[Pacemaker] Several problems with simple virtual-IP config
Klaus Darilion
klaus.mailinglists at pernau.at
Wed Feb 9 09:59:19 UTC 2011
forgot to mention that armani=server1 and bulgari=server2 (showing some
respect to fashion brands :-)
Am 09.02.2011 10:16, schrieb Klaus Darilion:
>
>
> Am 08.02.2011 19:17, schrieb Michael Schwartzkopff:
>> On Tuesday 08 February 2011 18:03:31 Klaus Darilion wrote:
> ...
>
>>> 3. Now, server1, hosting the virtual-IP, loost connectivity to the ping
>>> target (I inserted a firewall rule) -> The virtual-IP stayed with server1.
>>>
>>> Now I put server2 online again: # crm node online server2.
>>> That means, server2 is online and has ping connectivity, server1 is
>>> online and doesn't have ping connectivity. But the virtual-IP stayed
>>> with server1:
>>>
>>> Online: [ server1 server2 ]
>>>
>>> failover-ip (ocf::heartbeat:IPaddr): Started server1
>>> Clone Set: clonePing
>>> Started: [ server2 server1 ]
>>>
>>> What do I have to change in the config to have here a failover to server2?
>>
>> What are the pingd scores for each node? You can display it with
>> crm_mon -1f
>
> Hi Michael!
>
> Another scenario which I do not understand:
>
> 1. Corosync only started on server1, not started on server 2:
>
> Online: [ armani ]
> OFFLINE: [ bulgari ]
>
> failover-ip (ocf::heartbeat:IPaddr): Started armani
> Clone Set: clonePing
> Started: [ armani ]
> Stopped: [ pingtest:1 ]
>
> Migration summary:
> * Node armani:
>
> 2. Now i block armani's PINGs. After 5 seconds the score changes:
>
> Online: [ armani ]
> OFFLINE: [ bulgari ]
>
> failover-ip (ocf::heartbeat:IPaddr): Started armani
> Clone Set: clonePing
> Started: [ armani ]
> Stopped: [ pingtest:1 ]
>
> Migration summary:
> * Node armani: pingd=10
>
> After 5 more seconds the score changes again:
>
> Online: [ armani ]
> OFFLINE: [ bulgari ]
>
> failover-ip (ocf::heartbeat:IPaddr): Started armani
> Clone Set: clonePing
> Started: [ armani ]
> Stopped: [ pingtest:1 ]
>
> Migration summary:
> * Node armani: pingd=0
>
>
> So, why isn't there a pingd score at all after startup?
>
> When the pings are blocked, why is 5 seconds later suddenly a pingd
> score of 10?
>
> Thanks
> Klaus
>
> _______________________________________________
> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
More information about the Pacemaker
mailing list