[Linux-cluster] Heartbeats using CMAN

emmanuel segura emi2fast at gmail.com
Thu May 29 11:48:50 UTC 2014

in a normal setup, we got two switches, one for public and other for
private network, if you have a problem with public network, your cluster
nodes can still comunicate with each others, using the private switch

2014-05-29 13:23 GMT+02:00 Amjad Syed <amjadcsu at gmail.com>:

> 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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esta es mi vida e me la vivo hasta que dios quiera
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