[ClusterLabs] Two node cluster without fencing and no split brain?

Jehan-Guillaume de Rorthais jgdr at dalibo.com
Wed Jul 21 03:26:50 EDT 2021


On Wed, 21 Jul 2021 04:28:30 +0000 (UTC)
Strahil Nikolov via Users <users at clusterlabs.org> wrote:

> Hi,
> consider using a 3rd system as a Q disk. Also, you can use iscsi from that
> node as a SBD device, so you will have proper fencing .If you don't have a
> hardware watchdog device, you can use softdog kernel module for that. Best

Having 3 nodes for quorum AND watchdog (using softdog in last resort) is enough,
isn't it?
But yes, having a shared storage to add a SBD device is even better.


More information about the Users mailing list