[ClusterLabs] Pacemaker Fail Master-Master State

[İsmet BALAT]

I am not using fence. If I disable pacemaker,how node join cluster (for
first example in video - master/slave changing)? So I need a check script
for fault states :(

And thank you for reply

On 20 Feb 2021 Sat at 23:40 damiano giuliani <damianogiuliani87 at gmail.com>
wrote:

> Hi,
>
> Have you correcly configure a working fencing mechanism?without it you
> cant rely on a safe and consistent environment.
> My suggestion is to disable the autostart services (and so the autojoin
> into the cluster) on both nodes.
>  if there is a fault you have to investigate before you rejoin the old
> fault master node.
> Pacemaker (and paf if u are using it) as far i know,  doesnt support the
> autoheal of the old master, so you should resync or pg_rewind eveythime
> there is a fault.
>
>
>
> On Sat, 20 Feb 2021, 19:03 İsmet BALAT, <bcalbatros at gmail.com> wrote:
>
>> I am using Pacemaker with Centos 8 and Postgresql 12. Failover
>> master/slave states successfully run. But if all nodes are masters,
>> pacemaker can't repair its unlikely send command 'pcs resources cleanup'.
>> Wheras I set 60s in resource config. How can I fix it?
>>
>> StackOverFlow link:
>> https://stackoverflow.com/questions/66292304/pacemaker-postgresql-master-master-state
>>
>> Thanks
>>
>> İsmet BALAT
>>
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