.gov/~yocum/lvs.cf

Thanks,
Dan

R R wrote:
> Hi,
> 
> Could you please send your lvs.cf <http://lvs.cf> file?
> 
> --
> 
> Bigo
> 
> On Thu, Jun 11, 2009 at 6:00 PM, <[email protected] 
> <mailto:[email protected]>> wrote:
> 
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>     Today's Topics:
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>       1. Re: lvsd kills off all nannies! (Dan Yocum)
> 
> 
>     ---------- Forwarded message ----------
>     From: Dan Yocum <[email protected] <mailto:[email protected]>>
>     To: Piranha clustering/HA technology <[email protected]
>     <mailto:[email protected]>>
>     Date: Wed, 10 Jun 2009 15:58:09 -0500
>     Subject: Re: lvsd kills off all nannies!
>     I just had the same experience again when attempting to add another
>     service to our LVS director and reloading pulse, so upgrading to
>     piranha-0.8.4-11.el5 did not help.
> 
>     One thing that I noticed was that the monitor process to one real
>     servers failed right away (the service on that system was actually
>     down).  I think this caused the nanny to falter which brought
>     everything down, too.  Not good.
> 
>     Here's what I saw in /var/log/messages:
> 
>     lvs[19604]: rereading configuration file
>     lvs[19604]: create_monitor for saz-admin:8443/fg5x3 running as pid 31729
>     lvs[19604]: create_monitor for saz-admin:8443/fg6x3 running as pid 31730
>     lvs[19604]: nanny for child saz-admin:8443/fg5x3 died! shutting down lvs
>     lvs[19604]: shutting down virtual service MYSQL:3306
>     lvs[19604]: shutting down virtual service SAZ:8888
>     lvs[19604]: shutting down virtual service SAZ:8881
>     lvs[19604]: shutting down virtual service SAZ:8882
>     lvs[19604]: shutting down virtual service voms:8443
>     lvs[19604]: shutting down virtual service voms-osg:8443
>     lvs[19604]: shutting down virtual service gums:8443
>     nanny[19614]: Terminating due to signal 15
>     nanny[19617]: Terminating due to signal 15
>     nanny[19622]: Terminating due to signal 15
>     nanny[19644]: Terminating due to signal 15
>     nanny[19645]: Terminating due to signal 15
>     nanny[19647]: Terminating due to signal 15
>     etc.
> 
>     Thanks,
>     Dan
> 
> 
> 
>     Dan Yocum wrote:
> 
>         Hi Barry,
> 
>         We're on piranha-0.8.4-9.3.el5.  I will upgrade to release 11
>         and see if that helps.
> 
>         Thanks,
>         Dan
> 
> 
>         Barry Brimer wrote:
> 
>             Quoting Dan Yocum <[email protected] <mailto:[email protected]>>:
> 
>                 Hi all,
> 
>                 Here's the situation we're running into - after setting
>                 a real server to
>                 active = 0 and weight = 0 and reloading pulse, <perform
>                 some work on the
>                 RS>, set active = 1 and weight = 3 and reloading pulse,
>                 lvsd first
>                 creates the monitor for the process, which dies for some
>                 strange reason,
>                 then proceeds to shutdown *all* virtual services!!
> 
>                 Here's what I see in /var/log/messages:
> 
> 
>             <snip>
> 
>                 Performing a 'service pulse restart' brings everything
>                 back online just
>                 fine.
> 
>                 What's going on here?
> 
>                 The OS is Scientific Linux 5.2 (i.e., RHELv5.2) on a Xen
>                 VM, kernel
>                 2.6.18-128.1.6.el5xen.
> 
> 
>             What version of piranha do you have installed?  The latest
>             version seems to
>             correct some nanny/pulse related issues
>             <https://rhn.redhat.com/errata/RHBA-2009-0095.html>
> 
>             Barry
> 
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> 
> 
>     -- 
>     Dan Yocum
>     Fermilab  630.840.6509
>     [email protected] <mailto:[email protected]>, http://fermigrid.fnal.gov
>     Fermilab.  Just zeros and ones.
> 
> 
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-- 
Dan Yocum
Fermilab  630.840.6509
[email protected], http://fermigrid.fnal.gov
Fermilab.  Just zeros and ones.