Database - RAC/Scalability (MOSC)

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network assignment for rac

edited Nov 14, 2014 10:01AM in Database - RAC/Scalability (MOSC) 5 commentsAnswered

Hi, I am doing a fresh install of a rac 11 instance on 2 servers; each server has OVS 3.3.1 with 3 nics. Inside each server there is a vm with oul 6.5 dedicated for rac; the vm are dedicated to run in a single server and high availability is planning to rely on rac, not on xen infrastructure (in my idea if a host fail, there will be no machine recovery on the other host, but the applications should continue to run thanks with rac features).

In VM manager I used 1 net for server management + cluster heartbeat, another net for live migration, and the last net for vm. So my doubt arise about rac needings of 2 separate networks inside vm: is better to use vlans on single nic to give 2 nets to the vms or in this simple environment is possible also to use live migration nic for vm (in this case this nic has the double scope of live migration and vm) avoiding vlan overhead and keeping traffic physically separated?

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