Re: [ClusterLabs] pcs add node command is success but node is not configured to existing cluster

2021-07-28 Thread Strahil Nikolov via Users
Firewall issue ? Did you check on corosync level if all nodes reach each other ? Best Regards, Strahil Nikolov В сряда, 28 юли 2021 г., 16:32:51 ч. Гринуич+3, S Sathish S via Users написа:    Hi Team,   we are trying to add node03 to existing cluster after adding we could see

Re: [ClusterLabs] Antw: Re: [EXT] Re: Two node cluster without fencing and no split brain?

2021-07-28 Thread Strahil Nikolov via Users
So far, I never had a cluster with nodes directly connected to the same switches. Usually it's a nodeA -> switchA -> switchB -> nodeB and sometimes connectivity between switches goes down (for example a firewall rule). Best Regards, Strahil Nikolov В сряда, 28 юли 2021 г., 15:51:36 ч.

Re: [ClusterLabs] Antw: Re: [EXT] Re: Two node cluster without fencing and no split brain?

2021-07-28 Thread kgaillot
On Wed, 2021-07-28 at 08:51 -0400, john tillman wrote: > > Technically you could give one vote to one node and zero to the > > other. > > If they lose contact only the server with one vote would make > > quorum. > > The downside is that if the server with 1 vote goes down the entire > >

[ClusterLabs] pcs add node command is success but node is not configured to existing cluster

2021-07-28 Thread S Sathish S via Users
Hi Team, we are trying to add node03 to existing cluster after adding we could see only 2 nodes are configured and validated corosync log also "Waiting for all cluster members. Current votes: 2 expected_votes: 3" but in node3 pcs cluster status output it show 3 nodes are configured and no

Re: [ClusterLabs] Antw: Re: [EXT] Re: Two node cluster without fencing and no split brain?

2021-07-28 Thread john tillman
> Technically you could give one vote to one node and zero to the other.  > If they lose contact only the server with one vote would make quorum.  > The downside is that if the server with 1 vote goes down the entire > cluster comes to a halt. > > > That said, if both nodes can reach the same