[Gluster-users] Glusterfs as databse store

[Strahil Nikolov]

Hi Alex,

I can share that oVirt is using Gluster as a HCI solution and many people are hosting DBs in their Virtual Machines.Yet, oVirt bypasses any file system caches and uses Direct I/O in order to ensure consistency.

As you will be using pacemaker, drbd is a viable solution that can be controlled easily.

Best Regards,
Strahil Nikolov







В понеделник, 12 октомври 2020 г., 12:12:18 Гринуич+3, Alex K <rightkicktech at gmail.com> написа: 







On Mon, Oct 12, 2020 at 9:47 AM Diego Zuccato <diego.zuccato at unibo.it> 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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