Comments on RedHat Cluster Suite And Conga - Linux Clustering

RedHat Cluster Suite And Conga - Linux Clustering This how to describes an easy step by step installation of the RedHat Cluster Suite on three CentOS nodes and prepare them as nodes of a cluster. You will also install the Management suite which is web based and is known as Conga.

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By: saorabh
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hear for each 3 nodes we have 3 external ips, if the 3 nodes to configure with one public ip then how will be the configuration steps, can u pls help me out , thanks saorabh

By: Anonymous
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You have "yum install ricci" for both the cluster nodes and the management node.  Did you mean to do "yum install luci" for the management node?  Thanks for the article.

By: Anonymous
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sir we have also configure 2 node cluster and both are working fine.
we have do manually switch over and shutdown the one node then check the service is switch over to other node.

But we have one problem whenever one node network fail ya down then service is not switch over to other node.

Please suggest to me how to configure network fail-over configuration. 

we have use RHEL 6 6.3.
Both server is HP Proliant g8 server and HP P2000 storage
luci configure in one node1 not use to another system ya server.
cluster server name :  1 ) node1  2 ) node2 

one doubt sir for luci configure required one another system. can i use in any one node server.

Thanks a lot sir for helping ..

By:
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If you're talking about the non-heartbeat network failing but not failing over, I noticed that to.  I put in a metric in the quorum disk settings to ping the default gateway. If it cannot ping, then failover will occur.

By: ben
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The heuristics for quorumd are helpful for this reason.  Thanks for the tip on the ping.  I have it pinging the default gateway as my heuristic.

 I also noticed that when I put in a cluster IP and put that as the first resource, and make every resource a child resource of the cluster IP, as soon as I unplug the public IP cable, everything fails over immediately.  If you have any resources not dependent on the cluster IP, then the ping heuristic is very handy

 

 

By: Anonymous
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HI,

IF management node will fail.is the cluster will continue or not?

By: Kory
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If you have a two node cluster Red Hat 5  ricci, luci installed and you need to bring both server offline to move to a different datacenter, what is the proper way to do this without failover to node 2?  Node 1 has all the resouces services and Node 2 has no resources associated to it.   Would you shutdown cluster services on node 2 then shutdown and power off node 2.  Then  node 1 shutdown cluster services and then shutdown and power off node 1 (I don't know how fencing would respond to this).  Then once moved to new location (Networking, IP's everything is configured the same no vlan changes either, identical)  Bring up node 1 first than node 2;

 

Current state

root@cmax3:/etc/cluster # clustat

Cluster Status for cmax-cluster @ Mon Sep 17 16:18:57 2018

Member Status: Quorate

 

 Member Name                             ID   Status

 ------ ----                             ---- ------

 cmax-cluster-node1                          1 Online, Local, rgmanager

 cmax-cluster-node2                          2 Online, rgmanager

 

 Service Name                   Owner (Last)                   State

 ------- ----                   ----- ------                   -----

 service:LVM                    cmax-cluster-node1             started

 service:NFS                    cmax-cluster-node1             started

 service:Network                cmax-cluster-node1             started

 service:chartmax               cmax-cluster-node1             started

root@cmax3:/etc/cluster #