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Problem when ping/nslookup to DNS server from remote machine for Oracle RAC installation

edited Mar 24, 2013 8:43PM in Linux Operating System (MOSC) 1 commentAnswered
Hi all,

   I met a problem when setup DNS server for Oracle RAC two nodes.

   I have two machines, I called them is Server_A (node1) and Server_B (node2). OS is RHEL 5.8.

   Based on the link : 
   http://chotustuff.wordpress.com/2012/05/09/setup-dns-server-for-11gr2-rac/
  
   On the Server_A, I created 2 virtual machine - VM (used Oracle VirtualBox): 1 for DNS Server, 1 for Node1. I were setup DNS server and it worked fine. From Node1 VM, I can ping and nslookup to rac-scan on DNS Server.

   On the Server_B, I also created 1 virtual machine for Node2. But from Node2, I can't ping to DNS server and use nslookup to rac-scan ! Also, I can't ping to Node1.

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