[ClusterLabs] Antw: [EXT] Cluster timeout

[FLORAC Thierry]

>>> FLORAC Thierry <thierry.florac at onf.fr> schrieb am 09.03.2022 um 11:46 in
Nachricht
<PR2P264MB076751671FC57F33B995F851F50A9 at PR2P264MB0767.FRAP264.PROD.OUTLOOK.COM>:

> Hi,
>
> I manage an active/passive PostgreSQL cluster using DRBD, LVM, Pacemaker and

> Corosync on a Debian GNU/Linux operating system.
> Everything is OK, but my platform seems to be quite "sensitive" to small
> network timeouts which are generating a cluster migration start from active

> to passive node; generally, the process doesn't go through to the end: as
> soon as the connection is back again, the migration is cancelled and the
> database restarts!

Could it be you run without fencing? Maybe show some logs!

Logs are quite verbose and not very easy to understand...
What log would you need?

> That should be OK but on the application side, some database connections (on

> a Java WildFly server) can become "invalid"! So I would like to avoid these

> migrations when this kind of small timeout occurs...
>
> So my question is: which cluster settings can I change to increase the
> timeout before starting a cluster migration?
>
> Best regards,
> Thierry
>
>
>
> Thierry Florac
> Resp. Pôle Architecture Applicative et Mobile
> DSI ‑ Dépt. Études et Solutions Tranverses
> 2, avenue de Saint‑Mandé ‑ 75570 Paris cedex 12
> Tél : 01 40 19 59 64
> www.onf.fr <https://www.onf.f<https://www.onf.fr>r

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.clusterlabs.org/pipermail/users/attachments/20220309/cecb91eb/attachment.htm>