PowerFlex 4.X: Upgrade Resource Group Stuck at In Progress
Summary: Resource Groups (RG) upgrade with a Kubernetes Management VM (MVM) is stuck at "In Progress" and does not complete.
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Symptoms
The output for kubectl get nodes shows that the nodes are in a Ready status, but not yet uncondoned, that is, in Ready,SchedulingDisabled status:
The upgrade job runs endlessly, looking for a "ready" MVM:
thindeployer deployment.log INFO [2025-04-11T16:37:21.239167] 13316: type/virtualmachine.rb:543:in `block in svm_ready?': b6d56d39-959f-44ad-a348-8103baae71eb: Checking if mvm is ready for 1.1.1.1 ... INFO [2025-04-11T16:38:49.736277] 13316: type/virtualmachine.rb:543:in `block in svm_ready?': b6d56d39-959f-44ad-a348-8103baae71eb: Checking if mvm is ready for 1.1.1.1 ...
Impact
Upgrade of the RG never finishes.
Cause
During the upgrade job, the code attempts to cordon the MVM and evacuates all pods before upgrading. The job gets stuck and never completes the uncordon operation for the MVM to become READY.
Resolution
Manually uncordon the problematic MVM
SSH to any of the other two MVMs and run the uncordon command for the problematic MVM:
# kubectl uncordon <MVM Name>
After manually running the uncordon command, the RG upgrade finishes
Impacted version
PowerFlex 4.x
Fixed version
PowerFlex 4.5.2
Article Properties
Article Number: 000378064
Article Type: Solution
Last Modified: 14 Nov 2025
Version: 2
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