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Re: [Linux-cluster] Is there any backup heartbeat channel





2009/8/12 Hakan VELIOGLU <veliogluh itu edu tr>
Hi list,

I am trying a two node cluster with RH 5.3 on Sun X4150 hardware. I use a private network for heartbeat channel and fence_ipmilan for fencing the two node. When I unplug the heartbeat channel cable, both cluster nodes shut themselves down with fence_ipmilan.

I think the single point of failure for this design is private heartbeat channel. I made a search on the web and there seems no backup heartbeat channel (like LVS) on cluster suite.

How can I overcome this single point of failure problem?

One solution is I think, bonding heartbeat interfaces, however I use all available interfaces and there is no extra interface for private heartbeat channel. For this reason this solution doesn't suit me.
Why do you need a private heartbeat channel? Configure two network interfaces in a bonding one, connect the two of them to two different switches (with a redundant interconnection), make sure switches let multicast traffic through. Configure bonding interface IP to fit your needs.

Greetings,
Juanra

Anybody has an idea to overcome heartbeat channel failure problem.


Hakan Velio─člu


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