How to start the Cluster in AIX Operating System

First of all we check the resource status in AIX OS clutering via below command.
Step1 - for checking resource group on which node

/usr/es/sbin/cluster/utilities/clRGinfo


test again

-----------------------------------------------------------------------------
Group Name     State                            Node
-----------------------------------------------------------------------------
DBRG           OFFLINE                      dbnode2
                      ONLINE                        dbnode1


http://www.unixmantra.com/2013/04/aix-powerha-hacmp-commands.html

Step2 - How to list the cluster manager state
lssrc -ls clstrmgrES

>> Cluster manager states

ST_NOT_CONFIGURED Node never started
ST_INIT Node configured but down - not  running
ST_STABLE Node up and running
ST_RP_RUNNING
ST_JOINING
ST_BARRIER
ST_CBARRIER
ST_VOTING
ST_RP_FAILED Node with event error

     
if ST_INIT Node configured but down - not  running then run below command.

step3 - run on down node.

smitty clstart


step4 - move the cluster from node 1 to node 2

 /usr/es/sbin/cluster/utilities/clRGmove -g DBRG -n dbnode2 -m

step5 - Confirm if the steps are successful

/usr/es/sbin/cluster/utilities/clRGinfo