I have statefulset which is deployed accross 2 different nodepools in AKS. I have total of 5 replicas, 2 on nodepool1 and 3 on nodepool2. I need only 3 to be on nodepool2 and scale it down to just 3 replicas. Is it possible to do? I tried manually to cordon and drain ones on nodepool1 but statefulset refuses to scale down since pod0 is on nodepool1 and refuses to drained from there.
2
Label nodes in your node pools:
NodePool1: nodepool=nodepool1
NodePool2: nodepool=nodepool2
Update the StatefulSet to add affinity to force Pods to run only on nodepool2.
spec:
template:
spec:
affinity:
nodeAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
nodeSelectorTerms:
- matchExpressions:
- key: nodepool
operator: In
values:
- nodepool2
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