[ClusterLabs] Corosync rrp or bonding

[Jan Friesse]

Adam,

> What is more recommended for providing corosync/pacemaker link redundancy?
> 
>  >
> a)    Configure two rings and rrp within corosync, if yes:
> 
> -       can we use two separate VLANs connected to two separate physical
> NIC for the heartbeat connections

Yes

> 
> -       do they have to be the same networks

No, it actually must be different one

> 
> -       which mode should I use for a two node cluster passive or active

Passive. Active doesn't make progress till timeout when one link is 
disconnected

> 
> b)    bonding – if yes, why ?
> 

B is correct. RRP is just seriously broken - that is the reason why it 
was replaced in Corosync 3. When you have a bonding capable HW, use it.

Regards,
   Honza

> 
> 
> Thank you !
> 
> 
> 
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