Cluster hardware problem

Hi Team,

I am running proxmox 3.0 in a cluster of 3 nodes.

One of the nodes and IBM 3650 model 7979 died motherboard issues, so I replaced it with another machine same model.

I just moved the HDD over as they were raid 5.

The box boots up and I get the proxmox login on the local console but its not reply to ping or seen by the other nodes.

I had nic bonding on.

Does anyone know what I am doing wrong pls?

Cheers,

raj