On Thu, Jul 5, 2018 at 1:42 PM, Michael Vorburger <vorbur...@redhat.com>
wrote:

> On Thu, Jul 5, 2018 at 7:39 PM, Tom Pantelis <tompante...@gmail.com>
> wrote:
>
>> On Thu, Jul 5, 2018 at 1:35 PM, Michael Vorburger <vorbur...@redhat.com>
>> wrote:
>>
>>> Tom, or Robert, or anyone else having hit this themselves,
>>>
>>> would you be able to remind us what in clustering can cause an ODL
>>> abrupt restart - System.exit() via bundleContext.getBundle(0).stop();
>>> from https://github.com/opendaylight/controller/blob/master/opend
>>> aylight/md-sal/sal-distributed-datastore/src/main/java/org/
>>> opendaylight/controller/cluster/akka/osgi/impl/Quarant
>>> inedMonitorActorPropsFactory.java ?
>>>
>>> I do vaguely an "inconsistent cluster" leading to this - clarify exactly
>>> what situation leads to that? Loss of leader? Loss of majority?
>>>
>>> asking for https://bugzilla.redhat.com/show_bug.cgi?id=1597304 ...
>>>
>>
>> That happens when akka quarantines a node - it can no longer rejoin the
>> majority cluster unless the actor system is restarted, hence we restart the
>> whole JVM.
>>
>
> and what can cause Akka to have to quarantine a node?
>


An unrecoverable failure state - see
https://livingston.io/understanding-akkas-quarantine-state/ for more
detail.
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