[ClusterLabs] PAF recover master after crash

Jehan-Guillaume de Rorthais jgdr at dalibo.com
Fri Jan 21 12:24:04 EST 2022


Le Fri, 21 Jan 2022 18:17:04 +0100,
damiano giuliani <damianogiuliani87 at gmail.com> a écrit :

> Ehy,
> 
> Take in account when a master node crash, you should re-allign the old
> master into the slave using pg_basebackup/pg_rewind and then rejoin the
> node into the cluster as a slave. This is the only way to avoid data
> corruption and be sure the new slave is correcly synchronised with the new
> master.

+1, thanks Damiano :)

Plus, see documentation:
https://clusterlabs.github.io/PAF/administration.html#failover

And more generaly: https://clusterlabs.github.io/PAF/documentation.html

> Diskless sbd need at least 3 nodes so i expect you are using classic sbd
> disk shared

+1



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