When we create worker stack on AWS ( Using ClodFormation template ) , During worker creation when worker stack create , it will only provisoon 1 worker machine and its don't defined the replicaset of worker.Can we add as the IMPORTANT section in doc as below >


"When we are usinng CloudForamation for the master machine , it will provisioned all 3 master with single stack but while using CloudFormation template to deploy the worker machines , You need to create number of stack as per your requiment ( defined intially in Install-config.yaml file ) and each stack will only provisioned one machine at single time"


$ aws cloudformation create-stack --stack-name <name> --template-body file://<template>.yaml --parameters file://<parameters>.json

You nee to chnage stack name each time , to provisione the new worker machines.

    4.10.X

Refer doc >

https://docs.openshift.com/container-platform/4.16/installing/installing_aws/upi/installing-aws-user-infra.html#installation-cloudformation-worker_installing-aws-user-infra     
Below Section add as IMPORTANT IN RED HAT DOC.

"When we are usinng CloudForamation for the master machine , it will provisioned all 3 master with single stack but while using CloudFormation template to deploy the worker machines , You need to create number of stack as per your requiment ( defined intially in Install-config.yaml file ) and each stack will only provisioned one machine at single time"

$ aws cloudformation create-stack --stack-name <name> --template-body file://<template>.yaml --parameters file://<parameters>.json

You nee to chnage stack name each time , to provisione the new worker machines.