Once the cluster is created, we need to add the participating nodes to the cluster using the ccs command as shown below.įirst, add the first node rh1 to the cluster as shown below.
Initial Plain nf FileĪfter creating the cluster, the nf file will look like the following: ~]# cat /etc/cluster/nf 1 root root 188 Sep 26 17:40 /etc/cluster/nfĪlso keep in mind that we are running these commands only from one node on the cluster and we are not yet ready to propagate the changes to the other node on the cluster. If the file already exists, it will replace the existing nf with the newly created ~]# ccs -h -createcluster mycluster
The following command will create the cluster configuration file /etc/cluster/nf. Passwd: all authentication tokens updated successfully.Īlso, If you are running iptables firewall, keep in mind that you need to have appropriate firewall rules on both the nodes to be able to talk to each other.įrom the active node, please run the below command to create a new cluster. You also need to assign a password for the RICCI on both the nodes. Next, start ricci service on both the nodes. If you don’t have these packages install them using yum command.
The following are the high-level steps involved in configuring Linux cluster on Redhat or CentOS: This tutorials explains in detail on how to create and configure two node redhat cluster using command line utilities. In an active-standby Linux cluster configuration, all the critical services including IP, filesystem will failover from one node to another node in the cluster.
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