Wednesday, September 7, 2016

How to stop and start the hacmp cluster in aix?

How to stop and start the hacmp cluster in aix?


1. Ground work:

/usr/es/sbin/clu*/utiI/clRGinfo      --> To check the RG online status
lssrc -ls clstrmgrES                          --> To check the cluster manager is stable on both nodes
cat /var/hacmp/clverify/clverify.log  --> To check and confirm the log file has no errors.


Take a snapshot of the cluster

smitty hacmp
            extended configuration
                        snapshot configuration
                                    Create snapshot of the cluster configuration
                                                cluster snapshot name / Cluster snapshot description

The above will create .odm and .info file.
Take all the basic outputs

2. Stop the cluster services

smitty hacmp
            system management (C-Spoc)
                        Stop cluster services
                                    (Provide necessary details) stop now / provide node names/  Bring RG offline.

3. Validation

./clRGinfo                                 --> To check the RG online status
lssrc -ls clstrmgrES                   --> To check the cluster manager is stable on both nodes


4. Start cluster services

smitty hacmp
            system management (C-Spoc)
                        Start cluster services
                                    (Provide necessary details) start now / provide node names/  Choose Automatic for manage RG


5. Validation

/clRGinfo      --> To check the RG online status
lssrc -ls clstrmgrES                   --> To check the cluster manager is stable on both nodes
cat /tmp/hacmp.out                --> To check the HA services and RG status.