On 01/08/2016 12:34 AM, Arjun Pandey wrote:
> Hi
>
> I am running a 2 node cluster with this config on centos 6.6
>
> Master/Slave Set: foo-master [foo]
> Masters: [ messi ]
> Stopped: [ronaldo ]
> eth1-CP(ocf::pw:IPaddr): Started messi
> eth2-UP(ocf::pw:IPaddr): Started messi
> eth3-UPCP (ocf::pw:IPaddr): Started messi
>
> where i have a multi-state resource foo being run in master/slave mode
> and IPaddr RA is just modified IPAddr2 RA. Additionally i have a
> collocation constraint for the IP addr to be collocated with the master.
>
> Now there are cases where i have multiple virtual IP's ( around 20 )
> and for failover time gets substantially increased in these cases.
> Based on the logs what i have observed is the IPaddr resources are
> moved sequentially. Is this really the case ? Also is it possible to
> specify that they can be added simultaneously, since none of them have
> any sort of corelation with the other ?
While pacemaker will of course initiate the moves one by one, it
shouldn't wait for one to be completed before initiating the next one,
unless you have ordering constraints between them or they are in a group
together.
> If it's sequential what is the reason behind it ?
>
>
> Thanks in advance.
>
> Regards
> Arjun
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