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.
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