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[Linux-cluster] Heartbeats using CMAN



Hello,

We are trying to setup a 2 node RHEL 6.5 oracle HA cluster in Active/passive mode.

Each node has 2 nics, one connected to outside  world and other private VLAN for heartbeat connections. 

The network admin here is claiming that if the external switch is down or cable is unplugged, how can the heartbeat function ,cause the private VLAN still sees the other node up , but it is actually down and not accessible to network.

Apologies if this naive question, but i am not a networking guy and just trying to figure out how to with this.

Sincerely,
Amjad

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