Piranha-list Digest, Vol 38, Issue 3

[R R]

Hi,

Could you please send your lvs.cf file?

--

Bigo

On Thu, Jun 11, 2009 at 6:00 PM, <piranha-list-request at redhat.com> 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 <yocum at fnal.gov>
> To: Piranha clustering/HA technology <piranha-list at redhat.com>
> 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 <yocum at fnal.gov>:
>>>
>>>  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
>>>
>>> _______________________________________________
>>> Piranha-list mailing list
>>> Piranha-list at redhat.com
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>>>
>>
>>
> --
> Dan Yocum
> Fermilab  630.840.6509
> yocum at fnal.gov, http://fermigrid.fnal.gov
> Fermilab.  Just zeros and ones.
>
>
>
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