On Mon, Oct 12, 2020 at 9:47 AM Diego Zuccato <diego.zuccato@xxxxxxxx> wrote:
Il 10/10/20 16:53, Alex K ha scritto:
> Reading from the docs i see that this is not recommended?
IIUC the risk of having partially-unsynced data is is too high.
DB replication is not easy to configure because it's hard to do well,
even active/passive.
But I can tell you that a 3-node mariadb (galera) cluster is not hard to
setup. Just follow one of the tutorials. It's nearly as easy as setting
up a replica3 gluster volume :)
And "guarantees" consinstency in the DB data.
I see. Since I will not have only mariadb, then I have to setup the same replication for postgresql and later influxdb, which adds into the complexity.
For cluster management I will be using pacemaker/corosync.
Thanx for your feedback
--
Diego Zuccato
DIFA - Dip. di Fisica e Astronomia
Servizi Informatici
Alma Mater Studiorum - Università di Bologna
V.le Berti-Pichat 6/2 - 40127 Bologna - Italy
tel.: +39 051 20 95786
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