Prerequisites
– Setup Minimal CentOS 5
– be sure that both nodes can resolve correctly names (either through dns or /etc/hosts)
– yum update (as usual … 
)
– yum install heartbeat drbd kmod-drbd (available in the extras repository)
Current situation :
- node1.yourdomain.org 172.29.156.20/24 , source disc /dev/sdb that will be replicated
- node2.yourdomain.org 172.29.156.21/24 , target disc /dev/sdb
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