[Linux-cluster] Creating two different cluster using same set of nodes.
queszama at yahoo.in
Wed Aug 1 17:26:21 UTC 2012
From: Heiko Nardmann <heiko.nardmann at itechnical.de>
To: linux-cluster at redhat.com
Sent: Wednesday, 1 August 2012 8:49 PM
Subject: Re: [Linux-cluster] Creating two different cluster using same set of nodes.
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 .
> Just one thought: did you intentionally decide against using GFS and
Nothing intentional here . Was initially trying to check whether it is possible to create two different clusters using same nodes and
chosen ext3 for this.
Is it not going to be a useful feature if we allow same nodes to be used in different clusters ?
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