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Previous usage of finalizer handlers was unreliable in the case of flipping Kubernetes Nodes ready status. Local SSD disks that could be attached to Redpanda Pod prevents rescheduling as the Persistent Volume affinity bounds Pod to only one Node. In case of Kubernetes Node coming back to live Cluster controller could already delete Redpanda data (PVC deletion and Redpanda decommissioning). If particular Redpanda Node would host single replica partition, then it would be a data lost. If the majority of Redpanda process would run in unstable Kubernetes Nodes, then Redpanda operator could break whole cluster by losing Raft quorum. Reference #112 redpanda-data/redpanda#6942
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