BZ2053605: Add instructions on how to scale up AWS nodes

[xenolinux]

Bug
Preview
OCP version: 4.6+
QE contact @sunilcio

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[sunilcio]

@gpei hi, could you help check if your team can review this?

[gpei]

@sunilcio hi, this should be scaling up via machineset, @sunzhaohua2 could you help to check this?

[sunzhaohua2]

This is about master instancetype change, we didn't test this before, I can have a try tomorrow and let etcd team help to check, I feel this is not supported.

[sunzhaohua2]

@xenolinux I added a comment in https://bugzilla.redhat.com/show_bug.cgi?id=2053605#c7, tested with worker machine and master machine, this couldn't change instance type.

[xenolinux]

@sunzhaohua2 Does t

@xenolinux I added a comment in https://bugzilla.redhat.com/show_bug.cgi?id=2053605#c7, tested with worker machine and master machine, this couldn't change instance type.

@sunzhaohua2 Does this mean that this change is unsupported? I am in doubt about whether we can add these steps to our documentation?

[sunzhaohua2]

@xenolinux sorry for the late reply. Yes, I think this is not supported, at least only this change in the doc is unsupported. We will support this feature in 4.12, this is epic https://issues.redhat.com/browse/OCPCLOUD-1372, this is enhancements doc pr openshift/enhancements#1008

[xenolinux]

#44431 (comment) closing this PR since this change is unsupported in the docs.