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Re: Question about Galera "pc.recovery" feature

 

Hello,

pc.recovery does not support graceful shutdowns yet.
please check the following issue:
https://github.com/codership/galera/issues/283

2015-06-05 2:45 GMT+02:00 Marco Nicosia <mnicosia@xxxxxxxxxx>:

> Hi all!
>
> We recently discovered the configuration
> wsrep_provider_options="pc.recovery=TRUE" and set about to set this
> configuration, as we'd like to avoid unnecessary boostrapping whenever
> possible. We were further surprised to discover that this feature had
> been enabled by default.
>
> But we were frustrated in our attempts to trigger this feature to actually
> observe it in action.
>
> I understand that the feature is intended to recover from full cluster
> crashes _such as_ a power outage, but we were unable to come up with a
> scenario in which we could interrupt the cluster and watch it recover
> automatically. This included deploying to AWS and setting all three nodes
> to 'stop' then 'start.' In each instance, we had to manually bootstrap.
>
> Am I misunderstanding the feature, or the conditions under which we can
> trigger it?
>
> --
>   Marco Nicosia
>   Product Manager
>   Pivotal Software, Inc.
>   mnicosia@xxxxxxxxxx
>   c: 650-796-2948
>
>
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