[Pacemaker] Virtual IP migration fails to cleanup IP from failed interface

Andrew Beekhof andrew at beekhof.net
Tue Aug 26 07:38:41 UTC 2014


On 21 Aug 2014, at 5:10 pm, Arjun Pandey <apandepublic at gmail.com> wrote:

> No there's a separate interface for cluster communication. I don't
> have fencing configured in the setup.

Ok, then I'm misunderstanding:

>>> However the
>>> address with the previous is not cleaned up.

The whole interface is down... in what way are you expecting the cluster to clean up further?

> 
> 
> On Thu, Aug 21, 2014 at 5:47 AM, Andrew Beekhof <andrew at beekhof.net> wrote:
>> 
>> On 20 Aug 2014, at 11:45 pm, Arjun Pandey <apandepublic at gmail.com> wrote:
>> 
>>> Hi
>>> 
>>> I have a 2 Node(Active-Passive) mode cluster on CentOS 6.4
>>> After setting up the cluster things work fine.
>>> 
>>> There are 4 resources (2 virtual IP's and my application (master-slave ) mode).
>>> Additionally i have a constraint that virtual IP's are colocated with
>>> the master.
>>> 
>>> If i bring the interface down using ifconfig eth1 down , migration of
>>> virtual IP happens and the slave instance gets promoted.
>> 
>> Is this the same interface that the cluster communicates on?
>> Have you got fencing configured?
>> 
>>> However the
>>> address with the previous is not cleaned up.   If the interface is
>>> again brought up, i now see the virtual IP associated with interfaces
>>> on both the nodes. Should IP be flushed from interface  via migration
>>> ?
>>> 
>>> Regards
>>> Arjun
>>> 
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>> 
>> 
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>> 
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>> 
> 
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