Cluster Flapping

tirpitz

Member
Jun 5, 2014
21
0
21
Hello

We had a cluster of 5 nodes for more than a year and had been working well. We upgraded nodes in the cluster to latest 3.4 one by one and got them back in cluster. Now since last 2 weeks, we have started to see a cluster flapping,

cpg_send_message failed: 9

and see an intermittent disconnect of nodes in the cluster and they come back to normal. But due to this behaviour we face issues with VZDump backup and changes to any VM configurations. We checked the network switches, all are working fine, and supporting multicast traffic.

any suggestions to check this issue would help us resolve this problem.
 

About

The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway.
We think our community is one of the best thanks to people like you!

Get your subscription!

The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Tens of thousands of happy customers have a Proxmox subscription. Get yours easily in our online shop.

Buy now!