[ClusterLabs] dropping ssh connection on failover

Klaus Wenninger kwenning at redhat.com
Fri Apr 15 08:46:51 EDT 2016


On 04/15/2016 02:22 PM, Digimer wrote:
> On 14/04/16 05:38 PM, Dimitri Maziuk wrote:
>> Hi all,
>>
>> I've an up to date centos 7 w/ pcs + corosync + pacemaker active-passive
>> cluster running drbd (8.4) and apache. It's all working fine except when
>> I trigger a fail-over, my ssh connection to active (being demoted) node
>> gets cut.
>>
>> Am I missing something or is this an expected behaviour of the new and
>> improved ip RA and/or ip command?
>>
>> TIA,
> I don't believe it is possible to maintain TCP connections in a
> failover. You could create a VM and ssh into that, and live-migrate the
> VM back and forth but that is someone more complicated.
>
Which IP-address did you use to ssh to that box? One controlled
by pacemaker and possibly being migrated or a fixed one assigned
to that box?

Klaus




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