[Linux-cluster] Creating two different cluster using same set of nodes.

Heiko Nardmann heiko.nardmann at itechnical.de
Wed Aug 1 15:19:35 UTC 2012


Am 01.08.2012 16:54, schrieb Zama Ques:
> Thanks Digimer for clarifying....
>
> I am trying to create the following setup or rather will say I have 
> been asked to do so .
>
> =====
> Cluster Name: ClusterA
>
> Node1: system1.example.com   Priority:1 in Failover Domain
> Node2: system2.example.com   Priority:2  in Failover Domain
>
> File System Resource : /data1 - An ext3 file system
>
> =====
>
> Cluster Name : ClusterB
>
> Node1: system1.example.com   Priority:2  in Failover Domain
> Node2: system2.example.com   Priority:1  in Failover Domain
>
> File System Resource : /data2 - An ext3 file system
> ========================================================
>
> What I will achieve with this scenario , is that both the nodes will 
> always be in active mode as one node is having  higher priority in 
> Failover Domain  in one cluster and the other node has higher priority 
> in the other  cluster as shown above. This means that  both the file 
> system resource will always be available in either of the nodes.  And 
>  if  a node goes down  ' suppose system1.example.com ' which is active 
> in *'ClusterA*' , cluster ,  the file system resource   /data1 on the 
> cluster will be mounted on system2.example.com which is already having 
> /data2  mounted on *'ClusterB' *
>
> So , based on the above architecture , we are achieving the following
> 1) Both the mount points will be always available and
> 2) Both the nodes will be utilized as both the nodes will be in active 
> mode  in either of the cluster  .
>
> Will be great if you have some inputs to achieve the same .
>
> Thanks
> Zaman
> ------------------------------------------------------------------------
> **

Just one thought: did you intentionally decide against using GFS and 
favour ext3?

Regards,

     Heiko

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